Strategies for Enhancement in Food Production MCQ Questions for Class 12 Biology Chapter 9 with Answers

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NCERT MCQ Chapters for Class 12 Biology

Q1. Which of the following can yield a completely haploid plant?

(A) Root tip
(B) Anther
(C) Carpel
(D) Stem apical meristem

(B) Anther

Q2. The biggest constraint of plant breeding is

(A) availability of desirable gene in the crop and its wild relatives
(B) infrastructure
(C) trained manpower
(D) transfer of genes from unrelated sources

(A) availability of desirable gene in the crop and its wild relatives

Q3. Which of the following is an improved variety of chicken ?

(A) Jersey
(B) Leghorn
(C) Himgiri
(D) Kalyan Sona

(B) Leghorn

Q4. What is antisense technology?

(A) A cell displaying a foreign antigen used for synthesis of antigens
(B) Production of somaclonal variants in tissue cultures
(C) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
(D) RNA polymerase producing DNA

Q5. The technique of obtaining large number of plantlets by tissue culture method is called :

(A) Organ culture
(B) Micro-propagation
(C) Macro-propagation
(D) Plantlet culture

(B) Micro-propagation

Q6. Inbreeding is carried out in animal husbandry because it

(A) increases vigour.
(B) improves the breed.
(C) increases heterozygosity.
(D) increases homozygosity.

(D) increases homozygosity.

Q7. Fungicides and antibiotics are chemicals that:

(A) enhance yield and disease resistance
(B) kill pathogenic fungi and bacteria, respectively
(C) kill all pathogenic microbes
(D) kill pathogenic bacteria and fungi respectively.

(B) kill pathogenic fungi and bacteria, respectively

Q8. Which one of the following products of apiculture is used in cosmetics and polishes?

(A) Honey
(B) Oil
(C) Wax
(D) Royal jelly.

Q9. Which variety of wheat is used as donor for high protein?

(A) IR-8
(B) Sonalika
(C) Atlas 66
(D) Himgiri

Q10. Both in callus and suspension culture commonly used auxin is:

(A) NAA
(B) IEA
(C) 2-4D
(D) Abscisic acid

Q11. Which of the following is the “bird flu virus” ?

(A) H5N1
(B) Haemophilus influenzae
(C) HIV
(D) Rhino virus

(A) H5N1

Q12. The term ‘totipotency’ refers to the capacity of a

(A) cell to generate whole plant
(B) bud to generate whole plant
(C) seed to germinate
(D) cell to enlarge in size

(A) cell to generate whole plant

Q13. One of the following is a disease of poultry:

(A) Anthrax
(B) Pebrine disease
(C) Ranikhet disease
(D) Foot and mouth disease

Q14. The technique of fusion of the protoplasts from two different plant varieties is called?

(A) Cloning
(B) Micro propagation
(C) Soma clones
(D) Somatic Hybridisation

(D) Somatic Hybridisation

Q15. Which one of the following is not a fungal disease?

(A) Rust of wheat
(B) Smut of Bajra
(C) Black rot of crucifers
(D) Red rot of sugarcane.

Q16. The species of Saccharum (sugarcane) originally grown in North India.is

(A) S. munja.
(B) S. officinarum.
(C) S. barberi.
(D) All of these.

Q17. Inbreeding is necessary if you want to evolve a

(A) Better variety
(B) Heterozygosis
(C) Pure line
(D) GM food

Q18. Which one of the following is a marine fish?

(A) Rohu
(B) Hilsa
(C) Catla
(D) Common carp.

(B) Hilsa

Q19. Which one of the following products of apiculture is used in cosmetics and polishes ?

(A) Honey
(B) Oil
(C) Wax
(D) Royal jelly

Q20. The world’s highly prized wool yielding ‘Pashmina’ breed is :

(A) Sheep
(B) Goat
(C) Goat-sheep cross
(D) Mashmir sheep-Afghan sheep cross

(B) Goat

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