Asexual Reproduction

Q.

What is vegetative propagation give two suitable examples?

Q. Write three advantages of vegetative propagation?

Q.

A technique of micropropagation is-

1. Somatic hybridization

2. Somatic embryogenesis

3. Embryo rescue

4. Protoplast fusion

Q.

Write down the different methods of asexual reproduction.

Q.

Explain budding process in yeast.

Q.

What are vegetative propagules?

Q.

Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?

Q.

Why is amoeba considered an immortal?

Q.

Where does asexual reproduction of Plasmodium occur?

Q. Describe reproduction by spores in Rhizopus.

Q. (a) Name two animals which reproduce sexually.
(b) Name two animals which reproduce asexually.

Q. Amoeba is considered as immortal due to its clever reproduction strategy . Justify the statement

Q.

How do plasmodium and leshmania reproduce . Write one difference in their mode of reproduction

Q.

How does ginger reproduce by vegetative propagation naturally ?

Q.

The major reason for extinction of Dinosaurs from the planet is _________.

1. lack of food

2. drastic changes in the environment

3. lack of variations to support survival

4. lack of conducive environment

Q.

The most common type of asexual reproduction in protozoa is____.

1. binary fission

2. none of these

3. fragmentation

4. budding

Q. Name the mode of asexual reproduction in amoeba.

1. Binary fission
2. Budding
3. Regeneration
4. Fragmentation

Q.

Write a short note on asexual reproduction in rhizopus.

Q.

Why are budding, fragmentation and regeneration, all considered to be asexual type of reproduction ?

Q. Which of the following is not a mode of asexual reproduction?

1. Pollination
2. Budding
3. Multiple fission
4. Binary fission

Q.

Amoeba reproduces by budding.

1. True
2. False

Q. Which of the following is the mode of reproduction in yeast?

1. Budding
2. Vegetative propagation
3. Binary fission
4. Regeneration

Q. Which of the following statements are correct regarding multiple fission?

1. $Leishmania$ reproduces through multiple fission.
2. It produces a number of daughter individuals.
3. $Plasmodium$ reproduces through multiple fission.
4. It forms two daughter individuals.

Q. $Rhizopus$ species reproduce asexually through spores.

1. True
2. False

Q. Which of the following is a false statement?

1. Asexual reproduction is uniparental
2. Sexual reproduction is biparental
3. All organisms have evolved similar mechanism to multiply and produces offspring
4. In asexual reproduction no fertilization occurs

Q. Which among the following parts of the plant help in vegetative propagation?

1. Root
2. Stem
3. Seed
4. Leaf

Q.

Amoeba is a ___________ celled organism. It reproduces by ___________ reproduction. The process of reproduction begins by the division of its ___________ into two. This is followed by the division of its ___________ into two. This type of reproduction is called ___________ fission. Fill up the blanks with the terms: (body. asexual, binary, single, nucleus)

Q.

What are 3 types of asexual reproduction in plants?

Q.

Which type of reproduction :
(a) involves gametes?
(b) does not involve gametes?

Q.

Question 4
Offsprings which are formed by the asexual reproduction methods have greater similarity among themselves because

(i) Asexual reproduction involves only one parent
(ii) Asexual reproduction does not involve gametes
(iii) Asexual reproduction occurs before sexual reproduction
(iv) Asexual reproduction occurs after sexual reproduction

(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (iii) and (iv)