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Science · 2026 · 3 marks
CBSE 2026 · Region 4 · Set 1 · Q13
Give reasons for the following: (a) Adrenal gland is known as the stress gland of the body. (b) Prenatal sex determination is banned in India. (c)…
Give reasons for the following :
(a)
Adrenal gland is known as the stress gland of the body.
(b)
Prenatal sex determination is banned in India.
(c)
Vegetative propagation is advantageous in some plants.
Marking-scheme solution
(a) Because adrenal gland secretes adrenaline hormone that enables the animal body to face a scary situation.
(b) To prevent female foeticide.
(c) Plants raised by vegetative propagation can bear flowers and fruits earlier than those produced from seeds / Such methods also make possible the propagation of plants such as banana, orange, rose and jasmine that have lost the capacity to produce seeds / All plants produced are genetically similar enough to the parent plant to have all its characteristics.
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.