This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 9 Strategies For Enhancement In Food Production – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 9 Strategies For Enhancement In Food Production Quiz 1 (38 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The semi dwarf wheat which was instrumental in increasing wheat production was developed by A) Alexander von Humboldt. B) Paul Ehrlich. C) Edward Jenner. D) Norman E. Borlaug. Show Answer Correct Answer: D) Norman E. Borlaug. 2. Baker's yeast is ..... A) S. octosporus. B) S. cerevisiae. C) S. ludwigii. D) Schizosaccharomyces. Show Answer Correct Answer: B) S. cerevisiae. 3. Green revolution in India was possible due to A) Better irrigation, fertilizers and pesticide facilities. B) Exploitation of high yielding varieties. C) Intensive cultivation. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. Which one of the following products of apiculture is used in cosmetic and polishes A) Oil. B) Wax. C) Royal jelly. D) Honey. Show Answer Correct Answer: B) Wax. 5. Multiple ovulation embryo transfer technology (MOET) induces which of the following in cow? A) Super ovulation. B) Follicular maturation in ovary. C) Ovulation. D) Both Super ovulation and Follicular maturation in ovary. Show Answer Correct Answer: D) Both Super ovulation and Follicular maturation in ovary. 6. Which of the following methods of breeding increases the chance of homozygosity? A) Out crossing. B) Cross breeding. C) In breeding. D) Out breeding. Show Answer Correct Answer: C) In breeding. 7. Which of the following has maximum genetic diversity in India? A) Mango. B) Groundnut. C) Wheat. D) Rice. Show Answer Correct Answer: D) Rice. 8. A collection of all the alleles of all the genes of a crop plant is called A) Somaclonal collection. B) Protoplasm collection. C) Germplasm collection. D) Herbarium. Show Answer Correct Answer: C) Germplasm collection. 9. The scientific process by which crop plants are enriched with certain desirable nutrients is called A) Bioremediation. B) Breeding. C) Crop protection. D) Biofortification. Show Answer Correct Answer: A) Bioremediation. 10. Bees are important for- A) Honey yield only. B) Crop yield only. C) Both a and b. D) Pollination in maize. Show Answer Correct Answer: C) Both a and b. 11. By which method was a new breed 'Hisardale' of sheep formed by using Bikaneri ewes and Marino rams? A) Mutational breeding. B) Inbreeding. C) Out crossing. D) Cross breeding. Show Answer Correct Answer: D) Cross breeding. 12. Mule is produced by a cross between A) A mare and a donkey. B) A female donkey and a male horse. C) A male and a female donkey. D) A male and a female horse. Show Answer Correct Answer: A) A mare and a donkey. 13. The wax gland in honeybee is found in- A) Drone. B) Worker. C) Queen. D) Worker and queen. Show Answer Correct Answer: B) Worker. 14. A group of animals which are related by descent and share many similarities are referred to as A) Breed. B) Race. C) Species. D) Variety. Show Answer Correct Answer: A) Breed. 15. Plant parts (cell, tissue, organ) used in tissue culture called as the A) Explant. B) Import. C) Export. D) Implant. Show Answer Correct Answer: A) Explant. 16. Which of the following is put into Anaerobic sludge digester for further sewage treatment? A) Activated sludge. B) Primary sludge. C) Floating debris. D) Effluents of primary treatment. Show Answer Correct Answer: A) Activated sludge. 17. Which one of the following is a marine fish? A) Common crap. B) Catla. C) Rohu. D) Hilsa. Show Answer Correct Answer: D) Hilsa. 18. What do bees collect from flowers? A) Honey and pollen. B) Nectar and other insects. C) Nectar and pollen. D) Sugar and nectar. Show Answer Correct Answer: C) Nectar and pollen. 19. Animal husbandry is the scientific management of A) (i) Feeding of animals. B) (ii) Breeding of animals. C) (iii) animal livestock. D) (iv) All of the above. Show Answer Correct Answer: D) (iv) All of the above. 20. Select the correct group of biocontrol agents. A) Oscillatoria, Rhizobium, Trichoderma. B) Bacillus thuringiensis, Tobacco mosaic, virus, Aphids. C) Trichoderma, Baculovirus, Bacillus thuringiensis. D) Nostoc, Azospirillium, Nucleopolyhedrovirus. Show Answer Correct Answer: C) Trichoderma, Baculovirus, Bacillus thuringiensis. 