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TRB · Botany

TRB Botany 2009

2009 · 150 questions · First 10 Solutions Free
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Q1 mcq
Who was the Viceroy of India, when the Rowlatt Act was passed?
a.
Lord Irwin
b.
Lord Chelmsford Correct Answer
c.
Lord Wavell
d.
Lord Wellington
Step-by-Step AI Explanation
Verified Method
The Rowlatt Act was passed in 1919, when Lord Chelmsford was Viceroy of India. Lord Irwin succeeded him later in 1926.
Q2 mcq
Which one of the following is the softest?
a.
Sodium
b.
Aluminium
c.
Iron
d.
Lithium Correct Answer
Step-by-Step AI Explanation
Verified Method
Among the given metals, lithium is the softest alkali metal. Sodium is also soft, but lithium is softer than sodium.
Q3 mcq
As a non-member who can participate in the proceedings of either House of Parliament?
a.
Vice-President
b.
Chief Justice
c.
Attorney General Correct Answer
d.
Chief Election Commissioner
Step-by-Step AI Explanation
Verified Method
The Attorney General of India has the right to participate in the proceedings of either House of Parliament, though without voting rights.
Q4 mcq
Which is the river on which Indira Sagar Dam is planned to be constructed?
a.
Mahanadi
b.
Godavari
c.
Krishna
d.
Narmada Correct Answer
Step-by-Step AI Explanation
Verified Method
Indira Sagar Dam is a major dam project on the Narmada River in Madhya Pradesh.
Q5 mcq
The first astronomer who gave the idea, 'The earth rotates on its axis', is
a.
Bhaskara
b.
Aryabhatta Correct Answer
c.
Varahamihira
d.
Kalpana Chawla
Step-by-Step AI Explanation
Verified Method
Aryabhatta was among the earliest astronomers to state that the earth rotates on its axis.
Q6 mcq
Which one of the following angles cannot be constructed using an unmarked ruler and compass only?
a.
75°
b.
90°
c.
50° Correct Answer
d.
22 1/2°
Step-by-Step AI Explanation
Verified Method
Using ruler and compass, standard constructible angles include 90°, 75° and 22.5°; 50° is not directly constructible by the usual compass-and-straightedge constructions.
Q7 mcq
For a Frequency Polygon, the points are plotted against
a.
mid-point of the class interval vs frequency Correct Answer
b.
lower limit of the class interval vs frequency
c.
upper limit of the class interval vs frequency
d.
real limit of the class interval vs frequency
Step-by-Step AI Explanation
Verified Method
A frequency polygon is drawn by plotting class mid-points on the x-axis against their frequencies on the y-axis and joining the points with straight lines.
Q8 mcq
AICTE was established in
a.
November, 1945
b.
November, 1955
c.
November, 1985 Correct Answer
d.
November, 1975
Step-by-Step AI Explanation
Verified Method
AICTE was established in November 1985 as the statutory national-level council for technical education.
Q9 mcq
One of the main publications of John Dewey is
a.
Secrets of Childhood
b.
Education Today Correct Answer
c.
Education of Man
d.
The Social Contract
Step-by-Step AI Explanation
Verified Method
John Dewey is associated with works and ideas in progressive education; among the options, Education Today is attributed to him, while The Social Contract is by Rousseau.
Q10 mcq
According to David Ausubel, 'Verbal Learning' is
a.
learning a new language
b.
oral practice
c.
understanding verbal information Correct Answer
d.
passive learning experience
Step-by-Step AI Explanation
Verified Method
Ausubel emphasized meaningful learning through the understanding and organization of verbal information, not rote oral repetition or passive reception.
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Q11 mcq
The Southern Regional Office of UGC is in
a.
Hyderabad
b.
Bangalore
c.
Chennai
d.
Mumbai
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Q12 mcq
National Population Policy was evolved in the year
a.
1976
b.
1979
c.
1986
d.
1977
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Q13 mcq
According to Abraham Maslow, 'Self-Actualisation' in the hierarchy is
a.
first step
b.
final step
c.
third step
d.
fourth step.
