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NEET • BIOLOGY • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
Strategies for enhancement in food production practice · Easy
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31
Easy
31 of 45
Analyzing
+4 | -1
250 grams of which microbes, among the
following, can produce 25 tons of protein?
following, can produce 25 tons of protein?
View answer and explanation
Correct option: D
Methylophilus
Option D (Methylophilus) is correct because Methylophilus methylotrophus is known for its high protein production, with 250 grams capable of producing 25 tons of protein.
32
Easy
32 of 45
Remembering
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Science of altering the genetic pattern of plants in order to increase their value and utility for human welfare is called
View answer and explanation
Correct option: A
Plant breeding
Option A (Plant breeding) is correct because plant breeding is the science of altering the genetic makeup of plants to enhance their value and utility for human benefit.
33
Easy
33 of 45
Understanding
+4 | -1
Explants before organogenesis, is
View answer and explanation
Correct option: D
Heterotrophic
Option D (Heterotrophic) is correct because explants, before developing organs, rely on the culture medium for nutrients.
34
Easy
34 of 45
Remembering
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Polyethylene glycol method is used for
View answer and explanation
Correct option: D
Gene transfer without a vector
Option D (Gene transfer without a vector) is correct because polyethylene glycol (PEG) is used to facilitate the direct uptake of DNA into cells, bypassing the need for a biological vector.
35
Easy
35 of 45
Understanding
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The parameters carried out for managing dairy farm are
I. selection of both the male and female animals having high yielding potential and resistance to diseases
II. regular visits by a veterinary doctor
III. each animal should be fed on a balance ratio
IV. pay attention to good animal management and general supervision
Which of the above statement are correct?
I. selection of both the male and female animals having high yielding potential and resistance to diseases
II. regular visits by a veterinary doctor
III. each animal should be fed on a balance ratio
IV. pay attention to good animal management and general supervision
Which of the above statement are correct?
View answer and explanation
Correct option: D
I, II, III and IV
Option D (I, II, III and IV) is correct because all the listed statements are essential parameters for managing a dairy farm effectively.
36
Easy
36 of 45
Understanding
+4 | -1
Recovery of healthy plants from diseased plants is possible by
View answer and explanation
Correct option: C
Meristem culture
Option C (Meristem culture) is correct because meristems are often virus-free, allowing for recovery of healthy plants from diseased ones.
37
Easy
37 of 45
Remembering
+4 | -1
Which type of honey bees are useful for apiary industries in India?
View answer and explanation
Correct option: A
Apis indica
Option A (Apis indica) is correct because Apis indica, the Indian honey bee, is commonly used in apiary industries in India due to its adaptability to the local environment and manageable size.
38
Easy
38 of 45
Remembering
+4 | -1
Cellulose fibre is obtained from Gossypium
View answer and explanation
Correct option: B
Seed hair
Option B (Seed hair) is correct because cotton fibers, which are cellulose, are obtained from the seed hair of Gossypium species.
39
Easy
39 of 45
Remembering
+4 | -1
The inherent capacity of a cell to regenerate a new whole organism is called
View answer and explanation
Correct option: B
Totipotency
Option B (Totipotency) is correct because totipotency is the inherent ability of a single cell to divide and differentiate into a whole new organism.
40
Easy
40 of 45
Understanding
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Consider the following statements
I. The honey bees are pollinators of many crop species such as sunflower, Brassica, apple and pear
II. Keeping beehives in crop fields during flowering period increases both crop yield and honey yield
III. A successful bee keeping requires management of beehives during different seasons
Which of the statements given above are correct?
I. The honey bees are pollinators of many crop species such as sunflower, Brassica, apple and pear
II. Keeping beehives in crop fields during flowering period increases both crop yield and honey yield
III. A successful bee keeping requires management of beehives during different seasons
Which of the statements given above are correct?
View answer and explanation
Correct option: A
I, II and III
Option A (I, II and III) is correct because all the statements are correct regarding the benefits of honey bees in crop fields.
41
Easy
41 of 45
Understanding
+4 | -1
A hybrid where the cytoplasm of two parent cell are fused by retaining only one parental nucleus is called
View answer and explanation
Correct option: B
Cytoplasmic hybrid
Option B (Cytoplasmic hybrid) is correct because it describes a hybrid cell where the cytoplasm of two parent cells is fused, but only one parental nucleus is retained.
42
Easy
42 of 45
Understanding
+4 | -1
In tissue culture medium, the embryoids formed from pollen grains is due to
View answer and explanation
Correct option: A
Cellular totipotency
Option A (Cellular totipotency) is correct because pollen grains developing into embryoids demonstrates the ability of a single cell to develop into a whole organism.
43
Easy
43 of 45
Remembering
+4 | -1
Improved varieties of wheat suitable for Indian environment have been developed by
View answer and explanation
Correct option: B
Hybridization and mutation
Option B (Hybridization and mutation) is correct because improved wheat varieties for India have been developed through crossing different wheat lines (hybridization) and inducing genetic changes (mutation).
44
Easy
44 of 45
Analyzing
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Identify the correct matches for crops and their improved varieties
View answer and explanation
Correct option: A
Crops - Wheat, Varieties - Karan rai, Disease - White rust
Option D (Crops - Chili, Varieties - PusaSadabahar, Disease Tobacco Mosaic virus and leaf curl) is correct because Pusa Sadabahar is a chili variety resistant to Tobacco Mosaic Virus and leaf curl.
45
Easy
45 of 45
Remembering
+4 | -1
The technique to get pure line in cattles is
View answer and explanation
Correct option: B
Inbreeding
Option B (Inbreeding) is correct because inbreeding, the mating of closely related individuals, is used to develop pure lines in cattle by increasing homozygosity.
Revision notes and key takeaways
Review STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION in your textbook or class notes, then use this set to check your understanding.
Showing 31-45 of 45 questions