In callus culture, root can be induced by supply of ... [ BHU 2005]
0%
a) Ethylene
67%
b) Gibberellin
17%
c) Cytokinin
17%
d) Auxin
Q.2.
Bull semen is stored for artificial insemination in ... [ BHU 2005]
0%
a) Ice
0%
b) Liquid carbon dioxide
20%
c) Liquid oxygen
80%
d) Liquid nitrogen
Q.3.
Polyethylene glycol method is used for .... [ CBSE 2009]
40%
a) Seedless fruit production
40%
b) Biodiesel production
0%
c) Energy production from sewage
20%
d) Gene transfer without a vector
Q.4.
Product obtained from which family can be alternative to liquid fuel ... [ Guj CET 2006]
0%
a) Asclepiadaceae
40%
b) Leguminosae
40%
c) Solanaceae
20%
d) Liliaceae
Q.5.
Breeding for disease resistance requires ... ..[ Odisha 2010]
17%
a) A good source of resistance
17%
b) Planned hybridization
0%
c) Disease test
67%
d) All the above
Q.6.
Who could grow Tomato roots successfully and develop the technique of tissue culture for the first time ... [ BHU 1989]
50%
a) Hilderbrandt
0%
b) P.R. White
33%
c) W.H. Muir
17%
d) F.C. Steward
Q.7.
A totipotent cell means ... [ JIPMER 2003]
0%
a) Cell which lacks the capability to differentiate into an organ or system
20%
b) An undifferentiated call capable of developing into a system or entire plant
80%
c) An undifferentiated cell capable of developing into an organ
0%
d) An undifferentiated cell capable of developing into an organ or system
Q.8.
In pedigree method of hybridisation upto which generation the plants are tested and released for cultivation ..[ EAMCET 2002]
0%
a) F2 generation
25%
b) F3 generation
25%
c) F4 generation
50%
d) F6 generation
Q.9.
Study statements a-d (about organic farming) and find out the correct ones a) Utilizes genetically modified crops like Bt cotton b) Uses only naturally produced input like compost c) Does not use pesticide and urea d) Produces vegetables rich in vitamins and minerals
33%
a) c and d only
33%
b) b, c and d
0%
c) b and c only
33%
d) a and b only
Q.10.
Enzymes required to obtain wall-free/naked protoplasts are ... [ BHU 1996]
50%
a) Amylase and pectinase
50%
b) Cellulase and Amylase
0%
c) Cellulase and proteinase
0%
d) Cellulase and pectinase
Q.11.
Which initiated collaboration with Norman Borlaug which culminated in green revolution in India ... [ HPPMT 2011]
0%
a) Dr W. Dudgeon
0%
b) Dr Panchanan Maheshwari
100%
c) M. S. Swaminathan
0%
d) Ram Deo Misra
Q.12.
Which one is being tried in India as biofuel substitute for fossil fuel ? [ CBSE 2008]
0%
a) Jatropha
0%
b) Musa
50%
c) Aegilops
50%
d) Azadirachta
Q.13.
Fish introduced in India by foreigners is ... [ CBSE 1996]
50%
a) Labeo rohita
0%
b) Mystus singhala
50%
c) Pomfret
0%
d) Clarias batrachus
Q.14.
On culturing the young anther of plant a botanist get few diploid plants along with haploid plants. Which of the following might have given the diploid plants .... [ BHU 1992]
100%
a) Exine of pollen gram
0%
b) Vegetative cell of pollen
0%
c) Cells of anther wall
0%
d) Generative cell of pollen
Q.15.
Fresh water bony fish survives by .... [ DPMT 2008]
0%
a) Gaining both water and salt
50%
b) Getting rid of water and gaining salt
0%
c) Getting rid of both water and salt
50%
d) Getting rid of salt and gaining water
Q.16.
The technique of obtaining large number of plants through tissue culture is .... [ AFMC 2008]
100%
a) Micropropagation
0%
b) Macropropogation
0%
c) Organ culture
0%
d) Plant culture
Q.17.
Selection is a method of ... [ MPPMT 2001]
0%
a) Cytology
0%
b) Genetics
100%
c) Plant breeding
0%
d) vitro culture
Q.18.
Biogas is good substitute for .... [ BHU 2000]
50%
a) Fuel wood
0%
b) Petroleum and oil
50%
c) Coal
0%
d) Charcoal
Q.19.
Match the columns ... [ EAMCET 2008]
I
II
a. Mutation breeding
Johannsen
b. Inbreeding depression
Karpechenko
c. Pureline selection
Darwin
d. Intergeneric hybridization
Stadler
- - - -
Shull
0%
a) a - 4, b - 2, c - 5, d - 1
100%
b) a - 4, b - 5, c - 2, d - 1
0%
c) a - 4, b - 3, c - 1, d - 2
0%
d) a - 5, b - 4, c - 1, d - 2
Q.20.
Which tissue shows totipotency ....
0%
a) Xylem vessels
0%
b) Sieve tubes
100%
c) Parenchyma
0%
d) Sclerenchyma
Q.21.
Both in solid and suspension culture, the commonly used auxin is ,,, [ Odisha 2012]
0%
a) NAA
0%
b) 2,4-D
100%
c) IBA
0%
d) 2, 4, 5 -T
Q.22.
Pollen grains of plant (2n=28) are cultured to get callus by tissue culture. What would be the number of chromosomes in the cells of callus ... [ KCET 2009]
50%
a) 14
0%
b) 21
0%
c) 28
50%
d) 56
Q.23.
Pure line breeds refer to .... [ AIIMS 2002]
50%
a) Homozygosity only
0%
b) Homozygosity and independent assortment
50%
c) Heterozygosity
0%
d) Heterozygosity and linkage
Q.24.
Hybrid vigour is eroded through ... [ kerala 2000]
0%
a) Vegetative propagation
0%
b) Repeated crossing
100%
c) Repeated selfing
0%
d) Mutation
Q.25.
Meristem culture is practiced in horticulture to get .... [ DPMT 2011]
0%
a) Somaclonal variations
50%
b) Haploid plants
50%
c) Virus free plants
0%
d) Slow growing cultures
Q.26.
The young chicken raised specially for meat are called ... [ MPPMT 1994]
0%
a) Cockerels
100%
b) Broilers
0%
c) Pullets
0%
d) Hen
Q.27.
Mature differentiated cell revert to meristematic activity to form callus by .... [ KCET 2007]
100%
a) Redifferentiation
0%
b) Cytodifferentiation
0%
c) differentiation
0%
d) Dedifferentiation
Q.28.
Government of India is putting more stress on planting quick growing trees which yield better fodder and fuel. It is under .... [ BHU 2001]
0%
a) Afforestation
0%
b) Forest conservation
0%
c) Social forestry
100%
d) All the above
Q.29.
Greatest of genetic diversity in agriculture crops is .... [ KCET 2009]
0%
a) Introduction of high yielding varieties
0%
b) Extensive use by fertilizer
100%
c) Extensive mixed cropping
0%
d) Extensive use of insecticides and pesticides
Q.30.
Exotic breed of poultry are ... [ Manipal 2001]
50%
a) White Leghorn and Rhode Island Red
50%
b) Rhode Island Red and Andalusian
0%
c) White Leghorn and Andalusian
0%
d) Plymouth and Andalusian
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