Belonging to the Phylum Annelida, Earthworms are invertebrates. These annelids are usually found inhabiting soil, making it fertile, which is of great economic importance. They have a segmented, long cylindrical body and are hermaphrodites. Earthworms feed on dead organic matter. Explore important MCQs on Earthworm here.

Also Check:

1. The earthworm is placed under the group

(a) Polychaeta

(b) Hirudinea

(c) Oligochaeta

(d) Crustacea

Answer: (c)

2. The parasite found in the seminal vesicle of earthworms are

(a) Nosema

(b) Sarcocystis

(c) Monocystis

(d) Nyctotherus

Answer: (c)

3. The typhlosole in earthworm is related to

(a) respiration

(b) excretion

(c) absorption

(d) reproduction

Answer: (c)

4. Colour of the body in earthworms is due to the presence of

(a) Haemoglobin

(b) Blood

(c) Porphyrin

(d) Haemocyanin

Answer: (c)

5. Region of earthworm that is a forest of nephridia is

(a) Pharyngeal region

(b) Clitellar region

(c) Typhlosolar region

(d) Intestinal region

Answer: (b)

6. Chloragogen cells are found in

(a) Blood of earthworm

(b) The coelomic fluid of the earthworm

(c) Blood of cockroach

(d) The body wall of leucosolenia

Answer: (b)

7. This animal does not show any metamorphosis of larval stage

(a) Asteria

(b) Musca domestica

(c) Pheretima Posthuma

(d) Butterfly

Answer: (c)

8. The most effective organ for food digestion in earthworm is

(a) Mouth

(b) Buccal cavity

(c) Pharynx

(d) Stomach

Answer: (c)

9. The typhlosole found in Pheretima occurs in

(a) Stomach

(b) Intestine

(c) Oesophagus

(d) Gizzard

Answer: (b)

10. In earthworm, the mouth is located on

(a) Stomium

(b) Peristomium

(c) Prostomium

(d) Protostomium

Answer: (b)

Important MCQs for NEET Biology:

Comments

Leave a Comment

Your Mobile number and Email id will not be published.

*

*