Integrated Science

Question 1

1The transfer of pollen from an anther to a stigma is

Easy

A. pollination B. dispersal C. germination D. fertilisation

Question 2

2The male reproductive cells in humans are

Easy

A. sperm B. embryos C. eggs D. zygotes

Question 3

3The hormone that maintains the uterine lining during pregnancy is

Hard

A. testosterone B. insulin C. progesterone D. oestrogen only

Question 4

4A flower with both stamens and carpels is

Hard

A. incomplete only B. sterile C. unisexual D. bisexual (hermaphrodite)

Question 5

5In a 28-day menstrual cycle, ovulation usually occurs around

Hard

A. day 28 B. day 5 C. day 1 D. day 14

Question 6

6Which of these is a method of family planning?

Easy

A. use of condoms B. early marriage C. having many children D. skipping meals

Question 7

7A fertilised egg is called a

Easy

A. zygote B. spore C. gamete D. foetus

Question 8

8Which structure supplies the human foetus with food and oxygen from the mother?

Easy

A. oviduct B. placenta C. cervix D. amniotic fluid

Question 9

9Pollination by insects is helped by flowers that have

Easy

A. bright petals and nectar B. no petals C. hanging stamens and feathery stigmas D. very light, smooth pollen only

Question 10

10The female reproductive cell in humans is the

Easy

A. sperm B. ovum (egg) C. zygote D. placenta