Class 12 Biology

Asked: February 24, 2021In: Class 12 Biology

What is apomixis and what is its importance?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 18

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Explain the role of tapetum in the formation pollen-grain wall.

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 17

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 16

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

What is meant by emasculation? When and why does a plant breeder employ this technique?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 15

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 14

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Differentiate between: (a) Hypocotyl and epicotyl; (b) Coleoptile and coleorrhiza; (c) Integument and testa; (d) Perisperm and pericarp.

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 13

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Why do you think the zygote is dormant for some time in a fertilized ovule?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 12

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

What is bagging technique? How is it useful in a plant breeding programme?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 10

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 9

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Mention two strategies evolved to prevent self-pollination in flowers.

NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants Important Board Questions Sexual Reproduction in Flowering Plants NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Category: Class 12 Biology

What is apomixis and what is its importance?

Explain the role of tapetum in the formation pollen-grain wall.

If one can induce parthenocarpy through the application of growth substances, which fruits would you select to induce parthenocarpy and why?

What is meant by emasculation? When and why does a plant breeder employ this technique?

Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

Differentiate between: (a) Hypocotyl and epicotyl; (b) Coleoptile and coleorrhiza; (c) Integument and testa; (d) Perisperm and pericarp.

Why do you think the zygote is dormant for some time in a fertilized ovule?

What is bagging technique? How is it useful in a plant breeding programme?

What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?

Mention two strategies evolved to prevent self-pollination in flowers.

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Category: Class 12 Biology

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