This document contains 15 multiple choice questions about cell division processes like meiosis and mitosis, genetic inheritance, genetic disorders, and human reproduction. The questions cover topics such as where meiosis occurs, the stages of cell division, chromosome numbers in different cell types, genetic variation and disorders like albinism, and male vs female offspring probability.

2. QUESTION 1: In which of the following parts of a plant does meiosis occur? Anther Stigma Shoot Root

3. QUESTION 2: What is the name of the fine thread-like structure found in the nucleus of the cell? Gene Cell membrane Chromosome Nuclear membrane

4. QUESTION 3: Which of the following matches correctly the cell division process and the place this divisions take place? Cell division Place that cell divisions occurs A Mitosis Heart B Meiosis Skin C Mitosis Sperm D Meiosis Liver

5. QUESTION 4 : Which of the following shows the ratio of the number of chromosomes in a sperm to that of chromosomes in a skin cell? 1:1 1:2 2:1 2:2

6. QUESTION 5 : The zygote of a mouse has 40 chromosomes. How many chromosomes are there in the skin cell and gamete of a mouse? Skin cell Gamete A 20 20 B 20 40 C 40 20 D 40 40

7. QUESTION 6: Meiosis causes variation in an organism because……………………. Crossing over takes place between chromatids The number of chromosomes in the nucleus is halved Replication process occurs in the first cell division Replication process occurs in the second cell division

8. QUESTION 7: Cromosomes in the liver cells of a female human being are 22 + X 22 + Y 44 + XX 44 + XY

9. QUESTION 8: What is the percentage of a husband and wife having a male child and a female child at each birth Male child Female child A 25% 25% B 25% 75% C 50% 50% D 75% 25%

10. QUESTION 9 : Which of the following shows the chromosome make-up in a zygote which will develop into a male baby? 22 + X 22 + Y 44 + XX 44 + XY

11. QUESTION 10 : Which of the following statements is true about non-identical twins? Two ova are fertilized by two sperms The sex of both foetuses is always the same Both foetuses share a placenta A fertilized ovum divides into two

12. QUESTION11 : Albinism is caused by… Mutation to the gene which controls the skin colour Mutation to the gene which produces haemoglobin The 45 chromosomes contained in the somatic cell The defect in the structure of chromosome

13. QUESTION 12 : A skin cell of a baby contains 47 chromosomes. Which of the following genetic diseases is the baby suffering from? Haemophilia Albinism Down’s syndrome Turner’s syndrome

14. Question 14 : A cell division process produces four daughter cells from a parent cell. In which of the following parts of the body does this process occur? Skin Liver Alimentary control Testis

15. Question 13 : A change which occurs spontaneously to the structure of gene or chromosome in the nucleus of an organism is known as Mitosis Mutation Variation Meiosis

16. Question 15 : Which of the following statements is/are true about mitosis? It only occurs in somatic cells Replication occurs once only One parent cell produces four daughter cells III only I and II only II and III only I, II and III