Short answer questions IX — 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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From the internet, gather information about the chromosome numbers of five animals and five plants. Correlate the number with the size of organism and answer the following questions. a. Do larger organisms have more number of chromosomes/cells? b. Can organism with fewer chromosomes reproduce more easily than organisms with more number of chromosomes? c. More the number of chromosomes/cells greater is the DNA content. Justify.

a. Do larger organisms have more number of chromosomes/cells?

No, there is no connection between an organism's size and its chromosome number.
Yes, there is a connection between an organism's size and its chromosome number.

b. Can organism with fewer chromosomes reproduce more easily than organisms with more number of chromosomes?

No, reproduction follows a common pattern independent of the number of chromosomes present.
Yes, reproduction does not follow a common pattern independent of the number of chromosomes present.

c. More the number of chromosomes/cells greater is the DNA content. Justify.

No, there is less DNA present when there are more chromosomes because DNA makes up a large portion of chromosomes.
Yes, since DNA makes up a large portion of chromosomes, more DNA is present when there are more chromosomes.

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44. Short answer questions IX

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