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