Subject :NSO Class : Class 7
Read the given statements and select the option that correctly identifies them as true (T) and false (F) ones.
(i) Llama and alpaca are breeds of wool yielding camels.
(ii) Cocoon of silkworm secretes fibre made of protein which hardens on exposure to air and becomes silk fibre.
(iii) Anthrax is an occupational disease of wool industry caused by Bacillus anthracis.
| (i) | (ii) | (iii) | |
|---|---|---|---|
| A | T | F | F |
| B | T | F | T |
| C | F | F | T |
| D | T | T | F |
Sorter's disease is an occupational disease of wool industry caused by Bacillus anthracis.
Ans 1:
Class : Class 3
Ans 2:
Class : Class 8
Ans 3:
Class : Class 8