Practice CBSE Class 12 Biology Strategies for Enhancement in Food Production MCQs Set C provided below. The MCQ Questions for Class 12 Chapter 9 Strategies for Enhancement in Food Production Biology with answers and follow the latest CBSE/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for CBSE Class 12 Biology and also download more latest study material for all subjects
MCQ for Class 12 Biology Chapter 9 Strategies for Enhancement in Food Production
Class 12 Biology students should review the 50 questions and answers to strengthen understanding of core concepts in Chapter 9 Strategies for Enhancement in Food Production
Chapter 9 Strategies for Enhancement in Food Production MCQ Questions Class 12 Biology with Answers
Question : Honey is
a) acidic
b) neutral
c) alkaline
d) basic after some days
Answer : A
Question : High milk yielding varieties of cows are ob- tained by
a) super ovulation
b) artificial insemination
c) use of surrogate mother
d) All of the above
Answer : D
Question : Of the world’s top five crops (in terms of an- nual production
a) three belong to Poaceae (Gramineae), one to Leguminosae, one to Solanaceae
b) four be long to Poaceae , one to Leguminosae
c) four belong to Poaceae, one to Solanaceae
d) all five belong to Poaceae
Answer : C
Question : Which plant will loss its economic value, if its fruits are produced by induced partheno- carpy ?
a) Grape
b) Pomegranate
c) Orange
d) Banana
Answer : B
Question : The reason why vegetatively reproducing crop plants are best suited for maintaining hybrid vigour is that
a) they can be easily propagated
b) they have a longer life span
c) they are more resistant to disease
d) once a desired hybrid is produced, there are no chances of losing it
Answer : D
Question : The term aquaculture means
a) aspergillosis
b) inland fisheries
c) marine fisheries
d) Both b) and c)
Answer : D
Question : The new varieties of plants are produced by
a) selection and hybridization
b) selection and introduction
c) mutation and selection
d) introduction and mutation
Answer : A
Question : One of the most important reason why wild plants should thrive is that these are good sources of
a) unsaturated edible oils
b) highly nutritive animals feed
c) genes for resistance to diseases and pests
d) rare and highly sought after fruits of medical importance
Answer : C
Question : Before the European invaders which veg- etable was/were absent in India ?
a) Potato and tomato
b) Simla mirch and brinjal
c) Maize and chichinda
d) Bitter gourd
Answer : A
Question : Which statement is correct about centre of origin of plants?
a) More diversity in varieties
b) Frequency of dominant gene is more
c) Climatic conditions more favourable
d) None of the above
Answer : A
Question : Which of the following crops have been brought to India from New world ?
a) Cashewnut, potato, rubber
b) Mango, tea
c) Tea, rubber, mango
d) Coffee
Answer : A
Question : India’s wheat yield revolution in the 1960s was possible primarily due to
a) hybrid seeds
b) increased chlorophyll content
c) mutations resulting in plant height reduction
d) quantitative trait mutations
Answer : C
Question : The name of Norman Borlaug is associated with
a) Green revolution
b) Yellow revolution
c) White revolution
d) Blue revolution
Answer : A
Question : The world’s highly prized wool yielding ‘Pashmina’ breed is
a) sheep
b) goat
c) goat-sheep cross
d) Kashmiri sheep-Afghan sheep cross
Answer : B
Question : Which of the following is generally used for induced mutagenesis in crop plants ?
a) Alpha particles
b) X-rays
c) UVrays (260 nm)
d) Gamma rays (from cobalt 60)
Answer : D
Question : Why is vivipary an undesirable character for annual crop plants ?
a) It reduces the vigour of plant
b) The seeds cannot be stored under normal conditions for the next season
c) The seeds exhibit long dormancy
d) It adversely affects the fertility of the plant
Answer : B
Question : Three crops that contribute maximum to glo- bal food grain production are
a) wheat, rice and maize
b) wheat, maize and sorghum
c) rice, maize and sorghum
d) wheat, rice and barley
Answer : A
Question : Crop plants grown in monoculture are
a) low in yield
b) free from intraspecific competition
c) characterized by poor root system
d) highly prone to pests
Answer : D
Question : Triticale, the first man-made cereal crop, has been obtained by crossing wheat with
a) rye
b) pearl millet
c) sugarcane
d) barley
Answer : A
Question : Parthenocarpic tomato fruits can be pro- duced by
a) removing androecium of flowers before pollen grains are released
b) treating the plants with low concentra- tions of gibberellic acid and auxins
c) raising the plants from vernalized seeds
d) treating the plants with phenyl mercuric acetate
Answer : B
Question : Which one of the following pair of organ- isms are exotic species introduced in India ?
a) Ficus religiosa, Lantana camara
b) Lantana camara, Water hyacinth
c) Water hyacinth, Prosopis cinereria
d) Nile perch, Ficus religiosa
Answer : C
Question : Which one of the following is/are marine fish?
a) Rohu
b) Hilsa
c) Mackerel
d) Both b) and c)
Answer : D
Question : 33 percent of India’s GDP (Gross Domestic Product) comes from ______________ and employs _____________ percent of the population.
a) industry; 70
b) agriculture; 62
c) export; 30
d) agriculture; 75
Answer : B
Question : The new varieties of plants are produced by
a) selection and hybridization.
b) mutation and selection.
c) introduction and mutation.
d) selection and introduction.
