Agriculture - Mock Test 192

Question 1911

The commonest form of the ovule is?

A) Orthotropous B) Anatropous C) Amphilotropous D) Campylotropous

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Question 1912

The chromosomes are attached to the spindle fibre by means of?

A) Pellicle B) Telomere C) Satellite body D) Centromere

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Question 1913

The chromosomal aberrations include?

A) Duplication or deficiency B) Translocations or inversions C) Multiplication or polyploidy D) All of these

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Question 1914

The cell sap of cell A has an osmotic potential of -14 bars and turgor pressure of 4 bars. Cell B has a water potential of -16 bars and osmotic potential of -24 bars. The water movement will be ?

A) From A to B B) From B to A C) No movement D) None of the above

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Question 1915

The branch of genetics concerned with the study of frequencies of mating populations is?

A) Quantitative genetics B) Behavioural genetics C) Population genetics D) Eugenetics

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Question 1916

The botanical name of the onion is?

A) Allium sativum B) Allum cepa C) Pisum sativium D) Tagetes erecta

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Question 1917

The best method to carry forward the maximum number of genotypes/genes to the advanced generations against the force of natural selection is?

A) Pedigree method B) Bulk method C) Single seed descent method D) Back cross method

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Question 1918

The best method to break the unfavourable linkage is?

A) Single seed descent method B) Diallel selective mating C) Pedigree method D) Bulk method

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Question 1919

The best-known artificial system of classification is that promulgated by?

A) Sir Julian Huxley B) Bentham and Hooker C) Linnaeus D) 1⃣ P. Candolle

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Question 1920

The basis on which evolution works is?

A) Simplicity B) Complexity C) Variations D) Adaptation

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