GK - General Science 9

1. Who amongst the following scientists performed the experiment to show that ‘life begets life’?

a) Alexander Fleming
b) Joseph Lister
c) Louis Pasteur
d) Linus Pauling

2. Which organ filtrates wastes from the blood in human body?

a) heart
b) lungs
c) kidneys
d) intestines

3. Which one of the following is an abundant source of vitamin A, E and C?

a) Radish
b) Turnip
c) Carrot
d) Beet root

4. Which of the following animals has the blood anti-coagulant in the alimentary system?

a) Snail
b) Leech
c) Snake
d) Octopus

5. In elephants, the tusks are

a) incisors
b) molars
c) canines
d) enlarged cartilaginous bones

6. The chief ingredient of the mosquito repellent cream is derived from?

a) tulsi
b) neem
c) lemon
d) garlic

7. Which of the following is not an essential micronutrient for plants?

a) zinc
b) copper
c) boron
d) sodium

8. Which one of the following is the offending substance in the liquor tragedies leading to blindness etc?

a) ethyl alcohol
b) amyl alcohol
c) benzyl alcohol
d) methyl alcohol

9. Which one of the following is a vitamin?

a) pepsin
b) carotene
c) keratin
d) progesterone

10. Which one of the following is a protein?

a) pepsin
b) carotene
c) keratin
d) progesterone

11. According the World Health Organization which of the following diseases causes the death of the largest number of people?

a) AIDS
b) Tuberculosis
c) Malaria
d) Ebola

12. Which of the following professionals are more likely to run the risk of a permanent change in their cell’s DNA?

a) researchers using carbon – 14 isotope
b) X-ray technicians
c) Coal miners
d) Dyers and painters

13. Which of the following nutrient is not present in milk?

a) calcium
b) iron
c) potassium
d) protein

14. In what form is the food in onion stored?

a) sugar
b) cellulose
c) starch
d) protein

15. Excessive vomiting and diarrhea may result in the decrease of which of the following in the blood stream?

a) calcium
b) sodium
c) iron
d) phosphorus

16. Which pair contains vitamins of B-group?

a) riboflavin and tocopherol
b) niacin and thiamine
c) thiamine and calciferol
d) riboflavin and retinol

17. The deficiency of which of the following causes goiter?

a) vitamin B1
b) insulin
c) bile
d) iodine

18. Which of the following causes kala-azar?

a) mosquitoes
b) rat-flea
c) sand-fly
d) tsetse-fly

19. Which of the following is not a source of vitamin C?

a) potato
b) mango
c) fish
d) carrot

20. Sea-kelp is an important source of which of the following nutrients?

a) calcium
b) iodine
c) potassium
d) iron

21. Which of the following is a specific test for the detection of tuberculosis?

a) Widal’s
b) Mantaux’s
c) Kahn’s
d) Robert’s

22. Which of the following organs synthesize bile?

a) liver
b) spleen
c) gall bladder
d) pancreas

23. What are plants that grow under average conditions of temperature and pressure called?

a) mesophytes
b) halophytes
c) xerophytes
d) hydrophytes

24. Kupffer cells which break down hemoglobin into bile are located in

a) spleen
b) pancreas
c) liver
d) duodenum

25. The study of old age, its phenomena and disease is known as

a) dactylography
b) genecology
c) gerontology
d) ornithology

Answers