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Question
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
Solution
To study different parts of embryo, the student will first take some pea seeds in a petri dish. After that, he/she will soak seeds in plain water and keep them soaked overnight. Next day, he/she will drain the excess water and cover the seeds with wet cotton cloth for a day. Next day, he/she will cut open the soaked seeds and observe them.
Hence, the correct option is A.
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