Question

Answer in one word/ sentence
1. which substance is used in case of fracture in bones?
2. from where does saprophytic plant take food?
3. how many types of plant hormones are there?
4. who give theory of natural selection?
5. what is the E.M.F. of Dry cells?
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Answer 1

Answer:

1. plaster of paris

2. Dead and decayed plants and animals

3.5 major types

4. charles Darwin

5. Carbon - zinc