NEET Biology Strategies for Enhancement In Food Production MCQs Set A

Question:  See the given steps that are related to plant breeding

a. Selection and testing of hybrid
b. Selection of parents
c. Germplasm collection
d. Crossing among selected parents
e. Testing and release of new cultivars
Select the correct order for these steps

• a)

  

• b)

  

• c)

  

• d) None of these

Answer:

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

• a) 33%
• b) 40%
• c) 42%
• d) 38%

Answer: 33%

Question: Agriculture sector of India, employs

• a) 62% of population
• b) 30% of pupulation
• c) 70% of population
• d) 50% of population

Answer: 62% of population

Question: P-1542 variety of the plant belongs to

• a) Pea
• b) Brassica
• c) Maize
• d) Wheat

Answer: Pea

Question:  _____ is the root of any plant breeding programme

• a) Genetic variability
• b) Mutation
• c) Micropropagation
• d) Testing and commercialisation of new cultivars

Answer:  Genetic variability

Question: 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
• c) Developed by Norman E. Borlaug
• d) Responsible for green revolution

Answer: These varieties were derived from IR-8

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

• a) Philippines
• b) Taiwan
• c) Canada
• d) Mexico

Answer: Philippines

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

• a) Taiwan
• b) Japan
• c) Mexico
• d) None of these

Answer: Taiwan

Question: IR-8 variety belongs to

• a) Rice
• b) Wheat
• c) Maize
• d) Sugarcane

Answer:  Rice

Question: Semi-dwarf rice varieties were introduced in India in

• a) 1966
• b) 1986
• c) 1970
• d) 1976

Answer: 1966

Question: Select correct statement w.r.t. Saccharum barberi

• a) Originally grown in north India
• b) They have high sugar content
• c) They have high yield per unit area of the field
• d) Presence of thicker stem as compared to S. officinarum

Answer: Originally grown in north India

Question: Select the incorrect statement w.r.t. Saccharum officinarum

• a) It has low sugar content
• b) It did not grow well in north India
• c) It is a tropical cane
• d) It had thicker stem

Answer:  It has low sugar content

Question:

• a) a(ii), b(iii), c(iv), d(i)
• b) a(ii), b(iv), c(iii), d(i)
• c) a(i), b(ii), c(iii), d(iv)
• d) a(iii), b(iv), c(i), d(ii)

Answer: a(ii), b(iii), c(iv), d(i)

Question: In mung bean resistance to yellow mosaic virus and powdery mildew were introduced by

• a) Mutation
• b) Selection
• c) Hybridisation
• d) Tissue culture

Answer: Mutation

Question: Select the variety developed by mutation breeding

• a) Sharbati Sonora
• b) Pusa Sadabahar
• c) Parbhani Kranti
• d) Pusa Swarnim

Answer: Sharbati Sonora

Question: ________ is the process by which genetic variation are created through changes in the base sequence within genes.

• a) Mutation
• b) Polyploidy
• c) Micropropagation
• d) Somatic hybrid

Answer: Mutation

Question: Plant variety himgiri is resistant to

• a) Leaf and stripe rust
• b) Bacterial blight
• c) Mosaic virus
• d) White rust

Answer: Leaf and stripe rust

Question: Insect resistance in host crop may be due to

• a) Morphological, biochemical or physiological character
• b) Physiological but not due to morphological character
• c) Biochemical but not due to morphological character
• d) Morphological but not due to biochemical character

Answer:  Morphological, biochemical or physiological character

Question: Resistance to jassids in cotton is releated to following character of cotton

• a) Morphological
• b) Biochemical
• c) Physiological
• d) Biochemical and physiological

Answer: Morphological

More Questions........................................

Question: Hairy leaves in cotton provide resistance against

• a) Jassids
• b) Fungal infection
• c) Sawfly
• d) Bollworm

Answer: Jassids

Question: Smooth leaved and nectarless cotton varieties do not attract

• a) Bollworm
• b) Sawfly
• c) Fungi
• d) Bacteria

Answer: Bollworm

Question: Resistance to cereal leaf beetle in wheat is due to

• a) Hairy leaves
• b) Solid stem
• c) High aspartic acid
• d) Smooth leaved trait

Answer: Hairy leaves

Question: ________ people in the world do not have adequate food to meet their daily requirements

• a) 840 million
• b) 10 million
• c) 3 billion
• d) 5 million

Answer: 840 million

Question: Atlas-66 is

• a) Wheat variety with high protein content
• b) Brassica variety with resistance against aphids
• c) Cowpea variety with resistance against bacterial blight
• d) Maize variety

Answer: Wheat variety with high protein content

Question: What is meant by single cell protein?