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Q14 mcq
Who is the author of 'Emile'?
a.
Dewey
b.
Bertrand Russell
c.
Froebel
d.
Rousseau.
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Q15 mcq
The university that has no affiliated colleges is
a.
Madras University
b.
Madurai Kamaraj University
c.
Thanjavur Tamil University
d.
Manonmanium Sundaranar University.
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Q16 mcq
Human Rights Day is
a.
December 10
b.
December 7
c.
December 26
d.
July 17.
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Q17 mcq
Which one of the following models is not on curriculum development?
a.
The Tylor model
b.
The Ausubel's model
c.
The Taba model
d.
The Hunkin's model.
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Q18 mcq
The chief objective of pre-primary education is to promote ..................... of the child.
a.
physical development
b.
mental development
c.
social development
d.
overall development.
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Q19 mcq
If the teacher finds in learner's activities something new or original, then the child is supposed to be
a.
intelligent
b.
creative
c.
critical
d.
motivated.
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Q20 mcq
Which one of the following is not a learning domain?
a.
Cognitive domain
b.
Psychomotor domain
c.
Physiological domain
d.
Affective domain.
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Q21 mcq
The technique for analysing the related genes in a DNA restriction fragment is called
a.
Northern blotting
b.
Western blotting
c.
PCR
d.
Southern blotting.
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Q22 mcq
In protoplast culture ................ is used for the surface sterilization.
a.
Mannitol
b.
Sorbitol
c.
Sodium hypochlorite
d.
Polyethylene glycol.
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Q23 mcq 1 mark
Scientific name for white button mushroom is
a.
Volvariella displasta
b.
Volvariella valvacea
c.
Pleurotus sajor-caju
d.
Agaricus bisporus
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Q24 mcq 1 mark
Which one of the following is used as SCP?
a.
Spirogyra
b.
Spirulina
c.
Cosmarium
d.
Frankia
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Q25 mcq 1 mark
Another name for introns is
a.
Muton
b.
Split genes
c.
Recon
d.
Cistron
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Q26 mcq 1 mark
ICGEB refers to
a.
Indian Council for Genetic Engineering & Biotechnology
b.
Indian Centre for Genetics and Environment Biology
c.
Indian Centre for Genetic Engineering and Biotechnology
d.
International Centre for Genetic Engineering and Biotechnology
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Q27 mcq 1 mark
Overgrazing, a disturbing phenomenon is categorised under ............... factor.
a.
Edaphic
b.
Bionic
c.
Endemic
d.
Biotic
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Q28 mcq 1 mark
Ecological pyramids are otherwise called as
a.
Eltonian pyramids
b.
Egyptian pyramids
c.
Modern pyramids
d.
Ancient pyramids
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Q29 mcq 1 mark
Lead toxicity damages
a.
kidney cells
b.
muscle tissue
c.
brain cells
d.
bone cells
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Q30 mcq 1 mark
Which one of the following is an indicator of atmospheric pollution?
a.
Yeast
b.
Ixora
c.
Lichens
d.
Fungi
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Q31 mcq 1 mark
Vivipary is a phenomenon seen in
a.
Hydrophytes
b.
Xerophytes
c.
Mesophytes
d.
Halophytes
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Q32 mcq
Match and find the sequence of answers from the following codes: 1. Creation of a new forest 2. Removal of forests 3. Creating an already degraded forest 4. Growing timber trees
a.
1 - Q, 2 - R, 3 - S, 4 - P
b.
1 - R, 2 - Q, 3 - P, 4 - S
c.
1 - P, 2 - Q, 3 - R, 4 - S
d.
1 - S, 2 - R, 3 - Q, 4 - P
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Q33 mcq
CAM cycle occurs in plants belonging to the family
a.
Poaceae
b.
Cyperaceae
c.
Orchidaceae
d.
Crassulaceae
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Q34 mcq
Zeatin is
a.
Auxin
b.
Gibberellin
c.
Cytokinin
d.
Protein
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Q35 mcq
Cytochromes are a group of
a.
Coenzymes
b.
