This practice test includes 25 questions from the Class 12th Biology Chapter - Strategies For Enhancement In Food Production. helpful for NEET and other competitive entrance exams.
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Q.1.
Aquaculture does not include
- prawns
- fishes
- silkworms
- shell fishery
Answer:
(c) silkworms
Q.2.
Which of the following is correctly matched ?
- Sericulture – Fish
- Aquaculture – Mosquito
- Apiculture – Honeybee
- Pisciculture – Silkmoth
Answer:
(c) Apiculture – Honeybee
Explanation: Apiculture – Honeybee is correctly matched
Explanation: Apiculture – Honeybee is correctly matched
Q.3.
Germplasm collection is the collection of
- germ cells
- semens
- plants/seeds with all the diverse alleles for all genes
- egg cells
Answer:
(c) plants/seeds with all the diverse alleles for all genes
Explanation: Germplasm collection is the collection of plants/seeds with all the diverse alleles for all genes
Explanation: Germplasm collection is the collection of plants/seeds with all the diverse alleles for all genes
Q.4.
Major percentage of India’s Gross Domestic Product is constituted by
- industry
- agriculture
- export
- small scale cottage industry
Answer:
(b) agriculture
Explanation: Major percentage of India’s Gross Domestic Product is constituted by agriculture
Explanation: Major percentage of India’s Gross Domestic Product is constituted by agriculture
Q.5.
The Noble Laureate, who developed semi-dwarf wheat varieties in Mexioc was
- norman E. Borlaug
- herbert Boyer
- William Harvey
- Typhoid Mary
Answer:
(a) norman E. Borlaug
Q.6.
Jaya and Ratna are the semi-dwarf varieties of
- wheat
- rice
- cowpea
- mustard
Answer:
(b) rice
Explanation: Jaya and Ratna are the semi-dwarf varieties of wheat
Explanation: Jaya and Ratna are the semi-dwarf varieties of wheat
Q.7.
The term “inbreeding depression” is related to
- increased fertility and productivity
- increased milk production
- reduced fertility & productivity
- reduced milk production
Answer:
(c) reduced fertility & productivity
Explanation: The term “inbreeding depression” is related to reduced fertility & productivity
Explanation: The term “inbreeding depression” is related to reduced fertility & productivity
Q.8.
Continued inbreeding, especially close inbreeding generally results in
- inbreeding depression
- inbreeding stimulation
- inbreeding hybridisation
- inbreeding mutation
Answer:
(a) inbreeding depression
Explanation: It generally results in inbreeding depression
Explanation: It generally results in inbreeding depression
Q.9.
The breeding carried out between animals of different breeds is called
- out-crossing
- cross-breeding
- inbreeding
- both (a) and (b)
Answer:
(b) cross-breeding
Explanation: It is called cross-breeding
Explanation: It is called cross-breeding
Q.10.
Which of the following is an example of a cross-breed ?
- Mule
- Hilsa
- Hisardale
- Sahiwal
Answer:
(c) Hisardale
Explanation: Hisardale is an example of a cross-breed
Explanation: Hisardale is an example of a cross-breed
Q.11.
Hisardale is a new breed of sheep developed in Punjab by crossing
- Merino ram and Bikaneri ewe
- Assel ram and White leghorn ewe
- Rhode Island ram and White leghorn ewe
- Cochin ram and Ghagus ewe
Answer:
(a) Merino ram and Bikaneri ewe
Explanation: It is developed in Punjab by crossing
Explanation: It is developed in Punjab by crossing
Q.12.
Crossing of individuals of two different species to produce a hybrid is called
- interspecific hybridisation
- intervarietal hybridisation
- intergeneric hybridisation
- intravarietal hybrididisation
Answer:
(a) interspecific hybridisation
Explanation: Crossing of individuals of two different species to produce a hybrid is called interspecific hybridisation
Explanation: Crossing of individuals of two different species to produce a hybrid is called interspecific hybridisation
Q.13.
Artificial insemination involves
- super ovulation
- semen collection
- egg collection
- embryo collection
Answer:
(b) semen collection
Explanation: Artificial insemination involves semen collection
Explanation: Artificial insemination involves semen collection
Q.14.
Artificial breeding of cattle is brough about by
- artiticial insemination
- super ovulation and embryo transplantation
- MOET
- all of these
Answer:
(d) all of these
Explanation: all of these
Explanation: all of these
Q.15.
MOET stands for
- Multiple Ovulation and Egg transfer Technology
- Multiple Ovary and Embryo Transfer Technology
- Multiple Ovulation Embryo Transfer Technology
- Method of Egg Transfer Technology
Answer:
(c) Multiple Ovulation Embryo Transfer Technology
Q.16.
Multiple ovulation embryo transfer technology is related to
- transfer of super embryo
- transfer of super eggs
- super ovulation and embryo transfer
- both (a) and (b)
Answer:
(c) super ovulation and embryo transfer
Explanation: It is related to super ovulation and embryo transfer
Explanation: It is related to super ovulation and embryo transfer
Q.17.
Lean meat’ is cosidered to be of high quality because it has
- lesser but easily digestible protein
- lesser lipid content
- more fat that makes the meqt softer
- longer table life due to lesser chances of infection
Answer:
(b) lesser lipid content
Explanation: It is cosidered to be of high quality because it has lesser lipid content
Explanation: It is cosidered to be of high quality because it has lesser lipid content
Q.18.
In livestock breeding experiments, which of the following stages is transferred to surrogate mothers ?
- Unfertilised eggs
- Fertilised eggs
- 8 to 32 celled embryo
- Frozen semen
Answer:
(c) 8 to 32 celled embryo
Explanation: 8 to 32 celled embryo
Explanation: 8 to 32 celled embryo
Q.19.
The term ‘apiculture’ refers to
- tissue culture
- pisciculture
- bee-keeping
- animal-keeping
Answer:
(c) bee-keeping
Direction:
Q.20.
Which of the following plays a role in indigenous system of medicine ?
- Plant breeding
- Fisheries
- Apiculture
- MOET
Answer:
(c) Apiculture
Explanation: Apiculture plays a role in indigenous system of medicine
Explanation: Apiculture plays a role in indigenous system of medicine
Q.21.
In honey, the main constituent is
- calcium
- sugar
- protein
- water
Answer:
(b) sugar
Explanation: sugar is the main constituent is
Explanation: sugar is the main constituent is
Q.22.
Turnip mosaic disease is caused by
- bacteria
- viruses
- nematodes
- fungi
Answer:
(b) viruses
Q.23.
Which of the following is incorrectly matched ?
- Black rot of crucifers Bacteria
- Brown rust of wheat Fungi
- Late blight of potato Virus
- Red rot of sugarcane Fungi
Answer:
(c) Late blight of potato Virus
Explanation: Late blight of potato Virus
Explanation: Late blight of potato Virus
Q.24.
Which of the following dieases is caused by bacteria ?
- Tobacco mosaic
- Black rot of crucifers
- Red rot of sugarcane
- Late blight of potato
Answer:
(b) Black rot of crucifers
Q.25.
Black rust of wheat is caused by
- Puccinia
- Albugo
- Ustilago
- Cystopus
Answer:
(a) Puccinia
Explanation: Black rust of wheat is caused by Puccinia.
Explanation: Black rust of wheat is caused by Puccinia.
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