Earthworm possesses hearts: - Vidyadip

MCQ

Earthworm possesses hearts:

A
6 pair.
B
4 pair.
C
2 pair.
D
1 pair.

✓

Answer

4 pair.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Animal Kingdom→Animal Kingdom — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which one of the following statements given below is not included in universal rules of nomenclature?

Respiratory enzymes are located in:

Given below are two statements : one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.

Assertion $(A)$:All vertebrates are chordates but all chordates are not vertebrates.

Reason $(R)$:Notochord is replaced by vertebral column in the adult vertebrates.

In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following organisms is a good indicator of pollution in an environment?

Estrogen and testosterone are steroid hormones, and most likely bind to:

In which one of the following pairs the two items mean one and the same thing

When you take cells or tissue pieces and grind them with an acid in a mortar and pestle, all the small biomolecules dissolve in the acid. Proteins, polysaccharides and nucleic acids are insoluble in mineral acid and get precipitated. The acid soluble compounds include aminoacids, nucleosides, small sugars etc. When one adds a phosphate group to a nucleoside, one gets another acid soluble biomolecule called.

The fibres of commercial importance are obtained from:

A chemical signal that has both endocrine and neural roles is

The best stage to count the number of chromosomes during mitosis is or structure of chromosomes can be best seen at