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Agriculture MCQs

Option A: Occurrence of crossing over

Option B: The crossing over between non homologous chromosomes

Option C: Occurrence of karyokinesis

Option D: The failure of homologous chromosomes to separate during meiosis

Correct Answer: The failure of homologous chromosomes to separate during meiosis


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Option A: 1:1

Option B: 1:2

Option C: 2:1

Option D: 3:1

Correct Answer: 1:1


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Option A: Confers

Option B: Mosses

Option C: grasses

Option D: Gymnosperm

Correct Answer: grasses


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Option A: They showed one type of flowers

Option B: they belong to the family leguminous

Option C: The seven characters he studied were on different chromosomes

Option D: They have round seeds with lot of proteins

Correct Answer: The seven characters he studied were on different chromosomes


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Option A: Mutation

Option B: Genetics

Option C: Genetics

Option D: Hybridization

Correct Answer: Genetics


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Option A: History of development of larger biological units

Option B: Cntinuous genetic variation

Option C: Inheritance of acquired characters

Option D: Discontinuous genetic variation

Correct Answer: Inheritance of acquired characters


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Option A: Dominance

Option B: Cytoplasm inheritance

Option C: Incomplete dominance

Option D: Chromosomal inheritance

Correct Answer: Dominance


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Option A: Cross breeding

Option B: Back crossing

Option C: Self fertilization

Option D: Inbreeding

Correct Answer: Back crossing


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Option A: Atavism

Option B: Auxotroph

Option C: Axoneme

Option D: Armor

Correct Answer: Armor


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Option A: Heterocyst

Option B: Hetropyenosis

Option C: Hypostasis

Option D: Epistastasis

Correct Answer: Heterocyst


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Option A: Single gene may produce multiple effects

Option B: Dominance may be incomplete

Option C: The environment effects the expression of genetic character

Option D: Genetic trails are influence by many genes

Correct Answer: The environment effects the expression of genetic character


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Option A: 12

Option B: 24

Option C: 22

Option D: 23

Correct Answer: 23


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Option A: Dominant lethal genes in heterozygous individuals

Option B: Dominant lethal genes in homozygous individuals

Option C: Dominant epistasis

Option D: None of the above

Correct Answer: Dominant lethal genes in homozygous individuals


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Option A: 100,000,000 years

Option B: 200,000,000 ears

Option C: 300,000,000 years

Option D: Still occurring

Correct Answer: 200,000,000 ears


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Option A: Lamark’s idea on inheritance of acquired character’s

Option B: Mathis’s essay on population

Option C: Mendes’s experiment on pea

Option D: De Vries theory of mutation

Correct Answer: De Vries theory of mutation


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Option A: DDT

Option B: X-rays

Option C: Gibberrellic acid

Option D: Auxins

Correct Answer: Gibberrellic acid


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Option A: Recessive

Option B: Incomplete dominant

Option C: Mutant

Option D: Dominant

Correct Answer: Incomplete dominant


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Option A: There are many alleles of each gene in each call

Option B: There are two alleles of each gene in each cell

Option C: There is only one alleles of each gene present in each cell

Option D: Non3e4 of the above

Correct Answer: There is only one alleles of each gene present in each cell


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Option A: Heterogeneous

Option B: Heterozygous

Option C: Homogenous

Option D: Homozygous

Correct Answer: Heterozygous


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Option A: One gene pair enhances phenotype expression of another gene pair

Option B: Many gene together control a parucular phenotype

Option C: One pair of gene can completely mask the expression of another gene pair

Option D: One gene pair independently controls a phenotype

Correct Answer: One pair of gene can completely mask the expression of another gene pair


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Option A: Mathis

Option B: Mendel

Option C: Darwin

Option D: Haldane

Correct Answer: Mathis


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Option A: Watson

Option B: Crick

Option C: Koruna

Option D: Morgan

Correct Answer: Koruna


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Option A: Ratio of phenotypes is 3:1

Option B: Ratio of genotypes is 3:1

Option C: Phenotypic ratio corresponds to the genotypic ratio

Option D: None of the above

Correct Answer: Phenotypic ratio corresponds to the genotypic ratio


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Option A: Incomplete

Option B: Complete dominance

Option C: Over dominance

Option D: All the above

Correct Answer: All the above


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Option A: Incompatible

Option B: Partially fertile

Option C: Sterile

Option D: Fully fertile

Correct Answer: Fully fertile


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Option A: 70

Option B: 20

Option C: 90

Option D: 95

Correct Answer: 70


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Option A: Scarification

Option B: Seed risking

Option C: Seed cot removal

Option D: All the above

Correct Answer: Scarification


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Option A: Lena sativa

Option B: Nicotine sandarac

Option C: Set aria sphacelata

Option D: Scale cereals

Correct Answer: Nicotine sandarac


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Option A: Mutable gene

Option B: Mutator gene

Option C: Recepror gene

Option D: Articulator gene

Correct Answer: Mutable gene


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Option A: Van der plank (1963)

Option B: Karpechenko (1927)

Option C: Hull (1945)

Option D: Correns (1900)

Correct Answer: Van der plank (1963)


