NEET Biology Strategies for Enhancement in Food Production MCQs Set 12

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Chapter-wise Objective Questions: Strategies for Enhancement In Food Production

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Multiple Choice Questions

Question 1: Who is known as the Father of the White Revolution in India?
(a) B. V. Rao
(b) Verghese Kurien
(c) M. S. Swaminathan
(d) Norman Borlaug
Show Answer & Explanation

Answer: (b) Verghese Kurien

Explanation:
1. Dr Verghese Kurien, co-founder of Amul, led Operation Flood and is called the Father of the White Revolution.

Teacher's Note:
1. B. V. Rao is the Father of poultry farming in India.

Question 2: Which is the best milch breed of cattle in India?
(a) Red Sindhi
(b) Sahiwal
(c) Malvi
(d) Nageri
Show Answer & Explanation

Answer: (b) Sahiwal

Explanation:
1. Sahiwal is regarded as the best Indian milch breed. Malvi and Nageri are draught breeds.

Teacher's Note:
1. Learn breeds in three groups: milch, draught and dual-purpose.

Question 3: Which of the following is an exotic breed of cattle?
(a) Gir
(b) Jersey
(c) Deoni
(d) Rathi
Show Answer & Explanation

Answer: (b) Jersey

Explanation:
1. Jersey is exotic. Gir, Deoni and Rathi are Indian milch breeds.

Teacher's Note:
1. Holstein-Friesian is the best milch breed in the world.

Question 4: Jaffrabadi, Murrah and Mehsana are breeds of
(a) cow
(b) buffalo
(c) goat
(d) sheep
Show Answer & Explanation

Answer: (b) buffalo

Explanation:
1. These are well known Indian buffalo breeds.

Teacher's Note:
1. Murrah comes from Haryana.

Question 5: A mule is the offspring of
(a) female horse and male donkey
(b) male horse and female donkey
(c) two donkeys
(d) two horses
Show Answer & Explanation

Answer: (a) female horse and male donkey

Explanation:
1. Female horse x male donkey gives a mule; male horse x female donkey gives a hinny. Both are sterile.

Teacher's Note:
1. A mule is an example of interspecific hybridisation.

Question 6: Inbreeding in cattle is used mainly to
(a) increase heterozygosity
(b) develop pure lines by increasing homozygosity
(c) overcome inbreeding depression
(d) create interspecific hybrids
Show Answer & Explanation

Answer: (b) develop pure lines by increasing homozygosity

Explanation:
1. Inbreeding increases homozygosity, exposes harmful recessive genes for removal by selection and accumulates superior genes, and so is needed to evolve pure lines.

Teacher's Note:
1. Continued inbreeding causes inbreeding depression; an out-cross cures it.

Question 7: Inbreeding depression can be overcome by
(a) more inbreeding
(b) mating with unrelated superior animals of the same breed
(c) interspecific hybridisation only
(d) artificial selection of the weakest animals
Show Answer & Explanation

Answer: (b) mating with unrelated superior animals of the same breed

Explanation:
1. Mating selected animals with unrelated superior animals of the same breed (out-crossing) restores fertility and yield.

Teacher's Note:
1. Out-crossing means no common ancestor for 4 to 6 generations.

Question 8: Hisardale is a new sheep breed produced by crossing
(a) Bikaneri ewes and Merino rams
(b) Merino ewes and Dorset rams
(c) Patanwadi ewes and Lohi rams
(d) Bikaneri rams and Merino ewes
Show Answer & Explanation

Answer: (a) Bikaneri ewes and Merino rams

Explanation:
1. Hisardale was developed in Punjab by cross-breeding Bikaneri ewes with Merino rams.

Teacher's Note:
1. This is a standard example of cross-breeding.

Question 9: In MOET, the hormone used to induce superovulation has activity like
(a) FSH
(b) oxytocin
(c) progesterone
(d) thyroxine
Show Answer & Explanation

Answer: (a) FSH

Explanation:
1. FSH-like hormone induces follicular maturation, so 6 to 8 eggs are produced instead of one.

Teacher's Note:
1. The embryos are recovered at 8 to 32 cell stage and transferred to surrogate mothers.

Question 10: Layers and broilers are respectively birds raised for
(a) meat and eggs
(b) eggs and meat
(c) wool and milk
(d) feathers and eggs
Show Answer & Explanation

Answer: (b) eggs and meat

Explanation:
1. Layers are raised for eggs and broilers for meat.

Teacher's Note:
1. White Leghorn is a layer breed.

Question 11: Ranikhet disease affects
(a) honey bees
(b) poultry
(c) fishes
(d) pigs
Show Answer & Explanation

Answer: (b) poultry

Explanation:
1. Ranikhet (Newcastle) disease is a viral disease of poultry.

Teacher's Note:
1. Other viral poultry diseases are fowl pox and bird flu (H5N1).

Question 12: Which of the following is a fungal disease of poultry?
(a) Fowl pox
(b) Bird flu
(c) Aspergillosis
(d) Ranikhet disease
Show Answer & Explanation

Answer: (c) Aspergillosis

Explanation:
1. Aspergillosis and aflatoxicosis are fungal; fowl pox, bird flu and Ranikhet are viral.

