Post-Fertilisation: Structure and Events
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341953 Select the correct option from the following :
A. In some cereals such as rice and wheat, pollen grains lose viability within 30 hours of their release.
B. Some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months

1 Only A is correct
2 Only B is correct
3 Both A and B are correct
4 Both are wrong
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341954 Match the columns I and II with respect to pollen grain.
Column I
Column II
A
Exine
P
Forms male gametes
B
Intine
Q
Sporopollenin
C
Generative cell
R
Cellulose
D
Vegetative cell
S
Provides nutrition

1 A – R, B – P, C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P, B – R, C – Q, D – S
4 A – Q , B – P, C – R, D – S
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341955 The inner wall of pollen grain

1 Is thin, continuous and pecto cellulosic
and is called intine
2 Comes out in the form of pollen tube
through germpore
3 Is thick and consists of sporopollenin
4 1 and 2
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341956 In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1 Poaceae ; Rosaceae
2 Poaceae ; Leguminosae
3 Poaceae ; Solanaceae
4 Rosaceae ; Leguminosae
NEET - 2021
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341957 During microsporogenesis, meiosis occurs in:

1 Endothecium
2 Microspore mother cells
3 Microspore tetrads
4 Pollen grains.
NCERT Exemplar - 5
NEET DIGITAL LIBRARY
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341953 Select the correct option from the following :
A. In some cereals such as rice and wheat, pollen grains lose viability within 30 hours of their release.
B. Some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months

1 Only A is correct
2 Only B is correct
3 Both A and B are correct
4 Both are wrong
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341954 Match the columns I and II with respect to pollen grain.
Column I
Column II
A
Exine
P
Forms male gametes
B
Intine
Q
Sporopollenin
C
Generative cell
R
Cellulose
D
Vegetative cell
S
Provides nutrition

1 A – R, B – P, C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P, B – R, C – Q, D – S
4 A – Q , B – P, C – R, D – S
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341955 The inner wall of pollen grain

1 Is thin, continuous and pecto cellulosic
and is called intine
2 Comes out in the form of pollen tube
through germpore
3 Is thick and consists of sporopollenin
4 1 and 2
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341956 In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1 Poaceae ; Rosaceae
2 Poaceae ; Leguminosae
3 Poaceae ; Solanaceae
4 Rosaceae ; Leguminosae
NEET - 2021
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341957 During microsporogenesis, meiosis occurs in:

1 Endothecium
2 Microspore mother cells
3 Microspore tetrads
4 Pollen grains.
NCERT Exemplar - 5
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341953 Select the correct option from the following :
A. In some cereals such as rice and wheat, pollen grains lose viability within 30 hours of their release.
B. Some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months

1 Only A is correct
2 Only B is correct
3 Both A and B are correct
4 Both are wrong
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341954 Match the columns I and II with respect to pollen grain.
Column I
Column II
A
Exine
P
Forms male gametes
B
Intine
Q
Sporopollenin
C
Generative cell
R
Cellulose
D
Vegetative cell
S
Provides nutrition

1 A – R, B – P, C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P, B – R, C – Q, D – S
4 A – Q , B – P, C – R, D – S
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341955 The inner wall of pollen grain

1 Is thin, continuous and pecto cellulosic
and is called intine
2 Comes out in the form of pollen tube
through germpore
3 Is thick and consists of sporopollenin
4 1 and 2
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341956 In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1 Poaceae ; Rosaceae
2 Poaceae ; Leguminosae
3 Poaceae ; Solanaceae
4 Rosaceae ; Leguminosae
NEET - 2021
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341957 During microsporogenesis, meiosis occurs in:

1 Endothecium
2 Microspore mother cells
3 Microspore tetrads
4 Pollen grains.
NCERT Exemplar - 5
For More Updates join with Us
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341953 Select the correct option from the following :
A. In some cereals such as rice and wheat, pollen grains lose viability within 30 hours of their release.
B. Some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months

1 Only A is correct
2 Only B is correct
3 Both A and B are correct
4 Both are wrong
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341954 Match the columns I and II with respect to pollen grain.
Column I
Column II
A
Exine
P
Forms male gametes
B
Intine
Q
Sporopollenin
C
Generative cell
R
Cellulose
D
Vegetative cell
S
Provides nutrition

1 A – R, B – P, C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P, B – R, C – Q, D – S
4 A – Q , B – P, C – R, D – S
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341955 The inner wall of pollen grain

1 Is thin, continuous and pecto cellulosic
and is called intine
2 Comes out in the form of pollen tube
through germpore
3 Is thick and consists of sporopollenin
4 1 and 2
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341956 In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1 Poaceae ; Rosaceae
2 Poaceae ; Leguminosae
3 Poaceae ; Solanaceae
4 Rosaceae ; Leguminosae
NEET - 2021
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341957 During microsporogenesis, meiosis occurs in:

1 Endothecium
2 Microspore mother cells
3 Microspore tetrads
4 Pollen grains.
NCERT Exemplar - 5
NEET DIGITAL LIBRARY
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341953 Select the correct option from the following :
A. In some cereals such as rice and wheat, pollen grains lose viability within 30 hours of their release.
B. Some members of Rosaceae, Leguminoseae and Solanaceae, they maintain viability for months

1 Only A is correct
2 Only B is correct
3 Both A and B are correct
4 Both are wrong
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341954 Match the columns I and II with respect to pollen grain.
Column I
Column II
A
Exine
P
Forms male gametes
B
Intine
Q
Sporopollenin
C
Generative cell
R
Cellulose
D
Vegetative cell
S
Provides nutrition

1 A – R, B – P, C – Q, D – S
2 A – Q, B – R, C – P, D – S
3 A – P, B – R, C – Q, D – S
4 A – Q , B – P, C – R, D – S
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341955 The inner wall of pollen grain

1 Is thin, continuous and pecto cellulosic
and is called intine
2 Comes out in the form of pollen tube
through germpore
3 Is thick and consists of sporopollenin
4 1 and 2
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341956 In some members of which of the following pairs of families, pollen grains retain their viability for months after release?

1 Poaceae ; Rosaceae
2 Poaceae ; Leguminosae
3 Poaceae ; Solanaceae
4 Rosaceae ; Leguminosae
NEET - 2021
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341957 During microsporogenesis, meiosis occurs in:

1 Endothecium
2 Microspore mother cells
3 Microspore tetrads
4 Pollen grains.
NCERT Exemplar - 5