6. Plant ash contains:

(a) Calcium (b) Potassium

(c) Silver (d) Tin

7. The native place of Cactus:

(a) Australia (b) China

(c) Africa (d) America

8. Which is also known as ‘Paper flower’?

(a) Dahlia (b) Sunflower

(c) Bogainvilla (d) Rose

9. The pollen grains in plants are produced in.......

(a) Anther (b) Carpel

(c) Ovary (d) Ovule

10 The excretory organ of Insects:

(a) Book lung (b) Nephredia

(c) Kidney (d) Malpighian Tube

11. Arsphenamine, also known as Salvarsan and 606, is a drug that uses against:

(a) Syphilis (b) Cancer

(c) AIDS (d) Tuberculosis

12. Trypanosomiasis is caused by:

(a) Fungus (b) Virus

(c) Protozoa (d) Bacteria

ANSWERS: 6(b) 7(d) 8(c) 9(a) 10(d) 11(a) 12(c)