Lipoproteins
c.
Hemoproteins
d.
Glycoproteins
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Q36 mcq
GMP means
a.
Genetically Mutilated Plants
b.
Guanosine Monophosphate
c.
Gross Monophosphates
d.
Guanine Mannose Potassium
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Q37 mcq
Gene mutations are otherwise known as
a.
Deletions
b.
Point mutations
c.
Inversions
d.
Induced mutations
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Q38 mcq
Sucrose and Maltose are classified under
a.
Disaccharides
b.
Monosaccharides
c.
Polysaccharides
d.
Trisaccharides
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Q39 mcq
Padma, Ratna, Jamuna are important varieties of ............ developed in India.
a.
Wheat
b.
Oats
c.
Sugarcane
d.
Rice
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Q40 mcq
Vavilov, a Russian, is associated with
a.
Rice research
b.
Wheat research
c.
Sugarcane research
d.
Groundnut research
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Q41 mcq
A process in which a new variety establishes to a new environment is known as
a.
Selection
b.
Introduction
c.
Acclimatisation
d.
Mass selection
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Q42 mcq
Groundnut has its origin from
a.
India
b.
Brazil
c.
Manila
d.
Thailand
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Q43 mcq
Plastid inheritance in plants is categorised under
a.
Polygenic inheritance
b.
Extranuclear inheritance
c.
Mitochondrial inheritance
d.
Dominant epistasis
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Q44 mcq
Fluid Mosaic Model of plasma membrane was proposed by
a.
Robertson
b.
Schleiden
c.
Singer and Nicolson
d.
Danielli
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Q45 mcq
B-chromosomes are found in
a.
Oryza sp.
b.
Triticum sp.
c.
Tradescantia sp.
d.
Ixora sp.
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Q46 mcq
Blending inheritance is otherwise termed as
a.
Law of Dominance
b.
Law of Segregation
c.
Incomplete dominance
d.
Recessive characters
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Q47 mcq
Spherical bodies of endoplasmic reticulum which synthesise and store lipids are called as
a.
Sphaerosomes
b.
Centrosomes
c.
Ribosomes
d.
Nucleosomes
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Q48 mcq
Polytene chromosomes were discovered by
a.
Morgan
b.
Muller
c.
Fontana
d.
Balbiani
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Q49 mcq
Presence of phloem wedges in the xylem which are anomalous structures observed in
a.
Boerhaavia
b.
Bignonia
c.
Dracaena
d.
Mirabilis
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Q50 mcq
The outermost layer of endosperm that contains protein bodies is called
a.
Albuminous cells
b.
Amyloplast
c.
Aleurone layer
d.
Aliform layer
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Q51 mcq
Trichoblasts are found in
a.
the epidermal layer of roots
b.
the epidermal layer of leaves
c.
the cortex of stem
d.
the cortex of root
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Q52 mcq
A monocot leaf is otherwise called as
a.
Dorsiventral leaf
b.
Isobilateral leaf
c.
Primordial leaf
d.
Scale leaf
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Q53 mcq
Pulvinus is
a.
a kind of fruit
b.
an enlargement of the petiole of a leaf
c.
a structure found in roots
d.
a type of flower
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Q54 mcq
The term 'Rhytidome' means, the tissue
a.
consisting of cortical and phloem tissue of outer bark
b.
that is produced by vascular cambium
c.
tissue found next to endodermis
d.
consisting of xylem.
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Q55 mcq
Artabotrys odoratissima belongs to the family
a.
Asclepiadaceae
b.
Annonaceae
c.
Asteraceae
d.
Poaceae.
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Q56 mcq
Obdiplostemonous stamen is a special feature of the family
a.
Orchidaceae
b.
Asteraceae
c.
Sapotaceae
d.
Rutaceae.
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Q57 mcq
'Nomen nudum' is a name
a.
published with a new name
b.
published with identical generic and specific name
c.
published without a description (or) reference
d.
published with a generic name.
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Q58 mcq
The term 'Polygamous' refers to
a.
unisexual flowers found in different plants
b.
unisexual flowers found in the same plant
c.
unisexual & bisexual flowers found in the same plant
d.
unisexual & bisexual flowers found in different plants.
