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Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - NEET MCQ


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25 Questions MCQ Test Biology Practice Tests: CUET Preparation - Test: Strategies for Enhancement in Food Production - 2 (Old NCERT)

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) for NEET 2024 is part of Biology Practice Tests: CUET Preparation preparation. The Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) below.
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Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 1

Best method to increase crop yield is______.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 1

Crop production can be increased by adopting a number of methods like using seeds of improved varieties, using modern method of agriculture, using fertilizers and pesticides. An improved seed variety is most important for better yield.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 2

The superiority of the hybrid over either parent in one or more traits is________.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 2

Hybrid obtained from two different plants have one or more traits superior than either of parents. This condition of having superiority of the hybrid is called heterosis.

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Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 3

Microorganism used as biopesticides is 

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 3

The correct option is Option D.
Biopesticides are derived from animals, plants and other natural materials such as fungi, bacteria, algae, viruses, nematodes and protozoa.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 4

Picking up plants with superior phenotype for further propagation is

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 4

plants with superior phenotype is selected form the different varieties of particular species for further propagation. This process is called mass selection. It is a method of improvement in plant varieties.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 5

Polyploidy is induced through_____.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 5

Polyploidy is a condition in which multiple sets of chromosome is present in same cell in place of usual two sets (diploid). Cell division involves karyokinesis followed by cytokinesis. Colchicine prevents the cytokinesis that results the more than two sets of chromosome.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 6

Which of the following scientist’s name is not correctly matched with the theory by them?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 6

The theory of inheritance of acquired traits is given by Weismann. Mendel gave the theories of inheritance that includes the law of dominance, the law of segregation and the law of independent assortment.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 7

In order to obtain virus-free plants through tissue culture the best method is

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 7

In meristem culture, the shoot apical meristem alongwith some surrounding tissue is grown in vitro. It is used for clonal propagation and recovery of virus free plants. It is also potentially useful in germ plasma exchange and long term storage of germ plasma through freeze preservation.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 8

Cutting of anthers from the bisexual flowers of female parents is called?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 8

Emasculation is the technique of removing anther from bisexual flower to prevent self-pollination. The stigma is further covered with butter paper to prevent air born pollination.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 9

Which of the following variety of wheat is resistant to leaf and strip rust and hill bunt disease?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 9

Himgiri wheat variety is resistant to disease like leaf and strip rust and hill bunt disease that cause great loss of productivity due to loss of plant parts.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 10

Inbreeding is necessary if you want to evolve a_____.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 10

Pure line is necessary for carrying out breeding programmers. Pure line is obtained by inbreeding plants followed by test crossing until we get homozygous plants for particular traits.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 11

Which of the following helps in absorption of phosphorus from soil by plants?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 11

Glomus is an arbuscular mycorrhizal (AM) fungi. It helps in nutrient uptake mainly the absorption of phosphorus.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 12

Soma clones are obtained by

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 13

Which one of the following is commonly used in transfer of foreign DNA into crop plants?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 13

Genetically modified foreign DNA is transferred into crops plants through a vector. Agrobacterium tumefaciens is most common bacterium used for this purpose.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 14

Crosses between two plants by the same variety are called?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 14

The crosses between two plants of same varieties is called intravarietal cross. The hybrid obtained from intravarietal cross is more vigorous as they are heterogenic.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 15

"Jaya" and "Ratna" developed for green revolution in India are the varieties of ________.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 16

Which one is an alternate source of proteins for animals and human nutrition?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 16

Alternate source of proteins for animals and human nutrition is single cell protein. Microbes are grown on industrial scale as source of good protein. Microbes like Spirulina on waste water of potato processing plants.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 17

Hybrid vigour is mostly due to

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 17

Hybrid vigour is mostly due to heterozygosity of traits. The hybrid contain genome from both the parents that make them more vigorous.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 18

Norin-10 gene is famous for________.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 18

Norin-10 gene is used to obtain dwarf varieties of crops like rice and wheat. This gene is introduced in crop plants by using technique of genetic engineering.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 19

Which of the following algae can be used as single cell protein?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 19

Spirulina is single celled algae that can be easily grown in starch containing medium life waste water from potato processing plants. It contains high quantity of protein that can be easily used by human beings.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 20

Breeding crops with higher levels of vitamins and minerals or higher protein and healthier fats is called?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 20

Bio-fortification is the breeding of crops with higher levels of vitamins and minerals to improve public health. Nutritional quantity is increased for protein, vitamins and minerals.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 21

The class of domesticated fowl or bird used for food or their egg is called?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 21

Poultry is the class of domesticated fowl or bird used for their meat or their egg. They include chicken, duck and sometimes turkey and geese.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 22

MOET stand for

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 22

MOET stands for Multiple Ovulation Embryo Transfer technology. In this technology hormone is administrated for multiple ovulation followed by artificial insemination and transfer the embryo into surrogate cow.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 23

“Blue revolution” is related to____.

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 23

Blue revolution is related to fish production. This revolution is brought about by using aquaculture and pisciculture on the line of green revolution for wheat production.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 24

For converting an inferior local breed into superior breed, cross breeding with the same types of superior bull is required for

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 24

Local inferior breed of cow is changed into superior breed by Hybridisation methods. In this method superior bull is required to breed for 6-7 generations to get desired traits.

Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 25

Which one is not a common freshwater fish?

Detailed Solution for Test: Strategies for Enhancement in Food Production - 2 (Old NCERT) - Question 25

Hilsa is not a common fresh water fish. It is a marine fish. Common fresh water fish are Catla, Rohu and Common carp.

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