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Option A: Solanaceae

Option B: Cruciferae

Option C: Cucurbitaceae

Option D: Legumunaceae

Correct Answer: Cucurbitaceae


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Option A: Beautification

Option B: Seasonal fruit

Option C: Medicinal plant

Option D: Nutritive forage

Correct Answer: Nutritive forage


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Option A: Attmann (1889)

Option B: Crick (1953)

Option C: Sressler (1968)

Option D: Avery et al (1944)

Correct Answer: Avery et al (1944)


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Option A: Iubreeding

Option B: Out breeding

Option C: Random mating

Option D: Selective mating

Correct Answer: Random mating


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Option A: Recon

Option B: Muton

Option C: Cistron

Option D: Complan

Correct Answer: Recon


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Option A: Operator gene

Option B: Structural gene

Option C: Regulator gene

Option D: Promotor gene

Correct Answer: Regulator gene


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Option A: Low mutation population

Option B: High mutation ratio and small population

Option C: Selective mating and small population

Option D: No migration and large population

Correct Answer: High mutation ratio and small population


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Option A: Varies with the age

Option B: Coustant for all organismes

Option C: Constant for particular organism

Option D: None of the above

Correct Answer: Coustant for all organismes


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Option A: Chloroplast

Option B: Mitochondna

Option C: Golgi bodies

Option D: RNA

Correct Answer: Mitochondna


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Option A: Ribosomes

Option B: Centrosomes

Option C: Microsomes

Option D: Lysosmes

Correct Answer: Lysosmes


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Option A: Icygen

Option B: Carbon

Option C: Hybrogen

Option D: Nitrogen

Correct Answer: Hybrogen


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Option A: Thymine

Option B: Argenine

Option C: Cystine

Option D: Uracil

Correct Answer: Uracil


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Option A: Chromosome number

Option B: RNA

Option C: DNA

Option D: Chromosome structure

Correct Answer: Chromosome number


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Option A: Bacterium

Option B: Virus

Option C: Fungus

Option D: Algae

Correct Answer: Virus


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Option A: DNA

Option B: RNA

Option C: ATP

Option D: DNA/RNA

Correct Answer: ATP


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Option A: Watson and Crick

Option B: Scheiiden and Schwann

Option C: Sarwin and Wallace

Option D: Morgan

Correct Answer: Scheiiden and Schwann


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Option A: Plastids

Option B: Ribosomes

Option C: Mitochondria

Option D: Leucoplasts

Correct Answer: Plastids


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Option A: Discovery of gene

Option B: Principles of linkage

Option C: heredity theory

Option D: Rediscovery of Mendel’s

Correct Answer: D. Rediscovery of Mendel’s


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Option A: Punneu square

Option B: Morgan square

Option C: Mendel square

Option D: Bateson square

Correct Answer: Mendel square


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Option A: Allopolyploid

Option B: Autopolyploid

Option C: Aneuploid

Option D: Euploid

Correct Answer: Aneuploid


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Option A: Triploid

Option B: Teuaplioid

Option C: Hexaploid

Option D: Oetaploid

Correct Answer: Hexaploid


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Option A: Endosperm cell

Option B: Leaf cells

Option C: Cotyledonary cell

Option D: Synergids

Correct Answer: Synergids


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A. 10 chromosomes
B. 20 chromosomes
C. 40 chromosomes

Correct Answer: 20 chromosomes


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Option A: 8

Option B: 32

Option C: 64

Option D: 120

Correct Answer: 8


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Option A: Produces identical cells

Option B: Restores original number of chromosomes

Option C: Occurs only in somatic

Option D: Doubling of DNA content in the cell

Correct Answer: Restores original number of chromosomes


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Option A: Fat synthesis

Option B: Starch synthesis

Option C: Protein synthesis

Option D: Anaerobic respiration

Correct Answer: Protein synthesis


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Option A: Flower

Option B: Fruit

Option C: Bud

Option D: Inflorescence

Correct Answer: Inflorescence


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Option A: Pith cells

Option B: Cortex cells

Option C: Internodes regions

Option D: Tips of stem & roots

Correct Answer: Tips of stem & roots


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Option A: Dominant

Option B: Recessive

Option C: Non-genetic

Option D: Unexpressive

Correct Answer: Recessive


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Option A: Self incompatibility

Option B: Male sterility

Option C: Female sterility

Option D: All the above

Correct Answer: Male sterility


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Option A: Unmalted potatoes

Option B: Fermented fruit juice

Option C: Unmalted cereals

Option D: Unrefined products of sugarcane

Correct Answer: Unrefined products of sugarcane


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Option A: Unexcelled endocarp hair

Option B: Unicelled placenta hairs

Option C: Multicelled endocarpic hair

Option D: Multicelled placental hairs

Correct Answer: Multicelled endocarpic hair


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Option A: Root

Option B: Stem

Option C: leaves

Option D: Scale leaves

Correct Answer: leaves


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Option A: Gram

Option B: Tomato

Option C: Onion

Option D: all the above

Correct Answer: all the above


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Option A: Onion

Option B: Tomato

Option C: Cotton

Option D: Sorghum

Correct Answer: Cotton


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Option A: Pollen tube

Option B: Anther

Option C: Style

Option D: Ovule

Correct Answer: Ovule


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Option A: Bad odour of soil

Option B: Much sugar

Option C: Sulphur compounds

Option D: Freshy leaves

Correct Answer: Sulphur compounds


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Option A: Fruit without pollination

