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Which of the following are the reasons f...

Which of the following are the reasons for variations:

A

Mutations

B

Reshuffling of gene or chromosomes

C

Recombination of genes or crossing over

D

All of them

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EDUCART PUBLICATION-SAMPLE PAPER (SELF-ASSESSMENT )-9-MULTIPLE CHOICE QUESTIONS
  1. The implantation process involves the following steps : (I) The moru...

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  2. Which among these dlid not contribute to the double-helical model of D...

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  3. Which of the following are the reasons for variations:

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  4. The process of primary transcript processing in transcription doesn't ...

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  5. DNA contains ...................... while protein contains ..............

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  6. Assertion (A): Human genome project was called a mega project. Reaso...

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  7. Assertion (A): During elongation of a polypeptide chain, the amino aci...

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  8. Assertion (A): In 1951, reproductive health programmes under the name ...

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  9. Assertion (A): STD's are becoming more rampant in the younger age Re...

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  10. Which among these are steps token by the government to check populatio...

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  11. Meiotic division during oogenesis is termed as an unequal division bec...

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  12. Which among there is not a component of a nucleotide?

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  13. Primase is the enzyme responsible for initiation of DNA synthesis. Whi...

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  14. tRNA, SsrRNA, snRNAs are transcribed by:

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  15. Whose model of DNA was provided a viable confirmation by Messelson and...

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  16. X = ………………….. refers to the first menstruation while Y = …………... ref...

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  17. Pleiotropy is the effect of X = gene(s) on Y = ……………….. phenotypic exp...

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  18. Which among these are coded by only one codon ?

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  19. Which among these are roles played by ribosomes:

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  20. Capping II involves the addition of ................ . to the 5'-end o...

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