CIE iGCSE Co-Ordinated Science B15.1 Asexual reproduction Exam Style Questions Paper 1
Question
Which statement about asexual reproduction is correct?
A It involves the fusion of gametes from one parent.
B It involves the fusion of gametes from two parents.
C It produces offspring which are genetically different.
D It produces offspring which are genetically identical.
▶️Answer/Explanation
Ans : D
Question
Aphids are insects. The information shown describes part of the lifecycle of the aphid.
stage 1 In the spring, wingless females reproduce without fertilisation to produce many female offspring.
stage 2 In late summer, both males and females are produced. The female’s eggs are fertilised by the male’s sperm.
Which row shows the type of reproduction occurring at stages 1 and 2?
▶️Answer/Explanation
Ans: B
Question
In a plant, what leads to offspring that are genetically identical to the parent?
(A) asexual reproduction
(B) insect pollination
(C) seed germination
(D) sexual reproduction
▶️Answer/Explanation
Ans : A
Question
Which statements about asexual reproduction are correct?
1. It involves gametes.
2. It produces genetically identical offspring.
3. It only requires one parent.
(A) 1, 2 and 3 (B) 1 and 2 only (C) 1 and 3 only (D) 2 and 3 only
▶Answer/Explanation
Ans : D
Question
Duckweed can reproduce by producing new plants from an original ‘mother plant’ as shown. These plants can then separate off and produce more plants themselves.
What does this demonstrate about how duckweed reproduces?
A asexual reproduction which produces genetically different plants
B asexual reproduction which produces genetically identical plants
C sexual reproduction which produces genetically different plants
D sexual reproduction which produces genetically identical plants
▶️Answer/Explanation
Answer: B
Explanation: Duckweed reproduces asexually, producing genetically identical offspring from the mother plant.