Multiple choice questions V — task. Science CBSE, Class 10.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. Select the incorrect statement

Reduction in weight of the organism due to starvation is genetically controlled
Frequency of certain genes in a population change over several generations resulting in evolution
Traits which are not inherited over generations do not cause evolution
Low weight parents can have heavy weight progeny

2. New species may be formed if

(i) DNA undergoes significant changes in germ cells
(ii) chromosome number changes in the gamete
(iii) there is no change in the genetic material
(iv) mating does not take place

(i) and (ii)
(ii), (iii) and (iv)
(i), (ii) and (iii)
(i) and (iii)

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5. Multiple choice questions V

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