Answer : A
Question : Which of the following is a variety of Brassica resistant to white rust disease?
a) Himgiri
b) Pusa komal
c) Pusa swarnim (Karan rai)
d) Pusa Sadabahar
Answer : C
Question : Pusa Snowball K–1 is a variety of
a) wheat
b) chilli
c) cowpea
d) cauliflower
Answer : D
Question : Which of the following processes is used for creating genetic variation by changing the base sequence within genes resulting in the creation of a new character or trait not found in the parental type?
a) Selection
b) Hybridization
c) Mutation
d) Breeding
Answer : C
Question : Which of the following is generally used for induced mutagenesis in crop plants?
a) X-rays
b) UV (260 nm) radiations
c) Gamma rays (from cobalt 60)
d) Alpha particles
Answer : C
Question : Which one of the following technique is used for the manipulation of plant species in order to create desired plant types that are better suited for cultivation and give better yields and are disease resistant?
a) Out-breeding
b) Out-crossing
c) Cross-breeding
d) Plant breeding
Answer : D
Question : The entire collection (of plants/ seeds) having all the diverse alleles for all genes in a given crop is called _________. collection.
a) germplasm
b) genome
c) genebank
d) genotype
Answer : C
Question : In Abelmoschus esculentus (bhindi), resistance genes are transferred from a wild species against yellow mosaic virus and resulted in a new variety of A. Esculentus called _____
a) Pusa swarnim
b) Himgiri
c) Pusa sadabahar
d) Parbhani kranti
Answer : D
Question : Given below are a few statements regarding somatic hybridization. Choose the correct statements.
i) protoplasts of different cells of the same plant are fused
ii) protoplasts from cells of different species can be fused
iii) treatment of cells with cellulase and pectinase is mandatory
iv) the hybrid protoplast contains characters of only one parental protoplast.
a) (ii) and (iii)
b) (iii) and (ii)
c) (i) and (ii)
d) (ii) and (iii)
Answer : A
Question : An explant is:
a) part of the plant used in tissue culture
b) part of the plant that expresses a specific gene
c) part of the plant
d) dead plant
Answer : A
Question : The biggest constraint of plant breeding is
a) transfer of genes from unrelated sources.
b) trained manpower
c) availability of desirable gene in the crop and its wild relatives
d) infrastructure
Answer : A
Question : Lysine and tryptophan are
a) essential amino acids
b) aromatic and no acids
c) non-essential amino acids
d) proteins
Answer : A
Question : Micro-propagation is
a) propagation of plants in vitro
b) propagation of microbes in vitro
c) propagation of cells in vitro
d) growing plants on smaller scale
Answer : A
Question : Protoplast is:
a) a plant cell without a cell wall
b) a plant cell
c) an animal cell
d) another name for protoplasm
Answer : A
Question : Cod liver oil is rich in
a) Cod liver oil is rich in
b) K vitamin
c) C vitamin
d) None of these
Answer : A
Question : Cross between two species of the same genus is
a) Cross between two species of the same genus is
b) Cross between two species of the same genus is
c) Interspecific hybridisation
d) Intergeneric hybridisation
Answer : A
Question : ___________ is a breed of cattle
a) Jersey
b) Merino
c) Herdwick
d) None of these
Answer : A
Question : Gobar gas plants use __________ bacteria
a) Methanogenic
b) Cyanogenic
c) Oncogenic
d) Pyogenic bacteria
Answer : A
Question : To isolate protoplast, one needs
a) both pectinase and cellulase
b) chitinase.
c) cellulase
d) pectinase
Answer : A
Question : Which one of the following is a marine fish
a) Hilsa
b) Rohu
c) Catla
d) Common Carp.
Answer : A
Question : Which one of the following products of apiculture is used in cosmetics and polishes
a) wax
b) Royal jelly
c) honey
d) oil
Answer : A
Question : More than 70 per cent of livestock population is in
a) India and China
b) China
c) India
d) Denmark
Answer : A
Question : The agriculture sector of India employs
a) 62 per cent of the population.
b) 30 per cent of the population
c) 70 per cent of the population
d) 60 per cent of the population
Answer : A
| CBSE Class 12 Biology Reproductive Health MCQs Set A |
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| CBSE Class 12 Biology Reproductive Health MCQs Set C |
| CBSE Class 12 Biology Ecosystem MCQs Set A |
| CBSE Class 12 Biology Ecosystem MCQs Set B |
| CBSE Class 12 Biology Ecosystem MCQs Set C |
| CBSE Class 12 Biology Ecosystem MCQs Set D |
Important Practice Resources for Class 12 Biology
MCQs for Chapter 9 Strategies for Enhancement in Food Production Biology Class 12
Students can use these MCQs for Chapter 9 Strategies for Enhancement in Food Production to quickly test their knowledge of the chapter. These multiple-choice questions have been designed as per the latest syllabus for Class 12 Biology released by CBSE. Our expert teachers suggest that you should practice daily and solving these objective questions of Chapter 9 Strategies for Enhancement in Food Production to understand the important concepts and better marks in your school tests.
Chapter 9 Strategies for Enhancement in Food Production NCERT Based Objective Questions
Our expert teachers have designed these Biology MCQs based on the official NCERT book for Class 12. We have identified all questions from the most important topics that are always asked in exams. After solving these, please compare your choices with our provided answers. For better understanding of Chapter 9 Strategies for Enhancement in Food Production, you should also refer to our NCERT solutions for Class 12 Biology created by our team.
Online Practice and Revision for Chapter 9 Strategies for Enhancement in Food Production Biology
To prepare for your exams you should also take the Class 12 Biology MCQ Test for this chapter on our website. This will help you improve your speed and accuracy and its also free for you. Regular revision of these Biology topics will make you an expert in all important chapters of your course.
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