Strategies for Enhancement in Food Production MCQs for ISC Class 12 Biology

Strategies for Enhancement in Food Production MCQs for ISC Class 12 Biology. These MCQs / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming Sem-2 exam of council. Visit official website CISCE for detail information about ISC Class-12 Biology.

Strategies for Enhancement in Food Production MCQs

Board	ISC
Class	12th (XII)
Subject	Biology
Chapter	Strategies for enhancement in Food Production
Syllabus	on bifurcated syllabus (after reduction)
Session	2021-22
Bifurcated	Sem-2
Topic	MCQs / Objective Type Question

MCQs Strategies for Enhancement in Food Production ISC Class 12 Biology

Question 1: Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of:

(a) shorter rice plant
(b) better irrigation facilities
(c) early yielding rice variety
(d) disease-resistant rice variety.

Answer : (c) early yielding rice variety

Question 2: Inbreeding is carried out in animal husbandry because it

(a) increases homozygosity

(b) increases heterozygosity

(d) increases vigour

Answer : (a) increases homozygosity

Question 3: Which of the following is incorrectly matched ?

Disease Causative organism
(a) Black rot of crucifers Bacteria
(b) Brown rust of wheat Fungi
(c) Late blight of potato Virus
(d) Red rot of sugarcane Fungi

Answer: (c) Late blight of potato Virus

Question 4: Which of the following dieases is caused by bacteria ?

(a) Tobacco mosaic
(b) Black rot of crucifers
(c) Red rot of sugarcane
(d) Lata blight of potato

Answer: (b) Black rot of crucifers

Question 5: Select the incorrect statement(s) (w.r.t. semi-dwarf varieties of wheat)

(a) These varieties were derived from IR-8

(b) Developed at International Centre for Wheat and Maize Improvement in Mexico

(d) Responsible for green revolution

Answer: (a) These varieties were derived from IR-8

Question 6: International Rice Research Institute (IRRI) is situated at

(a) Philippines

(b) Taiwan

(d) Mexico

Answer: (a) Philippines

Question 7: Taichung Native I variety of rice was developed in which of the following country?

(a) Taiwan

(b) Japan

(d) None of these

Answer: (a) Taiwan

Question 8: Black rust of wheat is caused by

(a) Puccinia
(b) Albugo
(c) Ustilagp
(d) Cystopus

Answer: (a) Puccinia

Question 9: Which of the following is incorrectly paired ?

(a) What – Himgiri
(b) Milch breed – Sahiwal
(c) Rice – Ratna
(d) Pusa Komal – Brassica

Answer: (d) Pusa Komal – Brassica

Question 10: The yellow mosaic virus-resistant variety “Parbhani Kranti” belongs to

(a) bhindi
(b) barley
(c) chilli
(d) cauliflower

Answer: (a) bhindi

Question 11: Inbreeding depression

(a) usually increases fertility only.
(b) usually reduces productivity only.
(c) usually reduces fertility and productivity.
(d) usually increases fertility and productivity.

Answer : (c) usually reduces fertility and productivity.

Question 12: P-1542 variety of the plant belongs to

(a) Pea

(b) Brassica

(d) Wheat

Answer: (a) Pea

Question 13: Which one of the following is a new breed of sheep developed in Punjab by crossing Bikaneri ewes and Marino rams?

(a) Hisardale

(b) White Leghorn

(d) Langshan

Answer : (a) Hisardale

Question 14: Maize generates resistance against stem borers by having

(a) low aspartic acid, high nitrogen and sugar content
(b) low aspartic acid and sugar but high nitrogen content
(c) high aspartic acid and nitrogen but low sugar content
(d) high aspartic acid, low nitrogen and sugar content

Answer: (d) high aspartic acid, low nitrogen and sugar content

Question 15: The agriculture sector of India employs about

(a) 50 percent of the population
(b) 70 percent of the population
(c) 30 percent of the population
(d) 60 percent of the population

Answer: (d) 60 percent of the population

Question 16: 33 percent of India’s (Gross Domestic Product) comes from

(a) industry
(b) agriculture
(c) export
(d) small-scale cottage industries

Answer: (b) agriculture

Question 17: Meristem culture is the cultue of

(a) axillary or apical shoot meristems
(b) anthers
(c) plant seeds
(d) young embryos

Answer: (a) axillary or apical shoot meristems

Question 18: The enzymes required to obtain protoplast from a plant cell are

(a) cellulase
(b) chitinase
(c) pectinase
(d) both (a) and (c)

Answer: (d) both (a) and (c)

Question 19: Sonalikea and Kalyan Sona are varieties of

(a) wheat
(b) rice
(c) millet
(d) tobacco

Answer: (a) wheat

Question 20: The chances of contracting bird flu from a properly cooked (above 100°C) chicken and egg are

(a) very high
(b) high
(c) moderate
(d) none

Answer: (d) none

Question 21: A group of animals which are related by descent and share many similarities are referred to as

(a) breed
(b) race
(c) variety
(d) species

Answer: (a) breed

Question 22: A branch of science that deals with the maintenance of hives of honeybees for the production of honey is called

(a) aquaculture

(b) pisciculture

(d) sericulture

Answer : (c) apiculture

Question 23: Zoological name of Indian buffalo is:

