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

341988 Which of the following statements is false?
i. Pollen grains represents immatured male gametophyte
ii. In angisperms partially developed male gametophytes are pollinated
iii. Generative cell is siponogenous while vegetative cell is spermatogenous
iv. Formation and differentation of pollen grains is called microsporogenesis
v. Hay fever is a pollen allergy
vi. Pollen grains of some plants produce severe allergy and respiratory or bronchial diseases
vii. Pollen grains are poor in nutrients.

1 iii and vii
2 i and vii
3 vi and vii
4 iv and v
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341989 Which one of the following statements are not true?

1 Pollen grains of some plants cause severe
allergies and bronchial afflications in
some people
2 Pollination by wind is more common
among the abiotic pollinations
3 Honey is made by bees by digesting pollen
collected from flowers
4 Wind and water pollinated flowers do not
produce nectar and are not very colourful
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341990 Male gametes in the angiosperms are formed by the division of

1 Microspore
2 Microspore mother cell
3 Generative cell
4 Vegetative cell
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341991 The microspore undergoes ____to form two-celled stage , out of these , _______undergoes mitosis to form two male gametes.

1 Mitosis, vegetative cell
2 Meiosis, generative cell
3 Mitosis, generative cell
4 Meiosis, vegetative cell
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341988 Which of the following statements is false?
i. Pollen grains represents immatured male gametophyte
ii. In angisperms partially developed male gametophytes are pollinated
iii. Generative cell is siponogenous while vegetative cell is spermatogenous
iv. Formation and differentation of pollen grains is called microsporogenesis
v. Hay fever is a pollen allergy
vi. Pollen grains of some plants produce severe allergy and respiratory or bronchial diseases
vii. Pollen grains are poor in nutrients.

1 iii and vii
2 i and vii
3 vi and vii
4 iv and v
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341989 Which one of the following statements are not true?

1 Pollen grains of some plants cause severe
allergies and bronchial afflications in
some people
2 Pollination by wind is more common
among the abiotic pollinations
3 Honey is made by bees by digesting pollen
collected from flowers
4 Wind and water pollinated flowers do not
produce nectar and are not very colourful
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341990 Male gametes in the angiosperms are formed by the division of

1 Microspore
2 Microspore mother cell
3 Generative cell
4 Vegetative cell
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341991 The microspore undergoes ____to form two-celled stage , out of these , _______undergoes mitosis to form two male gametes.

1 Mitosis, vegetative cell
2 Meiosis, generative cell
3 Mitosis, generative cell
4 Meiosis, vegetative cell
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341988 Which of the following statements is false?
i. Pollen grains represents immatured male gametophyte
ii. In angisperms partially developed male gametophytes are pollinated
iii. Generative cell is siponogenous while vegetative cell is spermatogenous
iv. Formation and differentation of pollen grains is called microsporogenesis
v. Hay fever is a pollen allergy
vi. Pollen grains of some plants produce severe allergy and respiratory or bronchial diseases
vii. Pollen grains are poor in nutrients.

1 iii and vii
2 i and vii
3 vi and vii
4 iv and v
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341989 Which one of the following statements are not true?

1 Pollen grains of some plants cause severe
allergies and bronchial afflications in
some people
2 Pollination by wind is more common
among the abiotic pollinations
3 Honey is made by bees by digesting pollen
collected from flowers
4 Wind and water pollinated flowers do not
produce nectar and are not very colourful
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341990 Male gametes in the angiosperms are formed by the division of

1 Microspore
2 Microspore mother cell
3 Generative cell
4 Vegetative cell
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341991 The microspore undergoes ____to form two-celled stage , out of these , _______undergoes mitosis to form two male gametes.

1 Mitosis, vegetative cell
2 Meiosis, generative cell
3 Mitosis, generative cell
4 Meiosis, vegetative cell
Join With Us for More Updates
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341988 Which of the following statements is false?
i. Pollen grains represents immatured male gametophyte
ii. In angisperms partially developed male gametophytes are pollinated
iii. Generative cell is siponogenous while vegetative cell is spermatogenous
iv. Formation and differentation of pollen grains is called microsporogenesis
v. Hay fever is a pollen allergy
vi. Pollen grains of some plants produce severe allergy and respiratory or bronchial diseases
vii. Pollen grains are poor in nutrients.

1 iii and vii
2 i and vii
3 vi and vii
4 iv and v
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341989 Which one of the following statements are not true?

1 Pollen grains of some plants cause severe
allergies and bronchial afflications in
some people
2 Pollination by wind is more common
among the abiotic pollinations
3 Honey is made by bees by digesting pollen
collected from flowers
4 Wind and water pollinated flowers do not
produce nectar and are not very colourful
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341990 Male gametes in the angiosperms are formed by the division of

1 Microspore
2 Microspore mother cell
3 Generative cell
4 Vegetative cell
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS

341991 The microspore undergoes ____to form two-celled stage , out of these , _______undergoes mitosis to form two male gametes.

1 Mitosis, vegetative cell
2 Meiosis, generative cell
3 Mitosis, generative cell
4 Meiosis, vegetative cell
For More Updates join with Us