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301.

Tetraploid potato has 48 chromosomes, whereas ordinary piploid species have _______ chromosomes:

A.	34	B.	24
C.	14	D.	10

302.

Which of the following material makes the protein chain?

A.	Carbohydrates	B.	Sugars
C.	Fatty acids	D.	Aminoacids

303.

Which of the following leads to the cross-pollination?

A.	Unisexuality	B.	Dichogamy
C.	Heterostyly	D.	All the above

304.

The application of principles of genetics for the improvement of mankind is:

A.	Herdity	B.	Linkage
C.	Population genetics	D.	Eugenics

305.

The attraction between two dissimilar molecules is:

A.	Cohesion	B.	Adhesion
C.	Surface tension	D.	None of the above

306.

Which of the following is sub-aerial modification of stem?

A.	Corm	B.	Stolon
C.	Thorn	D.	Bulb

307.

The basis on which evolution works is:

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

308.

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

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

309.

The best method to break the unfavourable linkage is:

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

310.

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