In This Post we are  providing Chapter-9 Strategies for Enhancement of Food Production NCERT MCQ for Class 12 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON STRATEGIES FOR ENHANCEMENT OF FOOD PRODUCTION

Question 1: Germplasm can be collected from many sources, where the preferred source to develop disease resistance is

• a) Wild relative
• b) Plantlet from culture experiment
• c) Improved variety
• d) Local variety

Answer: Wild relative

Question 2: Emasculation (removal of anthers) is required for

• a) Selective hybridization
• b) Inbreeding
• c) Pure lines
• d) Self pollination

Answer: Selective hybridisation

Question 3: Select the incorrect statement w.r.t. plant breeding

• a) Progeny plants with superior characters are self-pollinated for several generations till they reach a state of heterozygosity
• b) In many crops pre-existing genetic variability is available from wild relatives of the crop
• c) Hybrid breeding have led to development of several high yielding varieties resistant to water stress
• d) Conventional method of breeding for disease resistance is that of hybridization and selection

Answer:  Progeny plants with superior characters are self-pollinated for several generations till they reach a state of heterozygosity

Question 4: Which of the following is an example of intergeneric hybridization?

• a) More than one option is correct
• b) Raphanobrassica
• c) Triticale
• d) ADT-37

Answer:  More than one option is correct

Question 5:  Gene responsible for dwarfing in wheat is

• a) norin-10
• b) cry gene
• c) nod gene
• d) dee-geo-woo-gen

Answer: norin-10

Question 6:  The semi-dwarf wheat varieties brought from Mexico into India were

• a) Sonara-64 and Lerma Rojo-64
• b) Sonalika and NP-836
• c) Sharbati Sonara and Pusa Lerma
• d) Sonara-64 and HUW-468

Answer: Sonara-64 and Lerma Rojo-64

Question 7: Which of the following is a chemical mutagen?

• a) Ethyl methane sulphonate and Sodium azide
• b) Ethyl methane sulphonate and X-rays
• c) Sodium azide and UV rays
• d) X-rays, gamma rays and UV rays

Answer: Ethyl methane sulphonate and Sodium azide

Question 8: Bread wheat is

• a) T. aestivum
• b) T. durum
• c) Secale cereale
• d) Triticum turgidum

Answer: T. aestivum

Question 9: Late blight of potato is caused by the fungus

• a) Phytophthora infestans
• b) Alternaria solani
• c) Fusarium udum
• d) Plasmopara viticola

Answer: Phytophthora infestans

Question 10: The use of colchicine is involved in production of

• a) Polyploids
• b) Hybrids
• c) Haploids
• d) Somaclonal variations

Answer: Polyploids

Question 11: Large numbers of new varieties have been developed through mutation breeding and it has been used commonly in

• a) Self pollinating crops
• b) Allogamous plants
• c) Cross pollinating crops
• d) More than one option is correct

Answer: Self pollinating crops

Question 12: Which one of the following is not an improved variety of flat bean?

• a) Pusa sawani
• b) Pusa sem 3
• c) Pusa sem 2
• d) None of these

Answer: Pusa sawani

Question 13: Maize is rich in

• a) Thiamine
• b) Lysine
• c) Tryptophan
• d) Alanine

Answer:  Thiamine

Question 14: Anti-nutritional neurotoxic factor called cyan alanine is found in

• a) Seeds of khesari
• b) Kidney bean
• c) Almond
• d) Brassica oleracea

Answer: Seeds of khesari

Question 15: Atlas 66 variety of wheat was developed for

• a) High protein content
• b) Checking grassy stunt virus
• c) Scented grains
• d) Vitamin C

Answer: High protein content