• a) Protein synthesised by microorganisms
• b) Protein synthesised by skin cell
• c) Unique protein synthesised by liver cell
• d) Unique protein synthesised by plant body

Answer: Protein synthesised by microorganisms

Question: Prokaryote that is considered as source of SCP is

• a) Spirulina
• b) Streptococcus
• c) Frankia
• d) Rhizobium

Answer: Spirulina

Question: Choose correct option w.r.t. tissue culture

• a) The whole plant can be regenerated from explant
• b) Only apical meristem part of plant can grow in test tube under sterile conditions
• c) It is not releated to totipotency
• d) Sterilisation is not a pre-requisite

Answer: The whole plant can be regenerated from explant

Question: Capacity of a plant cell to give rise to whole plant body is known as

• a) Totipotency
• b) Regeneration
• c) Budding
• d) Reproduction

Answer: Totipotency

Question: Somaclones are obtained by

• a) Tissue culture
• b) Genetic engineering
• c) Plant breeding
• d) Irradiation

Answer: Tissue culture

Question: Culturing meristem of banana, sugarcane and potato is primarily significant to produce

• a) Virus free plants
• b) Hybrid vigour
• c) Somatic hybrids
• d) Specific meristematic tissue

Answer: Virus free plants

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 wood
• d) Dead plant

Answer: Part of the plant used in tissue culture

Question: Select correct statement (w.r.t. somaclones)

• a) Somaclones of tomato and banana have been produced on commercial scale
• b) They are genetically not identical
• c) They are produced by sexual reproduction
• d) Can be generated in field

Answer: Somaclones of tomato and banana have been produced on commercial scale

Question: Select the incorrect option (w.r.t. tissue culture)

• a) Virus free part of plant – Flower
• b) Plant cell without cell wall – Protoplast
• c) Capacity to generate a whole plant – Totipotency
• d) Genetically identical – Somaclones

Answer:  Virus free part of plant – Flower

Question: Somatic hybridisation is accomplished by

• a) Fusion of two protoplast of different varieties of plants
• b) Chromosome doubling in androgenic culture
• c) Recombinant DNA technology
• d) Grafting between two varieties

Answer: Fusion of two protoplast of different varieties of plants

Question: An improved variety is

• a) Always superior to the other existing varieties
• b) May be superior to the other existing varieties
• c) Always inferior to the other existing varieties
• d) More than one options are correct

Answer: Always superior to the other existing varieties

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

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

Answer: Selective hybridisation

Question: 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 hybridisation and selection

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

Question: 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:  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:

• a) Sharbati Sonora
• b) Kalyan Sona
• c) HUW-468
• d) Sonalika

Answer: Sharbati Sonora

Question:  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: 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: Bread wheat is

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

Answer: T.aestivum

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

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

Answer: Polyploids

Question: 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: 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: Maize is rich in

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

Answer:  Thiamine

Question: Anti-nutritional neurotoxic factor called cyanoalanine is found in

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

Answer: Seeds of khesari

Question: 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

Question: Cereals and millets are mainly deficient in which amino acids?

• a) Both
• b) Sulphur containing amino acids-methionine and cysteine
• c) Lysine
• d) None of these

Answer: Both

Question: SCP has to be processed to remove excess of

• a) Nucleic acids
• b) Minerals
• c) Carbohydrates
• d) Proteins

Answer: Nucleic acids

Question: Tissue culture using axillary bud is recommended for

• a) Production of virus free plants
• b) Phytoremediation
• c) Induction of polyploidy
• d) Gene cloning

Answer: Production of virus free plants

Question: The optimum pH of a typical nutrient medium for plant tissue culture is

• a) 5.7
• b) 2.5
• c) 7
• d) 7.8

Answer:  5.7

Question: An embryoid is

• a) Somatic embryo developed in culture
• b) A microscopic embryo
• c) A monozygotic embryo formed by in vitro culture
• d) Haploid embryo

Answer: Somatic embryo developed in culture

Question: Embryo culture is used for

• a) Recovery of interspecific hybrids
• b) Haploid production
• c) Establishing suspension culture
• d) Somatic hybridisation

Answer:  Recovery of interspecific hybrids