SNAIL

Take three test-tubes. Fill 3/4th of each with water. Label them A, B and C. Keep a snail in test-tube A, a water plant in testtube B and in C, keep snail and plant both. Which test-tube would have the highest concentration of CO_(2) ?

In the question, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/ Phrase and choose the option corresponding to it. At a snail's pace

A list of animals is given below, identify the animals with open circulatory system and choose the correct answer. I. Ascidia II. Cockroach III. Earthworm IV. Prawn Vgt Silverfish VI. Snail VII. Balanoglossus.