1.The noble gases do not react with any other atom because
(a) they are heavy elements (b) they are stable compounds (C) their outermost orbits contain eight electrons (d) None of the above
2.Washing soda is the common name for
(a) Calcium carbonate (b) Calcium bicarbonate (c) Sodium carbonate (d) Sodium bicarbonate
3.Which one of the following is not a mammal?
(a) Bat (b) Duck-billed platypus (c) Shark (d) Whale
3.The phenomenon by which water molecules move from a weaker solution to a stronger solution through a semi-permeable membrane is called
(a) Diffusion (b) Osmosis (c) Transpiration (d) Translocation
4. In the human eye, the focussing is done by
(a) to and fro movement of the eye lens (b) to and fro movement of the retina (c) change in the convexity of the eye lens (d) change in the refractive index of the eye fluids
5.Match the following Disease
Organism A. Cholera
- Bacterium B. Mumps
- Fungus C. Ringworm
- Protozoa D. Sleeping sickness 4. Virus A B C D
A B C D (a) 1 4 2 3
(b) 1 2 4 3 (c) 3 4 2 1 (d) 3 2 4 1
6.The largest flower in the world is that of
(a) Lotus (b) Rafflesia (C) Giant cactus (d) None of these
7.Which vitamin is provided by sunlight to the body ?
(a) Vitamin A (b) Vitamin B (c) Vitamin C(d) Vitamin D
8.Which of the following diseases is caused by the bite of a mad dog ?
(a) Hydrocele (b) Hydrophobia (c) Hydrocephatus (d) Hydroperitoneum
9.The vitamin which is very liable and easily destroyed during cooking as well as storage is
(a) Vitamin A (b) Vitamin B (c) Vitamin C (d) Vitamin K
10.The compound used in anti-malarial drug is
(a) aspirin (b) neoprene (c) isoprene (d) chloroquine
11.Which of the following tests helps in diagnosis of cancer?
(a) X-ray (b) Urine test (c) Blood test (d) Biopsy test
12.Which of the following vitamins is synthesised in the body by intestinal bacteria ?
(a) Vitamin B, (b) Vitamin B (C) Vitamin D (d) Vitamin K
13.Which acid is produced when milk gets sour ?
(a) Acetic acid (b) Tartaric acid (c) Lactic acid (d) Butyric acid
14.Which of the following vitamins can be synthesised by our body ?
Vitamin B. 2. Vitamin D 3. Vitamin E 4. Vitamin K (a) 1 and 2 (b) 2 and 3 (c) 2 and 4
(d) 1 and 4
15.The most important requirement for the people of a flood hit area is
(a) small pox vaccination (b) BCG injection (c) inoculation against cholera (d) None of these
16.Match the following A. BCG Vaccine
- Malaria B. BPL Vaccine 2. Sore throat C. Chloroquin 3. Tuberculosis D. Penicillin
Rabies A B C D OR A B C D
(a) 3 4 1 2 (b) 3 4 2 1 (c) 4 2 3 1 (d) 4 3 2 1
17.Which of the following are correctly matched ?
- Tse tse fly -Sleeping sickness 2. Female-anopheles mosquito-Malaria 3. Sand fly- Kala azar (a) 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) All of these of
18.During sleep a man’s blood pressure
(a) increases (b) decreases (c) remains constant (d) fluctuates
19.Sugar syrup is used for the preservation of fruits because it ab
(a) kills the microorganisms present in them (b) helps to improve their taste and flavour (c) drains moisture to inhibit growth of microorganisms (d) mixes well with the fruits
20.Bionics is the science of
application of mathematics to the study of living things 2. application of the knowledge of the living world characteristics to the world of machines 3. study of relation of an organism to its environment 4. study of laws of life (a) 1 and 2 COSS (b) Only 2 (c) Only 3 (d) 1 and 4
21.Salt is used in our food because
(a) it makes the food tasty (b) we sweat and lose salt (c) it helps in production of hydrochloric acid required to digest the food (d) it makes water absorb food particles better
22.The vitamin which is generally excreted by humans in urine is
(a) vitamin A (b) vitamin D (c) vitamin C (d) None of these
23. A person who lives exclusively on milk, egg and bread is likey to become a victim of
(a) rickets (b) scurvy (C) xerophthalmia (d) None of these
24.In the rabbit and horse, the appendix
(a) is very small (b) helps in digestion of cellulose (C) has no use (d) stores food
25.A girl ate sweets while fanning the flies away. Due to this, she suffered from a disease diagnosed as
(a) kwashiorkare (b) tuberculosis (c) diphtheria (d) cholera
26. Which of the following has been found useful in keeping cholesterol level down?
(a) Tulsi (b) Turmeric (c) Garlic (d) Serpentina
27.Ready source of energy available for athletes is
(a) carbohydrates (b) fats (C) proteins (d) vitamins
28. Milk, cheese and eggs are the source of vitamins ?
(a) B and C (b) A and C (c) C and D SE3933 (d) A and D
29. For pasteurisation of milk by Flash method, milk is heated to a temperature of
(a) 10°C (b) 37°C (c) 72°C (d) 100°C
30.Transfer of genetic information from one generation to the other is accomplished by
(a) DNA (b) messenger RNA (c) transfer RNA (d) Both ‘b’ and ‘C’
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