An organisms lacks complete digestive tract is
I. Jellyfish
II. Mollusk
III. Earthworm

I, II and III

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I only

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

II only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

III only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I and III only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D I only
Jellyfish have an incomplete digestive system as the same orifice is used for both food intake and waste expulsion. Mollusk and earthworm have a complete digestive system with distinct openings for food intake and waste expulsion.
Therefore, the correct answer is option B.

Suggest Corrections

Similar questions

Q. I. Jellyfish
II. Mollusk
III. Earthworm
Absence of digestive tract is shown by

In a group of 950 perssons , 750 can speak hindi and 460 can speak english only

i) how many can speak both hindi and english

ii)how many can speak hindi only

iii) how many can speak english only

Q. A complete digestive tract consists of an oral and an anal opening.

The two organisms which breathe only through their moist skin are :
(a) fish and frog
(b) frog and earthworm
(c) leech and earthworm
(d) fish and earthworm

Choose the correct statements regarding the gastric juices.

I. Pepsin converts proteins into peptones partially.

II. Hydrochloric acid kills the germs present in food and regulates pH for digestion in the stomach.

III. Mucus protects the stomach wall from the action of digestive juices.

Join BYJU'S Learning Program

An organisms lacks complete digestive tract isI. JellyfishII. MolluskIII. Earthworm

An organisms lacks complete digestive tract is
I. Jellyfish
II. Mollusk
III. Earthworm