STD-4, CHAPTER-6: INSECTS, EXERCISE QUESTION AND ANSWERS

 A.     FILL IN THE BLANKS.

1.      Butterflies are attracted to ______ flowers

Ans: coloured or scented (both are correct)

2.      Honeybees suck ______ from flowers.

Ans: nectar

3.      The six-sided chambers of beehives are called ________.

Ans: Combs

4.      Malaria is spread by the bite of female _________.

Ans: Anopheles

5.      The cover, weaved by a silk moth, around itself is called a _______.

Ans: Cocoon

6.      Bees and ______ are stinging insects.

Ans: wasp

B.      WRITE TRUE OR FALSE FOR THE FOLLOWING STATEMENTS:

1.      Insects help in pollination.                                                               True

2.      Lac insects grow on banyan trees.                                                 True

3.      Houseflies spread malaria.                                                              False

4.      Aedes mosquito spreads dengue.                                                  True

5.      Bubonic plague is caused by a mosquito.                                     False

 

C.      TICK THE CORRECT OPTION.

 

1.      The insect, that usually spreads jaundice, is the-

(a)   Mosquito        (b) wasp          (c)  housefly       (d) butterfly

      Ans: housefly

2.      Honeybees make honey from –

(a)   lac       (b) nectar           (c) milk           (d) sugar

      Ans: nectar

3.      The sting of insects, like the bees and wasps, is located on their –

(a)   wing       (b)  back       (c) mouth       (d) leg

       Ans: back

4.      An insect, that helps to save our crops from pests, is the–

(b)   wasp       (b)  lady bird beetle       (c) bee       (d) butterfly

       Ans: lady bird beetle