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Q59 mcq
A type of fossil which shows a well preserved condition is called
a.
compression
b.
impression
c.
cast
d.
petrifaction.
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Q60 mcq
The term 'Taxonomy' was first introduced to the Plant Science in 1813 by
a.
A. P. De Candolle
b.
Adolf Meyer
c.
Linnaeus
d.
Cronquist.
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Q61 mcq
Valecular and carnal canals are observed in
a.
Adiantum
b.
Lycopodium
c.
Selaginella
d.
Equisetum
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Q62 mcq
Leafy portion of which pteridophyte is edible and is called as 'Aaraakeerai'?
a.
Adiantum
b.
Marsilea
c.
Lycopodium
d.
Selaginella.
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Q63 mcq
Mucilage cavities of Anthoceros show the algae called
a.
Red Algae
b.
Brown Algae
c.
Green Algae
d.
Blue green Algae.
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Q64 mcq
A bryophyte which is commonly known as 'Horn Wort' is
a.
Riccia
b.
Marchantia
c.
Anthoceros
d.
Polytrichum
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Q65 mcq
Tikka disease of groundnut is caused by
a.
Pythium
b.
Aspergillus
c.
Puccinia
d.
Cercospora
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Q66 mcq
Citrus canker is a / an
a.
bacterial disease
b.
viral disease
c.
mycoplasmal disease
d.
algal disease
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Q67 mcq
The phenomenon where bacteria exhibit different structural forms is
a.
Involution form
b.
Pleomorphism
c.
Resolution form
d.
Hypertrophy
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Q68 mcq
Type of virus which integrates its DNA with host cell DNA and replicates is called
a.
Lysogenic
b.
Lytic
c.
Autolytic
d.
Necrotic
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Q69 mcq
The lichen that is used in food preparations as spice and condiment is
a.
Parmelia
b.
Usnea
c.
Lecanora
d.
Roccella
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Q70 mcq
The period taken by the virus for developing infectivity within the vector is called
a.
Resting period
b.
Developing period
c.
Incubation period
d.
Virulent period
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Q71 mcq
When young, the pileus portion of Agaricus is completely enclosed inside a thin membrane called
a.
Ligule
b.
Velum
c.
Annulus
d.
Peristome
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Q72 mcq
Pycnidia develop on the upper surface of ................ leaf.
a.
Triticum
b.
Berry
c.
Amaranthus
d.
Barberry
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Q73 mcq
The life cycle of Sargassum is
a.
Diplontic
b.
Haplontic
c.
Haplo-diplobiontic
d.
Diplohaplontic
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Q74 mcq
Agar is obtained from
a.
Nostoc
b.
Ulothrix
c.
Spirogyra
d.
Gracilaria
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Q75 mcq
Cryophytes are algae growing on
a.
living plants
b.
ice and snow
c.
soil
d.
terrestrial algae
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Q76 mcq
A nitrogen fixing alga that is found inside the tissues of Anthoceros is
a.
Nostoc
b.
Anabaena
c.
Oscillatoria
d.
Lyngbya
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Q77 mcq
A person is hurt on kicking a stone due to
a.
reaction
b.
mass
c.
velocity
d.
momentum
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Q78 mcq
Which of the following harbours is not a natural harbour?
a.
Cochin
b.
Chennai
c.
Mumbai
d.
Paradwip
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Q79 mcq
Recently one Indian cricket player has become the Sixth Batsman to score 10,000 runs in Test Cricket. The name of the player is
a.
Sachin Tendulkar
b.
Virender Sehwag
c.
Sourav Ganguly
d.
Rahul Dravid
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Q80 mcq
The battle of Wandiwash was fought between
a.
Marathas and Portuguese
b.
the English and the French
c.
the English and Portuguese
d.
Marathas and the English
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Q81 mcq
Linear programming is designed by
a.
B. F. Skinner
b.
E. L. Thorndike
c.
L. P. Pavlov
d.
