Q.1
In callus culture, root can be induced by supply of ... [ BHU 2005]
  • a) Ethylene
  • b) Gibberellin
  • c) Cytokinin
  • d) Auxin
Q.2
Bull semen is stored for artificial insemination in ... [ BHU 2005]
  • a) Ice
  • b) Liquid carbon dioxide
  • c) Liquid oxygen
  • d) Liquid nitrogen
Q.3
Polyethylene glycol method is used for .... [ CBSE 2009]
  • a) Seedless fruit production
  • b) Biodiesel production
  • c) Energy production from sewage
  • d) Gene transfer without a vector
Q.4
Product obtained from which family can be alternative to liquid fuel ... [ Guj CET 2006]
  • a) Asclepiadaceae
  • b) Leguminosae
  • c) Solanaceae
  • d) Liliaceae
Q.5
Breeding for disease resistance requires ... ..[ Odisha 2010]
  • a) A good source of resistance
  • b) Planned hybridization
  • c) Disease test
  • 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]
  • a) Hilderbrandt
  • b) P.R. White
  • c) W.H. Muir
  • d) F.C. Steward
Q.7
A totipotent cell means ... [ JIPMER 2003]
  • a) Cell which lacks the capability to differentiate into an organ or system
  • b) An undifferentiated call capable of developing into a system or entire plant
  • c) An undifferentiated cell capable of developing into an organ
  • 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]
  • a) F2 generation
  • b) F3 generation
  • c) F4 generation
  • 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
  • a) c and d only
  • b) b, c and d
  • c) b and c only
  • d) a and b only
Q.10
Enzymes required to obtain wall-free/naked protoplasts are ... [ BHU 1996]
  • a) Amylase and pectinase
  • b) Cellulase and Amylase
  • c) Cellulase and proteinase
  • d) Cellulase and pectinase
Q.11
Which initiated collaboration with Norman Borlaug which culminated in green revolution in India ... [ HPPMT 2011]
  • a) Dr W. Dudgeon
  • b) Dr Panchanan Maheshwari
  • c) M. S. Swaminathan
  • d) Ram Deo Misra
Q.12
Which one is being tried in India as biofuel substitute for fossil fuel ? [ CBSE 2008]
  • a) Jatropha
  • b) Musa
  • c) Aegilops
  • d) Azadirachta
Q.13
Fish introduced in India by foreigners is ... [ CBSE 1996]
  • a) Labeo rohita
  • b) Mystus singhala
  • c) Pomfret
  • 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]
  • a) Exine of pollen gram
  • b) Vegetative cell of pollen
  • c) Cells of anther wall
  • d) Generative cell of pollen
Q.15
Fresh water bony fish survives by .... [ DPMT 2008]
  • a) Gaining both water and salt
  • b) Getting rid of water and gaining salt
  • c) Getting rid of both water and salt
  • d) Getting rid of salt and gaining water
Q.16
The technique of obtaining large number of plants through tissue culture is .... [ AFMC 2008]
  • a) Micropropagation
  • b) Macropropogation
  • c) Organ culture
  • d) Plant culture
Q.17
Selection is a method of ... [ MPPMT 2001]
  • a) Cytology
  • b) Genetics
  • c) Plant breeding
  • d) vitro culture
Q.18
Biogas is good substitute for .... [ BHU 2000]
  • a) Fuel wood
  • b) Petroleum and oil
  • c) Coal
  • 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
  • a) a - 4, b - 2, c - 5, d - 1
  • b) a - 4, b - 5, c - 2, d - 1
  • c) a - 4, b - 3, c - 1, d - 2
  • d) a - 5, b - 4, c - 1, d - 2
Q.20
Which tissue shows totipotency ....
  • a) Xylem vessels
  • b) Sieve tubes
  • c) Parenchyma
  • d) Sclerenchyma
Q.21
Both in solid and suspension culture, the commonly used auxin is ,,, [ Odisha 2012]
  • a) NAA
  • b) 2,4-D
  • c) IBA
  • 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]
  • a) 14
  • b) 21
  • c) 28
  • d) 56
Q.23
Pure line breeds refer to .... [ AIIMS 2002]
  • a) Homozygosity only
  • b) Homozygosity and independent assortment
  • c) Heterozygosity
  • d) Heterozygosity and linkage
Q.24
Hybrid vigour is eroded through ... [ kerala 2000]
  • a) Vegetative propagation
  • b) Repeated crossing
  • c) Repeated selfing
  • d) Mutation
Q.25
Meristem culture is practiced in horticulture to get .... [ DPMT 2011]
  • a) Somaclonal variations
  • b) Haploid plants
  • c) Virus free plants
  • d) Slow growing cultures
Q.26
The young chicken raised specially for meat are called ... [ MPPMT 1994]
  • a) Cockerels
  • b) Broilers
  • c) Pullets
  • d) Hen
Q.27
Mature differentiated cell revert to meristematic activity to form callus by .... [ KCET 2007]
  • a) Redifferentiation
  • b) Cytodifferentiation
  • c) differentiation
  • 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]
  • a) Afforestation
  • b) Forest conservation
  • c) Social forestry
  • d) All the above
Q.29
Greatest of genetic diversity in agriculture crops is .... [ KCET 2009]
  • a) Introduction of high yielding varieties
  • b) Extensive use by fertilizer
  • c) Extensive mixed cropping
  • d) Extensive use of insecticides and pesticides
Q.30
Exotic breed of poultry are ... [ Manipal 2001]
  • a) White Leghorn and Rhode Island Red
  • b) Rhode Island Red and Andalusian
  • c) White Leghorn and Andalusian
  • d) Plymouth and Andalusian
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