21. Increase lactation/milk yield, cow is given . A) Stilbesterol. B) Gonadotrophin. C) Sorbitol. D) Prolactin. Show Answer Correct Answer: A) Stilbesterol. 22. A river with an inflow of domestic sewage rich in organic waste may result in:- A) Death of fish due to lack of oxygen. B) Increased population of aquatic food web organisms. C) An increased production of fish due to biodegradable nutrients. D) Drying of the river very soon due to algal bloom. Show Answer Correct Answer: A) Death of fish due to lack of oxygen. 23. Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to ..... A) Insect pests. B) Plant nematodes. C) Fungal diseases. D) Insect predators. Show Answer Correct Answer: A) Insect pests. 24. Somatic cell hybrids are produced with the help of ..... A) Polypropylene glycol. B) Polyethylene glycol. C) Polymethylene glycol. D) Polyhydroxy glycol. Show Answer Correct Answer: B) Polyethylene glycol. 25. Homozygous purelines in cattle can be obtained by A) Mating of unrelated individuals of same breed. B) Matingof individuals of different species. C) Mating of individuals of different breed. D) Mating of related individuals of same breed. Show Answer Correct Answer: D) Mating of related individuals of same breed. 26. Green revolution was possible due to dvelopment of high yielding and disease resistant varieties of A) Wheat. B) Rice. C) Maize. D) All of the above. Show Answer Correct Answer: D) All of the above. 27. Aim of plant breeding is to ..... A) Keep soil fertile. B) Produce improved varieties. C) To maintain wild plants. D) Control pollution. Show Answer Correct Answer: B) Produce improved varieties. 28. Apiculture is associated with the maintenance of A) Saccharum barberi. B) Brassica. C) Apis indica. D) Abelmoschus. Show Answer Correct Answer: C) Apis indica. 29. MOET ( Multiple ovulation embryo transfer ) is method of ..... A) Cloning of ship. B) Fish cultivation. C) Birth control. D) Hybridisation of cattle. Show Answer Correct Answer: D) Hybridisation of cattle. 30. The capacity to generate a whole plant from any cell/explant A) Tissue culture. B) Micropropagation. C) Somatic hybridisation. D) Totipotency. Show Answer Correct Answer: D) Totipotency. 31. Conversion of milk to curd improves its nutritional value by increasing the amount of ..... A) Vitamin A. B) Vitamin E. C) Vitamin D. D) Vitamin B12. Show Answer Correct Answer: D) Vitamin B12. 32. Birds grown for ..... is called layers. A) Meat production. B) Egg production. C) None of these. D) Milk Production. Show Answer Correct Answer: B) Egg production. 33. Distillation of wine is necessary as it ..... A) Decreases toxicity. B) Increases duality. C) Prevents further fermentation and spoiling of wine. D) Has no action on nature of wine. Show Answer Correct Answer: C) Prevents further fermentation and spoiling of wine. 34. Poultry fowl are susceptible to the following pathogens A) Viruses. B) Bacteria. C) Fungi. D) All of the above. Show Answer Correct Answer: D) All of the above. 35. The best plant explant to raise virus free plant is: A) Vessels. B) Embryo. C) Meristem. D) Leaf. Show Answer Correct Answer: C) Meristem. 36. Wheat variety, Atlas 66 have high A) Protein content. B) Vitamin content. C) Healthier fat. D) None of the above. Show Answer Correct Answer: A) Protein content. 37. Which part of tobacco plant is infected by Meloidogyne incognito? A) Stem. B) Leaf. C) Flower. D) Root. Show Answer Correct Answer: D) Root. 38. The method of producing thousands of plants through tissue culture is called A) Somatic hybridiastion. B) Totipotency. C) Micro-propagation. D) None of the above. Show Answer Correct Answer: C) Micro-propagation. Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Biology Chapter 1 Reproduction In Organisms QuizClass 12 Biology Chapter 10 Microbes In Human Welfare QuizClass 12 Biology Chapter 11 Biotechnology Principles And Processes QuizClass 12 Biology Chapter 12 Biotechnology And Its Applications QuizClass 12 Biology Chapter 13 Organisms And Populations QuizClass 12 Biology Chapter 14 Ecosystem QuizClass 12 Biology Chapter 15 Biodiversity And Conservation QuizClass 12 Biology Chapter 16 Environmental Issues Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books