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  • 1(current)
Q. No.

Among the terms listed below, those that are not technically correct names for a floral whorl are:

i. Androecium ii. Carpel
iii. Corolla iv. Sepal
 
1. i and iv 2. iii and iv
3. ii and iv 4. i and ii

Subtopic:  Stamen: Anther |
 61%
Level 2: 60%+
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All the following can be considered as equivalent terms except:

1.

Megasporangium

Ovule

2.

Megasporophyll

Stamen

3.

Female gametophyte

Embryo sac

4.

Microspore

Pollen grain
Subtopic:  Stamen: Anther | Pistil: Ovule |
 80%
Level 1: 80%+
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The correct sequence of layers in the wall of an anther from outside to inside is:

1. Tapetum – Middle Layers – Endothecium – Epidermis
2. Epidermis – Endothecium – Tapetum – Middle layers
3. Epidermis – Endothecium – Middle layers – Tapetum
4. Tapetum – Endothecium – Middle layers – Epidermis
Subtopic:  Stamen: Anther | Stamen: Microsporangium |
 93%
Level 1: 80%+
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Tapetum :

I. Is a layer of nutritive cells that are found within the microsporangium.
II. The cells are usually bigger and normally have more than one nucleus per cell
because mitosis is not normal in them.
III. Helps in pollen wall formation, transportation of nutrients to the inner side of the anther, synthesis of callose enzyme for separation of microspore tetrads.


Of the above statements, the correct ones are:

1. I and II only 2. I and III only
3. II and III only 4. I, II, and III

Subtopic:  Stamen: Anther | Stamen: Male Gametophyte |
 55%
Level 3: 35%-60%
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The embryo sac is to ovule as _______ is to an anther.

1. Stamen 2. Filament
3. Pollen grain 4. Androecium
Subtopic:  Stamen: Anther |
 76%
Level 2: 60%+
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