Reproduction in Organisms Questions and Answers Part-3

1. Which is the incorrect statement about water hyacinth?
a) Introduced in India for their lovely flowers and shape of leaves.
b) It is world’s most problematic terrestrial weed.
c) It reproduce asexually through offsets
d) Its botanical name is Eicchornia crassipes

Answer: b
Explanation: "It is world’s most problematic terrestrial weed". This is incorrect statement about water hyacinth.

2. Vegetative propagules of Agave is
a) Tuber
b) Rhizome
c) Bulbil
d) Runner

Answer: c
Explanation: Bulbil

3. Vegetative propagules of Solanum tuberosum is
a) Tuber
b) Rhizome
c) Bulbil
d) Runner

Answer: a
Explanation: Vegetative propagules of Solanum tuberosum is Tuber.

4. Select the odd one out.
a) Tuber
b) Rhizome
c) Bulbil
d) Zoospores

Answer: d
Explanation: Zoospores

5. Rhizomes are vegetative propagules of
a) Apple
b) Banana
c) Mango
d) Grapes

Answer: b
Explanation: Banana

6. Which of these points is false about the diagram?
q26
a) Belongs to class mammalia
b) Life span is approximately 40 years
c) Belongs to genus Elephas
d) Crepuscular animal

Answer: b
Explanation: Life span is approximately 40 years

7.Choose the correct statement.
(A) Asexual reproduction method is the common method of reproduction in organisms with relatively simple organization like algae and fungi.
(B) Organism with relatively simple organization like algae and fungi shifted to sexual mode of reproduction just before the onset of adverse conditions.
(C) Vegetative as well as sexual mode of reproduction is exhibited by the higher plants
(D) Only sexual mode of reproduction is present in most of the animals.
a) A and B only
b) B and C only
c) C and D only
d) All A, B, C and D

Answer: d
Explanation: All A, B, C and D

8. Sexual reproduction when compared to asexual reproduction is a
(A) Slow process
(B) Fast process
(C) Simple process
(D) Complex process
a) A and D only
b) A and C only
c) B and D only
d) B and C only

Answer: a
Explanation: A and D only

9. Plants, animals or fungi differ in all of these aspects except
a) External morphology
b) Internal structure
c) Physiology
d) Pattern of sexual mode of reproduction

Answer: d
Explanation: Pattern of sexual mode of reproduction

10. Which of these plants do not show clear cut vegetative, reproductive and senescent phase?
a) Annual plant
b) Biennial plant
c) Perennial plant
d) All of these

Answer: c
Explanation: Perennial plant