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