unseen passage
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Answers
Answer:
A 1. Man's dependence on d) plants is indispensible.
2. Tissue culture proved to be a boon for b) mankind.
3. The concept of tissue culture dates back to a) 1878.
4. Cultivation of artificial c) embryos is possible depending on the nutritional media.
B 1. The dependence of food, shelter and clothing has led man to explore all the possible ways to preserve plants.
2. The unorganised mass of cells which the plants divide and develop in tissue culture is called callus.
3. The idea of tissue culture was first introduced in 1878 by a German botanist called Vochting.
4. In 1902, Haberlandt postulated that the cultivation of artificial embryos is possible depending on the nutritional media.
Answer:
A 1. Man's dependence on d) plants is indispensible.
2. Tissue culture proved to be a boon for b) mankind.
3. The concept of tissue culture dates back to a) 1878.
4. Cultivation of artificial c) embryos is possible depending on the nutritional media.
B 1. The dependence of food, shelter, and clothing has led man to explore all the possible ways to preserve plants.
2. The unorganized mass of cells which the plants divide and develop in tissue culture is called callus.
3. The idea of tissue culture was first introduced in 1878 by a German botanist called Voting.
4. In 1902, Haberlandt postulated that the cultivation of artificial embryos is possible depending on the nutritional media.
Explanation: