Biotechnology Objective Questions { Synthetic Seeds }

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1. Synthetic seeds are

A. artificially synthesized seeds

B. somatic embryos encapsulated in suitable matrix

C. seeds of plants modified genetically

D. none of these

2. Somatic embryoids are

A. identical with zygotic embryos and without seed coats

B. identical with zygotic embryos and with seed coats

C. non-identical with zygotic embryos and without seed coats

D. non-identical with zygotic embryos and with seed coats

3. The production of high quality and uniform embryos has been limited to only

C. both (a) and (b)

4. The preserved embryoids are termed as

A. synthetic seeds

B. semi-synthetic seeds

C. natural seeds

D. fermented seeds

5. Encapsulation is necessary to produce and protect synthetic seeds. The encapsulation is carried out by various types of hydrogels,

A. soluble in water

B. soluble in organic solvents

C. insoluble in water

D. insoluble in organic solvents

6. Which of the following is not true about synthetic seeds?

A. Can be stored for a year without the loss of valuables

B. Easy to handle

C. Can be directly sown in the soil like natural seeds

D. Need hardening in the green house

7. Recalcitrant seeds are

A. resistant to drying and freezing temperature

B. killed by drying and freezing temperature

C. both (a) and (b)

D. none of above

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