Clark L. Hull
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Q82 mcq
Which of the following first identified the Secondary Education as a weak link and suggested improvement?
a.
The Tarachand Committee (1948)
b.
The Secondary Education Commission (1954)
c.
The University Education Commission (1949)
d.
The Education Commission (1966)
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Q83 mcq
Intelligence test scores are reasonably stable after the age of
a.
one
b.
two
c.
five
d.
twenty
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Q84 mcq
Which one is not an S-R theory with reinforcement?
a.
E. L. Thorndike's theory
b.
Hull's theory
c.
B. F. Skinner's theory
d.
Tolman's theory of learning
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Q85 mcq
The emphasis of National Board for Adult Education on Curriculum is that it must be
a.
need-based
b.
functional
c.
job-oriented
d.
production-oriented
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Q86 mcq
World First Aid Day is
a.
September 11
b.
September 12
c.
September 10
d.
September 9
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Q87 mcq
For the following scores 10, 11, 13, 10, 15, 17, 18, 15, 10 the value of mode is
a.
10
b.
13
c.
15
d.
18
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Q88 mcq
Educational Technology means
a.
Technology in Education
b.
Technology of Education
c.
both of these
d.
none of these
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Q89 mcq
Which one of the following is not a cause for forgetting?
a.
When something learned and not used repeatedly
b.
Interference with present learning
c.
Lack of reorganisation of the learning material
d.
Learning on the basis of short-term remembrance
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Q90 mcq
When the reason for acting is in the action, motivation is said to be
a.
extrinsic
b.
intrinsic
c.
extrinsic & intrinsic
d.
none of these
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Q91 mcq
National Integration Day is
a.
November 19
b.
December 19
c.
September 19
d.
May 19
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Q92 mcq
The importance of Teacher Education was first emphasized by
a.
the Woods Dispatch
b.
the Hunter Commission
c.
Calcutta University Commission
d.
the White Paper
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Q93 mcq
Taxonomy of educational objectives was first developed by
a.
Mager
b.
Skinner
c.
Bloom
d.
Thorndike
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Q94 mcq
SSA is established for achievement of
a.
Elementary Education
b.
Secondary Education
c.
Higher Education
d.
Vocational Education
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Q95 mcq
Whose philosophy is characterised as "Naturalistic in its setting, Idealistic in its aim and Pragmatic in its method and programme of work"?
a.
Sri Aurobindo
b.
Gandhiji
c.
Rousseau
d.
Tagore
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Q96 mcq
Multi-factor theory of Intelligence was developed by
a.
Charles Spearman
b.
E. L. Thorndike
c.
L. L. Thurstone
d.
Dr. J. P. Guilford
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Q97 mcq
Cadmium found in industrial wastes can be removed by
a.
Aspergillus oryzae
b.
Agaricus campestris
c.
Penicillium notatum
d.
Bacillus circulans
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Q98 mcq
Production of vermicompost involves the use of
a.
Ascaris
b.
Anabaena
c.
Earthworms
d.
Azolla
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Q99 mcq
A process of gradual exposure of plantlets to natural environmental condition is called
a.
Hardening
b.
Incubation
c.
Resting
d.
Dormancy
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Q100 mcq
A microbe grown in a limited medium in a closed culture system is called
a.
Axenic culture
b.
Batch culture
c.
Fed batch culture
d.
Continuous culture
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Q101 mcq
Periodic warming or increase in temperature of ocean water is due to a phenomenon called
a.
La Nina
b.
El Nino
c.
Air current
d.
Trade winds
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Q102 mcq
A vessel used for fermentation or other biological synthetic processes is called as
a.
Centrifuge
b.
Inoculation chamber
c.
Bioreactor
d.
Autoclave
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Q103 mcq
Social forestry is well accepted because
a.
It protects only forests
b.
protects both people and forests
c.
protects only animals
d.
It protects only people
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Q104 mcq
Which form of forest fire is supposed to be dangerous and difficult to control?
a.
Canopy fire
b.
Surface fire
c.
Bush fire
d.