Teacher's Note:
1. Fungal diseases are caused by Aspergillus species.

Question 13: Which individuals of a honey bee colony are fertile?
(a) Workers only
(b) Queen and drones
(c) Drones only
(d) Workers and drones
Show Answer & Explanation

Answer: (b) Queen and drones

Explanation:
1. The queen is a fertile female and drones are fertile males; workers are sterile females.

Teacher's Note:
1. Drones develop from unfertilised eggs.

Question 14: Honey is formed when the enzyme invertase converts nectar sucrose into
(a) glucose and galactose
(b) glucose and fructose
(c) maltose
(d) starch
Show Answer & Explanation

Answer: (b) glucose and fructose

Explanation:
1. Sucrose is hydrolysed to glucose and fructose, and workers evaporate extra water.

Teacher's Note:
1. Honey is the secondary product of apiculture; wax is the primary product.

Question 15: The round dance of honey bees indicates that the food source is
(a) more than 75 m away
(b) less than 75 m away
(c) in the direction opposite to the sun
(d) exactly 150 m away
Show Answer & Explanation

Answer: (b) less than 75 m away

Explanation:
1. The round dance shows a nearby source, within about 75 m; the tail-wagging dance shows a farther source.

Teacher's Note:
1. Karl von Frisch won the Nobel Prize in 1973 for this discovery.

Question 16: Hypophysation is used in
(a) sericulture
(b) pisciculture
(c) apiculture
(d) lac culture
Show Answer & Explanation

Answer: (b) pisciculture

Explanation:
1. Fish are induced to breed by injecting pituitary extract (or hCG).

Teacher's Note:
1. Hypo means below; the pituitary is below the brain.

Question 17: Which fish is used for biological control of mosquito larvae?
(a) Hilsa
(b) Gambusia
(c) Catla
(d) Rohu
Show Answer & Explanation

Answer: (b) Gambusia

Explanation:
1. Gambusia eats mosquito larvae.

Teacher's Note:
1. Biological control avoids chemical insecticides.

Question 18: Which of the following is a marine fish rich in omega-3 fatty acids?
(a) Catla
(b) Mackerel
(c) Mrigala
(d) Rohu
Show Answer & Explanation

Answer: (b) Mackerel

Explanation:
1. Marine fishes such as mackerel, sardine and hilsa are rich in omega-3 fatty acids; catla, rohu and mrigal are freshwater.

Teacher's Note:
1. The question is from a past NEET paper.

Question 19: Silk fibre of Bombyx mori is secreted by
(a) modified salivary glands of the caterpillar
(b) wax glands of the moth
(c) dermal glands of the pupa
(d) Malpighian tubules
Show Answer & Explanation

Answer: (a) modified salivary glands of the caterpillar

Explanation:
1. The silk glands of the larva are modified salivary glands.

Teacher's Note:
1. Silk is secreted by the larva but obtained from the cocoon.

Question 20: Tasar silk is obtained from
(a) Bombyx mori
(b) Antheraea mylitta
(c) Apis indica
(d) Apis dorsata
Show Answer & Explanation

Answer: (b) Antheraea mylitta

Explanation:
1. Antheraea mylitta, feeding on Asan and Arjun, yields tasar silk.

Teacher's Note:
1. Bombyx mori gives mulberry silk.

Question 21: Pebrine disease of silk worm is caused by a
(a) virus
(b) bacterium
(c) fungus
(d) protozoan
Show Answer & Explanation

Answer: (d) protozoan

Explanation:
1. Pebrine is caused by the protozoan Nosema bombycis.

Teacher's Note:
1. Green muscardine is fungal.

Question 22: Which one is mismatched?
(a) Bombyx mori - silk
(b) Pila globosa - pearl
(c) Apis indica - honey
(d) Kenia lacca - lac
Show Answer & Explanation

Answer: (d) Kenia lacca - lac

Explanation:
1. The lac insect is Laccifer (Tachardia) lacca; Kenia lacca is not correct. The other three pairs are right.

Teacher's Note:
1. This is a past NEET question; learn the scientific name of each product organism.

Question 23: Lac is a secretion of
(a) salivary glands
(b) dermal glands
(c) wax glands
(d) tear glands
Show Answer & Explanation

Answer: (b) dermal glands

Explanation:
1. Lac is secreted by the dermal glands of the lac insect.

Teacher's Note:
1. Wax glands are those of bees.

Question 24: The Central Inland Capture Fisheries Research Institute is located at
(a) Kochi
(b) Barrackpore
(c) Bhubaneswar
(d) Mysore
Show Answer & Explanation

Answer: (b) Barrackpore

Explanation:
1. CICFRI is at Barrackpore (West Bengal); CMFRI is at Kochi; CIFA is at Bhubaneswar.

Teacher's Note:
1. Match each institute with its city.

Question 25: Foot and mouth disease of cattle is caused by a
(a) virus
(b) bacterium
(c) fungus
(d) protozoan
Show Answer & Explanation

Answer: (a) virus

Explanation:
1. FMD is caused by a picornavirus.

Teacher's Note:
1. Rinderpest and cowpox are also viral.

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