If a flower is to be pollinated by moths, it should

(1) be heavily scented

(2) be shaped like a tulip

(3) close about noon

(4) be brightly colored

Subtopic:  Pollination & Outbreeding Devices |
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NEET 2023 - Target Batch - Aryan Raj Singh
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A fertilized embryo sac of an angiosperm contains:

I. Haploid cells

II. Diploid cells

III. Triploid cells

1. I and II only

2. I and II only

3. II and III only

4. I, II and III

Subtopic:  Pistil: Female Gametophyte |
From NCERT
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The intine of the pollen grain is a:

1. Thick and discontinuous layer made of sporopollenin

2. Thick and continuous layer made of sporopollenin

3. Thin and discontinuous layer made of cellulose and pectin

4. Thin and continuous layer made of cellulose and pectin

Subtopic:  Stamen: Male Gametophyte |
 82%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

In the monosporic embryo sac of a flowering plant, the number of nuclei that get surrounded by cell walls and thus are organized into cells is:

1. 5

2. 6

3. 7

4. 8

 

Subtopic:  Pistil: Female Gametophyte |
 68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Female flowers remain submerged in water and the pollen grains are released inside the water in:

1. Sea grasses

2. Vallisneria

3. Water lily

4. Water hyacinth

Subtopic:  Pollination & Outbreeding Devices |
 61%
From NCERT
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Scientists are trying to transfer apomictic genes into hybrid varieties of several of our food and vegetable crops so that:

1. They get resistance against common pathogens

2. The yield of these plants can be increased many folds

3. Hybrid seeds need not be produced every year

4. Their germplasm is easily stored in labs for further research

Subtopic:  Apomixis & Polyembryony |
 69%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is the most common abiotic pollinating agent?

1. Insects 2. Birds and bats
3. Wind 4. Water
Subtopic:  Pollination & Outbreeding Devices |
 83%
From NCERT
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The asexual production of seeds is called as:
1. Adventition
2. Fragmentation
3. Self-fertilization
4. Apomixis

Subtopic:  Apomixis & Polyembryony |
 91%
From NCERT
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The ovule of an angiosperm is technically equivalent to

1. megasporangium

2. megasporophyll

3. megaspore mother cell

4. megaspore

Subtopic:  Pistil: Ovule |
 67%
From NCERT
NEET - 2016
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Megasporangium is equivalent to

(1) embryo sac

(2) fruit

(3) nucellus

(4) ovule

Subtopic:  Pistil: Ovule |
 72%
From NCERT
NEET - 2013
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