Bark fire
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Q105 mcq
Montane Wet Temperate Evergreen Forests are seen in
a.
Orissa
b.
Tamil Nadu
c.
Bihar
d.
Rajasthan
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Q106 mcq
Noise pollution is measured by which of the following units of measurement?
a.
Millimetres
b.
Nanometres
c.
Decibel units
d.
Micro units
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Q107 mcq
Wheat plants show photoperiods which come under the category called
a.
Long day plants
b.
Short day plants
c.
Day neutral plants
d.
Neutral plants
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Q108 mcq
The site of oxidative phosphorylation is
a.
Chloroplast
b.
Mitochondria
c.
Golgi body
d.
Lysosome
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Q109 mcq
A membrane that allows solvent but does not allow solute particles to pass through is called
a.
selectively permeable
b.
semipermeable
c.
impermeable
d.
totally permeable
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Q110 mcq
The exudation of water and cell sap through cuts and wounds of plants is called
a.
Bleeding
b.
Guttation
c.
Leaching
d.
Transpiration
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Q111 mcq
The process of breaking a large fat molecule into smaller ones is known as
a.
Rancidity
b.
Halogenation
c.
Emulsification
d.
Hydrogenolysis
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Q112 mcq
Non-protein part of an enzyme is called
a.
Apoenzyme
b.
Coenzyme
c.
Holoenzyme
d.
Hydrolytic enzyme
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Q113 mcq
Theory of Biogenesis was proposed by
a.
Louis Pasteur
b.
Epicurus
c.
Haeckel
d.
Stanley Miller
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Q114 mcq
Lamarck, a French evolutionist belongs to
a.
Darwinian era
b.
post-Darwinian era
c.
pre-Darwinian era
d.
Mesozoic era
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Q115 mcq
Sugarcane, a cash crop is improved by which of the following techniques?
a.
Clonal selection
b.
Mass selection
c.
Pure line selection
d.
Seed selection
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Q116 mcq 1 mark
Disease resistance can be made in commercial crops by subjecting them to
a.
Test cross
b.
Back cross
c.
Selection
d.
Reciprocal cross
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Q117 mcq 1 mark
A method of selection where a single homozygous individual is used for developing a variety, is called
a.
Mass selection
b.
Natural selection
c.
Clonal selection
d.
Pure line selection
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Q118 mcq 1 mark
Polyploidy can be artificially induced by using a chemical known as
a.
NAA
b.
Colchicine
c.
IAA
d.
Acetylene
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Q119 mcq 1 mark
Sex linked genes in Drosophila were discovered by
a.
Wilson
b.
Stevens
c.
Henking
d.
Morgan
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Q120 mcq 1 mark
The method of sex determination first observed in a bryophyte, Sphaerocarpus, is of type
a.
XO - YO method
b.
XY - XX method
c.
XX - XO method
d.
XX - YY method
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Q121 mcq 1 mark
At what stage of Meiosis Prophase I, homologous chromosomes pair with each other (Synapsis)?
a.
Pachytene
b.
Leptotene
c.
Zygotene
d.
Diplotene
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Q122 mcq 1 mark
When DNA threads remain intertwined as supercoil which cannot be easily separated, that coiling is called
a.
Plectonemic coiling
b.
Paranemic coiling
c.
Right coiling
d.
Left coiling
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Q123 mcq 1 mark
Seed coat is formed from
a.
Integument
b.
Hilum
c.
Tapetum
d.
Embryo sac
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Q124 mcq 1 mark
Surface of the thylakoid has spheroid bodies or particles of 20 x 10 Å size called
a.
Autosomes
b.
Quantasomes
c.
F1 particles
d.
Lysosomes
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Q125 mcq 1 mark
Identify the tissue type in the following illustration:
Question 125 image
a.
Parenchyma
b.
Chlorenchyma
c.
Aerenchyma
d.
Collenchyma
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Q126 mcq 1 mark
Casparian strips are found in the cells of
a.
Phloem parenchyma
b.
Xylem parenchyma
c.
Endodermis
d.
