Subject :NSO Class : Class 8
Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.
(i) Diatoms are marine algae which float in water due to the presence of light storage fats with silica.
(ii) AIDS virus kills WBC and reduces immunity of the body.
(iii) Escherichia coli is present in intestine of human where they help in digestion of food.
(iv) A virus always consists of double strands of DNA or RNA surrounded by protein coat.
| (i) | (ii) | (iii) | (iv) | |
| A | T | F | T | F |
| B | T | T | T | F |
| C | T | T | F | F |
| D | T | F | T | T |