Which of the following situations correctly describes the similarity between an angiosperm egg and a human egg?

1. Eggs of both are formed only once in a lifetime
2. Both the angiosperm egg and human egg are stationary
3. Both the angiosperm egg and human egg are mobile
4. Syngamy in both results in the formation of zygote

Choose the correct answer from the options given below:
1. ii and iv 2. iv only
3. iii and iv 4. i and iv

Subtopic:  Sexual Reproduction | Events during Sexual reproduction |
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Meiosis takes place in:

1. Conidia 2. Gemmule
3. Megaspore 4. Meiocyte

Subtopic:  Events during Sexual reproduction |
 85%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which of the following is a post-fertilisation event in flowering plants?

1. Transfer of pollen grains

2. Embryo development

3. Formation of flower

4. Formation of pollen grains

Subtopic:  Events during Sexual reproduction |
 86%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Consider the following statements:

I: Meiosis never occurs in organisms that are haploid
II: Gametes are haploid and the parent plant body from which they arise must be diploid


1. Only I is correct
2. Only II is correct
3. Both I and II are incorrect
4. Both I and II are correct

Subtopic:  Sexual Reproduction | Events during Sexual reproduction |
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


What is true about the given figure?

  

1. The plant concerned is Chara, A is Oogonium and B is Antheridium
2. The plant concerned is Chara, B is Oogonium and A is Antheridium
3. The plant concerned is Marchantia, A is Oogonium and B is Antheridium
4. The plant concerned is Marchantia, B is Oogonium and A is Antheridium

Subtopic:  Events during Sexual reproduction |
 84%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.