Pericycle
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Q127 mcq
Sap wood refers to
a.
wood of commercial importance
b.
the inner part of the root
c.
the inner part of wood containing dead tissue
d.
the outer part of the wood containing living cells
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Q128 mcq
Tyloses are formed in
a.
Phloem
b.
Collenchyma
c.
Epidermis
d.
Secondary xylem
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Q129 mcq
Family cucurbitaceae is placed under ............... by Bentham and Hooker.
a.
Heteromerae
b.
Polypetalae
c.
Gamopetalae
d.
Monocots
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Q130 mcq
The raw material for the production of chewing gum is obtained from
a.
Malvaceae
b.
Annonaceae
c.
Sapotaceae
d.
Asclepiadaceae
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Q131 mcq
Tautonym is a
a.
name of a species in which the specific epithet exactly repeats the generic name
b.
name first described by the author
c.
name not published properly
d.
name of the family
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Q132 mcq
Cauliflory refers to
a.
flowers borne on the main stem
b.
flowers borne on the tip of the stem
c.
flowers borne at the axil of leaves
d.
flowers borne on a lengthy peduncle
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Q133 mcq
Under whose classification, 6 subclasses of magnoliopsida and 5 subclasses of Liliopsida are present?
a.
Hutchinson
b.
Cronquist
c.
Bessey
d.
Takhtajan
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Q134 mcq
Hemiparasite is an organism
a.
which depends totally on other plants for nourishment
b.
which depends on other plants for a place to grow
c.
which depends on dead tissue for its growth
d.
which depends partially on other plants for food and partially self supporting
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Q135 mcq
Winged pollens are a special feature of
a.
Cycas
b.
Gnetum
c.
Pinus
d.
Ginkgo
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Q136 mcq
Presence of angiospermic characters is observed in
a.
Gnetum
b.
Cycas
c.
Pinus
d.
Adiantum
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Q137 mcq
Hydroids and Leptoids are observed in
a.
Anthoceros
b.
Polytrichum
c.
Riccia
d.
Marchantia
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Q138 mcq
Heterospory is observed in
a.
Selaginella
b.
Lycopodium
c.
Equisetum
d.
Marsilea
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Q139 mcq
Riccia sporophyte has
a.
Foot, Seta and Capsule
b.
Capsule only
c.
Lengthy setae
d.
Calyptra
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Q140 mcq
Male sex organs are found in Marchantia on a structure called
a.
Antheridiophore
b.
Archegoniophore
c.
Elatophore
d.
Rhizophore
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Q141 mcq
Circular, double stranded, extrachromosomal DNA molecules found inside a bacterium are called
a.
Plastids
b.
Capsomeres
c.
Plasmids
d.
Chromatids
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Q142 mcq
Scientist who crystallised TMV for the first time is
a.
Smith
b.
Stanley
c.
Miller
d.
Ivanowski
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Q143 mcq
TMV contains ................ as genetic material.
a.
single stranded DNA
b.
t-RNA
c.
double stranded DNA
d.
RNA
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Q144 mcq
T-series bacteriophages are
a.
Mycoviruses
b.
Algal viruses
c.
Virulent viruses
d.
Human viruses
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Q145 mcq
In Colletotrichum, the conidia and conidiophores are found inside a structure called
a.
Acervulus
b.
Aecium
c.
Basidium
d.
Telium
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Q146 mcq
External or internal gall like outgrowths which are found in the thallus of lichens are called
a.
Cyphellae
b.
Cephalodia
c.
Breathing pores
d.
Acervulus
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Q147 mcq
The fungus which is coprophilous is
a.
Entomophthora
b.
Peziza
c.
Saccharomyces
d.
Agaricus
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Q148 mcq
Heterothallism is found in which of the following fungi?
a.
Achlya
b.
Peranospora
c.
Mucor
d.
Penicillium
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Q149 mcq
Cap cells are found in
a.
Oscillatoria
b.
Cladophora
c.
Caulerpa
d.
Oedogonium
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Q150 mcq
The advanced female sex organ found in Chara is called as
a.
Globule
b.
Oogonium
c.
Nucule
d.
Ovum
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