Multiple choice questions VIII — 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. Which of the following statements is not true with respect to variation?

Selection of variants by environmental factors forms the basis of evolutionary processes.
All variations in a species have equal chance of survival
Variation is minimum in asexual reproduction
Change in genetic composition results in variation

2. A trait in an organism is influenced by

neither by paternal nor by maternal DNA
both maternal and paternal DNA
paternal DNA only
maternal DNA only

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