Biology

Question 1

1The stage of a grasshopper's life cycle that resembles the adult but has no wings is the

Easy

A. larva B. imago C. pupa D. nymph

Question 2

2Complete metamorphosis involves the stages

Hard

A. egg, nymph, adult B. larva, adult C. egg, larva, pupa, adult D. egg, adult

Question 3

3The silkworm is economically important because it

Easy

A. produces silk B. destroys wood C. spreads disease D. pollinates crops

Question 4

4The life cycle of a butterfly is

Easy

A. egg → nymph → adult B. egg → adult C. larva → egg → adult D. egg → larva (caterpillar) → pupa → adult

Question 5

5Locusts are harmful because they

Easy

A. eat pests B. destroy crops in swarms C. make honey D. pollinate flowers

Question 6

6The weevil damages stored grain mainly at the

Hard

A. adult flying stage only B. pupal stage only C. larval stage feeding inside the grain D. egg stage

Question 7

7In a honeybee colony, the sterile females that collect nectar and care for the young are the

Easy

A. queens B. larvae C. workers D. drones

Question 8

8Honeybees are economically important because they

Easy

A. spread malaria B. pollinate crops and produce honey C. eat wood D. destroy crops

Question 9

9The housefly spreads diseases such as typhoid by

Easy

A. stinging B. biting people C. laying eggs in blood D. carrying germs on its legs and body from filth to food

Question 10

10Termites cause damage by

Easy

A. producing silk B. eating aphids C. pollinating flowers D. eating wood in buildings and crops