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Q. No.Antipodal cells
1. Are found near the egg apparatus
2. Are found towards the chalazal end
3. Are present towards the micropylar end
4. Both (1) and (3)
Subtopic: Embryo |
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Some stages of development of a dicot embryo are given below:-
| a. | Proembryo |
| b. | Globular stage |
| c. | Heart shape |
| d. | Mature embryo |
The correct sequence of the given stages is:
| 1. | a, b, c, d |
| 2. | c, d, b, a |
| 3. | a, c, d, b |
| 4. | b, d, c, a |
Subtopic: Embryo |
94%
Level 1: 80%+
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The embryo of a grass seed is enclosed by two protective sheaths, a(n) _________, which covers the young shoot, and a(n) __________, which covers the young root.
1. plumule; radical
2. hypocotyl; picotyls
3. coleoptile; coleorrhiza
4. scutellum; replum
Subtopic: Embryo |
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Level 1: 80%+
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What is true for cotyledon in the grass family?
| 1. | Called as scutellum that situated at the apex of axis |
| 2. | Called as scutellum that is situated towards the lateral side of the embryonal axis |
| 3. | Called as coleoptile that is situated at the apex of embryonal axis |
| 4. | Called as coleoptile that is situated towards the lateral side of the embryonal axis |
Subtopic: Embryo |
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Which part of a dicotyledonous embryo is responsible for developing into the shoot tip?
1. Hypocotyl
2. Radicle
3. Scutellum
4. Plumule
1. Hypocotyl
2. Radicle
3. Scutellum
4. Plumule
Subtopic: Embryo |
80%
Level 1: 80%+
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