Reproduction and It's Importance

Q.

Identify the missing label in the following image.

1. Hypocotyl
2. Radicle
3. Hilum
4. Epicotyl

Q. All of the following are the important influencing factors of germination except for:

1. Water
2. Oil
3. Air
4. Optimum temperature

Q.

What is the general age of attaining puberty in females?

1. 10 to 14 years

2. 16 to 18 years

3. 18 to 21 years

4. 14 to 16 years

Q. Water is absorbed by the seed mainly through the _______.

1. micropyle
2. cotyledons
3. endosperm
4. hilum

Q. All living beings grow, mature, and die but to ensure continuity of their species they need to .

1. reproduce
2. metabolise
3. degenerate

Q. Flowering plants reproduce by pollination.

1. True
2. False

Q. All organisms can reproduce both asexually and sexually.

1. False
2. True

Q. Seeds sown very deep into the soil fail to germinate.

1. False
2. True

Q. Offsprings of sexually reproducing organisms are not identical to their parents.

1. False
2. True

Q. Fruits always develop from the ovary of the flower.

1. True
2. False

Q. Which one of the following life processes helps to carry on the generation of a species?

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

Q.

Why do organisms reproduce, even though reproduction is not as vital as respiration, excretion, etc. at the expense of energy?

1. It’s a basic instinct which cannot be avoided.

2. To make organisms more vulnerable to natural changes.

3. To ensure continuity of their species.

4. To improve efficiency of other life processes.

Q. What is the source of genetic variations in human beings?

1. Sexual reproduction
2. Mitosis
3. Growth
4. DNA as the genetic material