CIE iGCSE Co-Ordinated Science B16.1 Chromosomes and genes Exam Style Questions Paper 2
Question
Which row shows the sex chromosomes in humans?
▶️Answer/Explanation
Ans: A
Question
The body cells of tigers have 38 chromosomes. Which row shows the numbers of chromosomes involved during sexual reproduction in tigers?
▶Answer/Explanation
Ans :C
Question
Which characteristic of a living organism releases energy for growth?
(A) excretion
(B) reproduction
(C) respiration
(D) sensitivity
▶️Answer/Explanation
Ans: C
Question
What is a difference between a haploid nucleus and a diploid nucleus from the same plant?
(A) The diploid nucleus has more chromosomes.
(B) The diploid nucleus is the result of meiosis.
(C) The haploid nucleus is the result of mitosis.
(D) The haploid nucleus has more alleles.
▶️Answer/Explanation
Ans : A