agriculture MCQs – Page 66

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

1301. After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?
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A. Homozygous

B. Heterozygous

C. Heterogeneous

D. Homogenous

1302. Gametophytic self incompatibility was first reported in___________________?
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A. Set aria sphacelata

B. Lena sativa

C. Scale cereals

D. Nicotine sandarac

1303. Pure line theory was developed by_______________?
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A. Mather (1951)

B. Thoday (1960)

C. Allard (1957)

D. Johannsen (1903)

1304. The value of regression and correlation is the same when the correlation between two variables is________________?
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A. Negative

B. Perfect

C. Imperfect

D. Positive

1305. Who discovered ribosomes__________________?
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A. Garner

B. Palade

C. Altmann

D. Cowdry

1306. Plants having monoecious flowers are found in____________________?
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A. Caster

B. Colocasia

C. All the above

D. Maize

1307. Drought is measured in terms of________________?
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A. Yield performance

B. Photosynthesis

C. Root length of seedings

D. All the above

1308. Blackeselee reported the first case of monoploid in__________________?
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A. Rye

B. Brassica

C. Oat

D. Datura

1309. The smallest unit of recombination in the chromosome is called___________________?
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A. Citron

B. Chromosome

C. Recon

D. Gene

1310. The new crop critical has been evolved by intervener hybridization between________________________?
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A. Wheat & Anglos

B. Rice & maize

C. Wheat & rice

D. Rye & Wheat

1311. Low magnitude of genotype x environmental interaction indicates__________________?
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A. Stability

B. High buffering capacity

C. Low buffering capacity

D. Adaptability

1312. The significance of difference among several means is tested with the help of____________________?
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A. Z-test

B. F-test

C. t-test

D. x-test

1313. The protein synthesizing system is associated with_____________________?
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A. Mitochondria

B. Ribosomes

C. Episodes

D. Microtubules

1314. Occurrence of cells in diploid organisms containing multiples of the 2n genomes is known as____________________?
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A. Amphidiploids

B. Aneupoidy

C. End polyploidy

D. Allopolyploid

1315. The variety of genes and genotypes found in a particular crop special are_____________________?
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A. Genetic erosion

B. Field gene banks

C. Gene sanctuaries

D. Genetic diversity

1316. Maximum mutants varieties are evolved in_________________?
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A. Rice

B. Maize

C. Wheat

D. Barley

1317. The term vertical resistance and horizontal resistance were first used by________________________?
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A. Correns (1900)

B. Van der plank (1963)

C. Hull (1945)

D. Karpechenko (1927)

1318. Increased flower size has made tetraploidy important for___________________?
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A. Pathologist

B. Horticulturist

C. Plant breeder

D. Agronomist

1319. Cuscuta is an object ional weed of_____________________?
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A. Sorghum

B. Berseem

C. Luceru

D. Cowpeas

1320. Mating between distantly related individuals is known as________________?
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A. Inbreeding

B. Amphimixis

C. Out breeding

D. All the above

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