NCERT exampler objective exercise — 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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Choose the correct ones:

1. Which of the following statements (s) is (are) correct?

(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast.

(ii) Fermentation takes place in aerobic bacteria.

(iii) Fermentation takes place in mitochondria.

(iv) Fermentation is a form of anaerobic respiration.

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

2. Which of the following statements about the autotrophs is incorrect?

They convert carbon dioxide and water into carbohydrates in the absence of sunlight
They store carbohydrates in the form of starch
They synthesize carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll
They constitute the first trophic level in food chains

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15. NCERT exampler objective exercise

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