Tiwari Academy Discussion

Asked: February 24, 2021In: Class 12 Biology

Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes

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 : 3

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.

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 : 2

Iditri Bakshi

Asked: February 24, 2021In: Class 12 Biology

Name the parts of an angiosperm flower in which development of male and female gametophyte take place.

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 : 1

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 18

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 17

Aadeep

Asked: February 23, 2021In: Class 12 Biology

What is a bisexual flower? Collect five bisexual flowers from your neighbourhood and with the help of your teacher find out their common and scientific names.

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 16

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Describe the post-fertilization changes in a flower.

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 15

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Differentiate between gametogenesis from embryogenesis.

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 14

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Differentiate between a zoospore and a zygote.

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 13

Aadeep

Asked: February 23, 2021In: Class 12 Biology

Define external fertilization. Mention its disadvantages.

NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms Important Board Questions Reproduction in Organisms NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 12

Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes

Differentiate between microsporogenesis and megasporogenesis. Which type of cell division occurs during these events? Name the structures formed at the end of these two events.

Name the parts of an angiosperm flower in which development of male and female gametophyte take place.

Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?

Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?

What is a bisexual flower? Collect five bisexual flowers from your neighbourhood and with the help of your teacher find out their common and scientific names.

Describe the post-fertilization changes in a flower.

Differentiate between gametogenesis from embryogenesis.

Differentiate between a zoospore and a zygote.

Define external fertilization. Mention its disadvantages.

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