(a) Bubalus bubalus
(b) Bos indicus
(c) Bos taurus
(d) Gallusgallus

Answer : (a) Bubalus bubalus

Question 24: Inbreeding is carried out in animal husbandry because it

(a) increases vigour
(b) improves the breed
(c) increases heterozygosity
(d) increases homozygosity

Answer: (d) increases homozygosity

Question 25: Agriculture sector of India, employs

(a) 62% of population

(b) 30% of pupulation

(d) 50% of population

Answer: (a) 62% of population

Question 26: 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

Answer: (c) Black rot of crucifers

Question 27: 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

Answer: (b) kill pathogenic fungi and bacteria, respectively

Question 28: 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

Answer: (a) availability of desirable gene in the crop and its wild relatives

Question 29: The best milk breed in the world is:

(a) Chittgong
(b) Deoni
(c) Holstein-Friesian
(d) Sindhi

Answer : (c) Holstein-Friesian

Question 30: Lysine and tryptophan are

(a) proteins
(b) non-essential amino acids
(c) essential amino acids
(d) aromatic amino acids

Answer: (c) essential amino acids

Question 31: Micropropagation is

(a) propagation oif microbes in vitro
(b) propagation of plants in vitro
(c) propagation of cells in vitro
(d) growing plants on smaller scale

Answer: (b) propagation of plants in vitro

Question 32: Hairy leaves of many plants are associated with

(a) resistance to insect pests
(b) resistance to viruses
(c) resistance to fungi
(d) resistance to bacteria

Answer: (a) resistance to insect pests

Question 33: Resistance to jassids in cotton plants and to cereal leaf beetle in wheat plants is due to

(a) biochemical characters
(b) physiological characters
(c) morphological characters
(d) none of these

Answer: (c) morphological characters

Question 34: Protoplast is

(a) another name for protoplasm
(b) an animal cell
(c) a plant cell without a cell wall
(d) a plant cell

Answer: (c) a plant cell without a cell wall

Question 35: Which one of the following products of apiculture is used in cosmetics and polishes ?

(a) Honey
(b) Oil
(c) Wax
(d) Royal jelly

Answer: (c) Wax

Question 36: More than 70 percent of livestock population is in

(a) Denmark
(b) India
(c) China
(d) India and China

Answer: (d) India and China

Question 37: A plant cell without cell wall is called

(a) proplast
(b) protoplast
(c) nucleoplasm
(d) explant

Answer: (b) protoplast

Question 38: A somatic hybird between potato and tomato is named as

(a) bomato
(b) mopato
(c) pomato
(d) topamo

Answer: (c) pomato

Question 39: India is mainly an agricultural country. Agriculture accounts for approximately ______ of India’s GDP

(a) 33%

(b) 40%

(d) 38%

Answer: (a) 33%

Question 40: _____ is the root of any plant breeding programme

(a) Genetic variability

(b) Mutation

(d) Testing and commercialisation of new cultivars

Answer: (a) Genetic variability

Question 41: In honey, the main constituent is

(a) calcium
(b) sugar
(c) protein
(d) water

Answer: (b) sugar

Question 42: Turnip mosaic disease is caused by

(a) bacteria
(b) viruses
(c) nematodes
(d) fungi

Answer: (b) viruses

Question 43: To isolate protoplast, one needs

(a) pectiriase
(b) cellulase
(c) both pectinase and cellulase
(d) chitinase

Answer: (c) both pectinase and cellulase

Question 44: Which one of the following is a marine fish ?

(a) Rohu
(b) Hilsa
(c) Catla
(d) Common Carp

Answer: (b) Hilsa

Question 45: When breeding is between animals of the same breed it is called ______________, while crosses between different breeds are called

(a) out-breeding; inbreeding
(b) inbreeding; out-breeding
(c) out breeding; cross-breeding
(d) cross-breeding; inbreeding

Answer : (b) inbreeding; out-breeding

Question 46: Which of the following dieases is caused by virus ?

(a) Tobacco mosaic
(b) Late blight of potato
(c) Turnip mosaic
(d) Both (a) and (c)

Answer: (d) Both (a) and (c)

Question 47: The ‘mule’ is the result of

(a) inbreeding depression
(b) out-breeding
(c) cross-breeding
(d) inter-specific hybridization

Answer : (d) inter-specific hybridization

Question 48: MOET stands for

(a) Multiple Ovulation and Embryo Transfer Technology
(b) Multiple Ovulation Energy Transport Technology
(c) Method of Ovulation Energy Transfer Technology
(d) Method of Ovulation Energy Transport Technology

Answer : (a) Multiple Ovulation and Embryo Transfer Technology

Question 49: Which of the following stage is transferred to surrogate mothers in livestock breeding experiments?

(a) Unfertilized eggs

(b) Fertilized eggs

(d) Frozen semen

Answer : (c) 8 to 32 celled embryo

Question 50: In virus-infected plants the meristematic tissues in both apical and axillary buds are free of virus because:

(a) the dividing cells are virus resistant
(b) meristems have anti-viral compounds
(c) the cell division of meristems is faster than the rate of viral multiplication
(d) viruses cannot multiply within meristem cell (s).

Answer : (c) the cell division of meristems is faster than the rate of viral multiplication

–: End of MCQs Strategies for Enhancement in Food Production :–

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