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

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1. Which of the following is true for the term 'autolysis'?

Self-digestion
Self-food producers
Food decomposer
Self-replication

2. Root hair cells are crucial to have a long, narrow cytoplasmic extension.

To speed up the uptake of oxygen
To speed up the uptake of sugars and amino acids
To speed up the removal of carbon dioxide
To speed up the uptake of ions

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