Option B: Seed without fertilization

Option C: fruit without fertilization

Option D: Only seed and no fruit

Correct Answer: fruit without fertilization


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Option A: Cowpeas

Option B: Berseem

Option C: Sorghum

Option D: Luceru

Correct Answer: Luceru


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Option A: 400 meters

Option B: 800 meters

Option C: 200 meters

Option D: 100 meters

Correct Answer: 400 meters


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Option A: Nucleus seed

Option B: Breeder seed

Option C: Foundation seed

Option D: Certified seed

Correct Answer: Breeder seed


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Option A: Geneva

Option B: 50 meters

Option C: 200 meters

Option D: 3 meters

Correct Answer: 200 meters


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Option A: Imperfect

Option B: Perfect

Option C: Positive

Option D: Negative

Correct Answer: Perfect


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Option A: Frankel (1977)

Option B: Bresbaker (1958)

Option C: Hughes and Babceek

Option D: East and Mangelsdref (1925)

Correct Answer: East and Mangelsdref (1925)


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Option A: RBD

Option B: SPD

Option C: AD

Option D: LSD

Correct Answer: LSD


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Option A: Tall, leafy, high leaf/stem ratio

Option B: Dwarf stature

Option C: Late resistance to disease

Option D: Dwarf, late green

Correct Answer: Tall, leafy, high leaf/stem ratio


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Option A: Oat

Option B: Sorghum

Option C: Wheat

Option D: Rice

Correct Answer: Wheat


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Option A: Model plant type

Option B: Good plant model

Option C: Ideal plant type

Option D: All the above

Correct Answer: All the above


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Option A: Deep root system

Option B: Small waxy and thick leaves

Option C: Sunken, small and less stomata

Option D: All of the above

Correct Answer: All of the above


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Option A: Biochemical factors

Option B: Physiological factors

Option C: Morphological factors

Option D: all the above

Correct Answer: all the above


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Option A: High aspartic acid

Option B: Waxiness of leaves

Option C: High silica content

Option D: High benzol alcohol

Correct Answer: Waxiness of leaves


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Option A: Plasma genes

Option B: Polygenes

Option C: Oligogenes

Option D: All the above

Correct Answer: All the above


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Option A: Purple stigma

Option B: Low aspergine

Option C: Red pericarp

Option D: All the above

Correct Answer: All the above


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Option A: Race specific

Option B: Oligogenic

Option C: Qualitative

Option D: All the above

Correct Answer: All the above


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Option A: Rice

Option B: Wheat

Option C: Barley

Option D: Maize

Correct Answer: Rice


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Option A: deVries (1900)

Option B: Morgan (1910)

Option C: Stadler (1928)

Option D: Wright (1791)

Correct Answer: Wright (1791)


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Option A: Mutator gene

Option B: Antimutalor gene

Option C: Mutable gene

Option D: Hot spot

Correct Answer: Mutable gene


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Option A: Datura

Option B: Rye

Option C: Brassica

Option D: Oat

Correct Answer: Datura


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Option A: Nullisomic

Option B: Monosomic

Option C: Trisomic

Option D: Tetrasomic

Correct Answer: Monosomic


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Option A: Plant breeder

Option B: Agronomist

Option C: Horticulturist

Option D: Pathologist

Correct Answer: Horticulturist


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Option A: Greshof and Doy (1972)

Option B: Tyagi and Prasad (1965)

Option C: Mehta and Upadhya (1960)

Option D: Singh (1960)

Correct Answer: Greshof and Doy (1972)


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Option A: Better parent

Option B: Mid parent

Option C: Standard parent

Option D: Popular variety

Correct Answer: Better parent


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Option A: Hybrid

Option B: Top cross

Option C: Poly cross

Option D: Inbred

Correct Answer: Inbred


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Option A: Hull (1945)

Option B: Bruce (1910)

Option C: East (1908)

Option D: Shull (1914)

Correct Answer: Shull (1914)


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Option A: Davenport (1908)

Option B: Shull (1914)

Option C: Bruce (1910)

Option D: Davis (1927)

Correct Answer: Davenport (1908)


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Option A: Typsin inhibitor

Option B: Goiterogens

Option C: Both A & B

Option D: Neither

Correct Answer: Both A & B


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Option A: Methionine

Option B: Arginine

Option C: Lysine

Option D: Trytophan

Correct Answer: Methionine


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Option A: Lysine

Option B: Threamine

Option C: Tryptophan

Option D: Methionine

Correct Answer: Tryptophan


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Option A: Oil

Option B: Protein

Option C: Vitamin

Option D: All the above

Correct Answer: All the above


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Option A: Pearl millet

Option B: Berseem

Option C: Lucem

Option D: Sorghum

Correct Answer: Sorghum


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