Multiple choice questions HOTS XXVIII — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. Osmosis is a natural process in which molecules of a solvent move through a semipermeable membrane from a less concentrated solution to a more concentrated one. Which of the following options is not related to this process?

Plasma membranes contain chitin sugar in plants.
Molecules soluble in organic solvents can easily pass through the membrane.
Membranes are made of organic molecules such as proteins and lipids.
The movement of water across a semipermeable membrane is affected by the amount of substances dissolved in it.

2. Swetha noticed the fruit is green when unripe but beautifully coloured when ripe. She asked her teacher the reason behind this colour change.

Chloroplasts change to chromosomes
Chromosplasts change to leucoplasts
Chloroplasts change to chromosplasts
Chromosplasts change to chloroplasts

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78. Multiple choice questions HOTS XXVIII

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