Biology

Question 1

1The stage of meiosis when homologous chromosomes pair and cross over is

Hard

A. metaphase II B. prophase I C. telophase II D. anaphase I

Question 2

2During anaphase of mitosis,

Easy

A. chromosomes condense B. chromatids are pulled to opposite poles C. DNA replicates D. the nuclear membrane forms

Question 3

3Meiosis produces how many daughter cells from one parent cell?

Easy

A. 4 B. 2 C. 8 D. 1

Question 4

4Meiosis produces

Easy

A. four haploid cells that are genetically different B. two identical diploid cells C. one large cell D. only skin cells

Question 5

5The stage of mitosis in which chromosomes line up at the equator is

Easy

A. anaphase B. prophase C. metaphase D. telophase

Question 6

6Crossing over takes place during

Easy

A. binary fission B. meiosis C. budding D. mitosis

Question 7

7Crossing over, which mixes genes between chromosomes, happens during

Medium

A. fertilisation B. meiosis C. binary fission D. mitosis

Question 8

8Meiosis is important because it

Easy

A. repairs tissues B. doubles chromosomes C. produces identical cells D. halves the chromosome number for gametes

Question 9

9A cell with 46 chromosomes undergoes meiosis. Each daughter cell has

Medium

A. 92 chromosomes B. 46 chromosomes C. 23 chromosomes D. 12 chromosomes

Question 10

10A human sperm cell contains how many chromosomes?

Easy

A. 92 B. 22 C. 46 D. 23