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Assertion: Extranuclear chromosomes are ...

Assertion: Extranuclear chromosomes are present in mitochondria and plastids
Reason: They are prochromosomes or organelle chromosomes.

A

Both assertion and reason are true, and reason is the correct explanation of assertion.

B

Both assertion and reason are true, but reason is the correct explanation of assertion

C

Assertion is true but reason is false.

D

Both asertion and reason are false.

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ASSERTION TYPE QUESTIONS : These questions consist of two statements each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is correct explanation of Assertion. B. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. . Assertion : If an endosperm cell of angiosperm contains 24 chromosomes, the number of chromosomes in each cell of rootwill be 16. Reason : As endosperm is triploid and root cells are diploid, the chromosome number in each of root cell will be 16.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion. karyotypic anaylsis is scientific study of complete chromosome complement of an individdual. Reason. Karyotypic analysis can be used to diagnose the pre-natal chromosomal disoders.

While examining the mitotic stage in a tissue, one finds some cells with 16 chromosomes and some with 32 chromosomes. What possible reasons could you assign to this difference in chromosome number. Do you think cells with 16 chromosomes could have arisen from cells with 32 chromosomes or vice versa?

MBD-MODEL TEST PAPER -2-EXERCISE
  1. Why is the rate of assimilation energy at the herbivore level called s...

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  2. Assertion: For DNA replication RNA primer is needed .<b> Reason: Synth...

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  3. Assertion: Extranuclear chromosomes are present in mitochondria and pl...

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  4. Assertion: Selection of recombinants due to inactivation of antibiotic...

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  5. Assertion: A community with more species is more stable than that with...

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  6. Assertion: Smaller the organism, the higher is the rate of metanolism ...

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  7. Colostrum contains antibody IgA that contains passive immunity. this s...

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  8. Why is sharing of injection needles between two individuals not recomm...

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  9. People of which age group are move vulnerable to incidence of infectio...

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  10. Why is the frequency of red green colour blindness more in human males...

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  11. What is meant by the term ‘breed’? What are the objectives of animal b...

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  12. Name the technique used for separation of DNA fragments. What is its p...

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  13. Define budding? Differentiate between exogeneous and endogeneous buddi...

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  14. Differentiate gene therapy and gene cloning.

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  15. What are molecular scissors? Explain their role.

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  16. Why does ozone hole form over Antarctica? How will enhanced UV-radiati...

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  17. Differentiate between grazing food chain and detritus food chain.

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  18. Explain any three ways-other than zoological parks, botanical gardens ...

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  19. Differentitae between spermatogensis and oogenesis on the basis of: T...

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  20. Differentitae between spermatogensis and oogenesis on the basis of: S...

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