Question

State true or false:
1. A magnet need not always have two poles.
2. iron can be used to make permanent magnets
3. A circuit is a path through which electricity flows.
4. A tissue always performs the same function.
5. The respiratory system excretes waste.
6. Different habitats support different forms of life.
7. The filter-like beaks of ducks help them swim.
8. Water is transported by the xylem tubes.
9. Rickets is caused by the deficiency of vitamin C.
10. Goiter is caused by the deficiency of iodine.
11. Magnet can never lose their property of magnetism.
12. Magnets attract all metals.
13. Burning things are called combustion.
14. Silk is an animal fibre.
15. Melting of ice is reversible changes.​

Answer 1

Answer:

1. false

2. False

3. True

4. True

5. False

6. True

7. true

8. False

9. False

10. True

11. False

12. True

13. True

14. True

15. True