MCQs ON PRACTICAL SKILLS- CLASS IX BIOLOGY

EXPERIMENT NO.5

AIM: To observe earthworm, cockroach, bony fish and bird.

1.Identify the organism - the body is divided into head, thorax and abdomen having biting and chewing mouth parts

a. pigeon

b. fish

c. earthworm

d. cockroach

2. The common adaptive feature of bony fish

a. skin is covered with scales

b. obtain dissolved oxygen of water using gills

c.  have muscular tail for movement

d. all the three

3. Most characteristic feature of earthworm to be in phylum annelida

a. anus

b. clitellum

c. annuli

d. peristomium

4.Identify- warm blooded, 4 chambered heart and oviparous

a. earthworm

b. cockroach

c. bony fish

d. birds

5.Which is not an aquatic adaptation-

a. skin is covered with scales

b. gaseous exchange through gills

c. presence of muscular tail

d. all of the above characters

6. which is an aerial adaptation-

a. hollow bones

b. jointed legs

c. scales on body

d. cold-blooded

7. Chewing mouth parts found in

a. earthworm

b. leech

c. cockroach

d. birds

Answers : -

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