Reproduction

Q.

What animal lays eggs and is not a bird?

Q.

Why are potatoes considered stems and not roots?

Q.

What are some examples of imprinting?

Q. Which of the following can produce new plant(s)?

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

Q. What is the speciality of bryophyllum?

Q.

Write the method of vegetative propagation of rose by grafting.

Q.

Reproduction is essential for living organisms in order to

1. keep the individual organism alive

2. fulfill their energy requirement

3. maintain growth

4. continue the species forever

Q. All living organisms produce individuals of their own kind for the survival of their species. This is called __(Reproduction/ Respiration).

Q. is the process by which an organism gives rise to its young ones.

1. Digestion
2. Reproduction
3. Excretion
4. Respiration

Q. New rose plants can be obtained from ___.

1. stem cuttings
2. leaf cuttings
3. root cutting
4. flowers

Q. What are sepals? Give examples of free and fused sepals in flowers.

Q. Living organisms produce more of their kind through a process called ______ .

1. metabolism
2. reproduction
3. respiration
4. excretion

Q.

Question 12

Although organisms die, their kind continue to live on earth. Which characteristic of living organisms makes this possible?
(a) Respiration
(b) Reproduction
(c) Excretion
(d) Movement

Q. Do all organisms reproduce their own kind? Explain.

Q. Which of the following can be considered a living thing?

1. Rock
2. Seed
3. Paper
4. Wood

Q. The process through which living organisms produce a new generation is known as:

1. Reproduction
2. Digestion
3. Excretion
4. Respiration

Q. Choose the odd one out from below with respect to reproduction.

1. Eggs of hen.
2. Seeds of plants.
3. Buds of potato.
4. Roots of mango tree.

Q.

What is the process through which a living organism generates a new living organism like itself?

1. Nutrition

2. Reproduction

3. Excretion

4. Cell division

Q. In bryophyllum, the new plantlets arise from the leaves.

1. True
2. False

Q. State whether the following statements are true or false:​
​
I: Petals helps in attracting insects and birds.​
II: Petals do not protect the reproductive organs.​

1. I-False; II-False
2. I-False; II-True
3. I-True ; II-True
4. I-True ; II-False

Q. An organism can reproduce throughout its lifetime.

1. True
2. False

Q.

The reason behind the survival of several types of plants and animals on earth is their ability to reproduce.

1. True

2. False

Q. How many cotyledon(s) does a maize seed has/have?
(A) One
(B) Two
(C) Three
(D) Four

Q. Which of the following plants have parasitic mode of nutrition?

1. Mushroom
2. Pitcher
3. Cuscuta
4. Lichen

Q. Which of the following options comprises various stages in the life of an organism in proper sequence?

1. birth, reproduction, growth, death
2. growth, reproduction, birth, death
3. birth, reproduction, death, growth
4. birth, growth, reproduction, death

Q.

How is a Potato stem it should be a a root

Q. Which of the following option comprises various stages in the life of an organism in proper sequence?

1. Birth, reproduction, growth, death
2. Growth, reproduction, birth, death
3. Birth, reproduction, death, growth
4. Birth, growth, reproduction, death

Q. Sugarcane, bamboo, millets etc. are examples of ______ root.

1. fibrous root
2. tap root
3. deep root
4. thick root

Q.

What is reproduction ?

Q. How does fertilisation occur in flowers? Name the parts of the flower that develop into
(i) Seed and (ii) Fruit after fertilisation