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Which of the following are true with ref...

Which of the following are true with reference to taxonomical aids?
1. Separate taxonomic keys are required for each taxonomic category.
2. Herbarium is a store house of collected plant and animal specimens.
3. Each statement in the key is called couplet.
4. Keys are used for identification purpose.

A

A and B

B

A and D

C

A and C

D

C and D

Text Solution

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The correct Answer is:
D
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