Which are correct in the following? ... [ BHU 2008] Sterile triploid-Banana and other seedless fruits Somaclonal variations - Differences appearing in tissue culture Embryoids-Non-zygotic embryos produced from somatic cells Pulses belong to cruciferae
25%
a) 1, 2, 3 correct
50%
b) 1, 2 correct
25%
c) 2, 4 correct
0%
d) 1, 3 correct
Q.2.
IPGRI is ... [ JKCMEE 2002]
0%
a) International Potato Genetic Resource Institute
50%
b) Indian Plant Genetic Resource Institute
0%
c) International Pine Genetic Resource Institute
50%
d) International Plant Genetic Resource Institute
Q.3.
Biogas mainly consists of ....
0%
a) Ethane
0%
b) CO2
0%
c) H2
100%
d) Methane
Q.4.
Norman Borlaug, father of green revolution, developed new varieties of ... [ Odisha 2006]
25%
a) Paddy
25%
b) Sugarcane
25%
c) Wheat
25%
d) Rice
Q.5.
Which one is a petroplant? ... [ MHTCET 2005]
0%
a) Cicer arietinum
50%
b) Beta vulgaris
50%
c) Euphorbia lathyris
0%
d) Solanum tuberosum
Q.6.
Which pair of substances are used to induce shoot formation and root formation respectively during organogenesis? [ HPPMT 2010]
0%
a) Hydrogen peroxide and chlorine
67%
b) Auxins and cytokinins
0%
c) Cytokinins and auxins
33%
d) Ethylene and abscisic acid
Q.7.
Plants developed in vitro culture from pollen grains are ... [ AIIMS 1996]
0%
a) Androgenic haploids
25%
b) Pollen plants
25%
c) Male plants
50%
d) Sterile plants
Q.8.
Fish fry refers to ...
25%
a) Frying of fish
25%
b) Fins of fish
0%
c) Very young stage of fish
50%
d) Drying of fish
Q.9.
In crop improvement programme, haploids are important because they .... [ CBSE 1989]
0%
a) Require one half of nutrients
0%
b) Are helpful in study of meiosis
100%
c) Grow better under adverse conditions
0%
d) Form perfect homozygous individuals on diploidization
Q.10.
Who is credited with identifying petro-crops? ... [ MPPMT 1999]
33%
a) Swaminathan
0%
b) Calvin
33%
c) Krebs
33%
d) Borlang
Q.11.
Green potatoes are toxic due to ... [ MPPMT 2009]
33%
a) Solenin
0%
b) phytoalexin
33%
c) Hormones
33%
d) Triazene
Q.12.
In high yielding hybrid crop varieties, hybrid vigour can be exploited only when hybrid seeds are purchased after every year because ... [ BHU 1994]
50%
a) It is cheaper to purchase fresh seed
50%
b) Hybrid vigour is lost due to inbreeding depression
0%
c) Govt. of India has accepted Dunkel's proposal
0%
d) Farmers are not allowed to grow their own seeds
Q.13.
In poultry coccidiosis is caused by ... [ JIPMER 2002]
0%
a) Virus
50%
b) Fungus
0%
c) Protozoan
50%
d) Helminth parasite
Q.14.
"Gill rot" disease of fish is due to ... [ WB 2008]
0%
a) Aeromonas species
0%
b) Branchiomyces sanguinis
100%
c) Bacillus polymixa
0%
d) Bacillus subtilis
Q.15.
Plant breeder who developed the first hybrid was ... [ EAMCET 2002]
0%
a) Fairchild
0%
b) Mendel
50%
c) Swaminathan
50%
d) Maheshwari
Q.16.
Along with auxin, another hormone is used in culture technique. It is ... [ BHU 2003]
0%
a) Coumarin
0%
b) Gibberellin
100%
c) Cytokinin
0%
d) Ethylene
Q.17.
In tissue culture medium, the source of phytohormones is ... [ KCET 2011]
0%
a) Agar agar
50%
b) Micronutrients
50%
c) Glucose
0%
d) Coconut milk
Q.18.
Supply of oxygen to the biogas plant will have ... [ Wardha 2005]
50%
a) Positive effect
0%
b) Negative effect
50%
c) No effect
0%
d) None of these
Q.19.
Stages in culture fish are ....
0%
a) Adult → Spawn → Fingerling → Fry
0%
b) Hatchling → Fingerling → Spawn
100%
c) Fry → Fingerling → Spawn → Adult
0%
d) Spawn → Hatchling → Fry → Fingerling → Adult
Q.20.
MOET ( Multiple ovulation embryo transfer ) is method of ... [ KCET 2001]
50%
a) Cloning of ship
0%
b) Fish cultivation
50%
c) Birth control
0%
d) Hybridization of cattle
Q.21.
A major use of embryo culture is in ,,, [ BHU 2000]
0%
a) Induction of somaclonal variations
0%
b) Overcoming hybridization barries
0%
c) Production of alkaloids
100%
d) Clonal propagation
Q.22.
Stage of fish when mouth is absent, is ... [ MHTCET 2008]
50%
a) Spawn
50%
b) Fry
0%
c) Fingerling
0%
d) Hatchling
Q.23.
Pest which only feed and oviposit on crop are .... [ W.B. 2008]
50%
a) Major pests
50%
b) Minor pests
0%
c) Accidental pests
0%
d) Occasional pests
Q.24.
Which of the following diseases is caused by a virus ....
0%
a) Coccidiosis
0%
b) Rinderpest
50%
c) Tick fever
50%
d) Anthrax
Q.25.
In tissue culture, callus can be induced to form shoot or root by altering the ratio of ... [ JIPMER 2000]
50%
a) Auxin to cytokinin
0%
b) Gibberellin to cytokinin
0%
c) Auxin to gibberellin
50%
d) Cytokinin to ethylene
Q.26.
Trimming of combs and wattles of young poultry birds is called ...
0%
a) Pullet
50%
b) Culling
50%
c) Brooding
0%
d) Dubbing
Q.27.
In initial stages of protoplast culture, sorbitol or mannitol is added as ,,, [ Pb PMT 2005]
0%
a) Source of carbon
0%
b) Osmotic stabilizer
0%
c) Additional source of energy
100%
d) To keep cells alive after removal of cell wall
Q.28.
Biogas predominantly comprises ... [ DPMT 2010]
50%
a) CH4, N2 and H2
50%
b) CH4 and CO
0%
c) CH4 anad CO2
0%
d) CH4 and NO2
Q.29.
First man-made cereal Triticale is ... [ Har PMT 2007]
0%
a) Diploid
0%
b) Octaploid
100%
c) Hexaploid
0%
d) Both b and c
Q.30.
Cross between two species of the same genus is ... ... [ Manipur 2005]
0%
a) Intraspecific hybridization
50%
b) Intervarietal hybridization
0%
c) Interspecific hybridization
50%
d) Intergeneric hybridization
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