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You Are On Multi Choice Question Bank SET 1839

91951. Name the poison present in tobacco?

91952. Which metal when placed on a palm itself gets melted?

91953. The cricket player catches the speeding ball by gradually pulling his arms back with the ball so that?

91954. Water for civil supplies is commonly purified by?

91955. Which of the following chemicals is used in photography?

91956. Alcoholic drink contains?

91957. Name the gas used for making vegetable ghee?

91958. Which of the following gases finds its application in extinguishing fire?

91959. What is the chemical name of a substance which kills rats?

91960. The boiling point of water can be raised by?

91961. Which of the following regulates the quantum of light entering the human eye?

91962. The chief value of perspiration is that it?

91963. Which of the following is rich in all the three foods - carbohydrates, proteins and fats?

91964. Which of the following diseases is caused by a virus?

91965. When milk is converted into curd, the sour taste is due to?

91966. The function of haemoglobin in the human body is to?

91967. A compound is a substance which?

91968. A piece of wire is drawn uniformly until its length becomes double. Its resistance will?

91969. Thermostat is a device for?

91970. The important ingredient present in coffee is?

91971. Fats and carbohydrates are an essential part of our food because they?

91972. Which of the following substances is a polymer of isoprene?

91973. In which of the following activities is silicon carbide used?

91974. The basic reason for the extraordinary sparkle of a suitably cut diamond is that?

91975. The type of motion performed by the needle of an ordinary sewing machine is?

91976. Things weigh less on the moon than on the earth because?

91977. Which of the following is the best source of vitamin A?

91978. For making electric wire, why is copper used?

91979. Small drops of a liquid are spherical in shape because?

91980. Which one of the following glands controls the development of sex organs in humans?

91981. Which of the following organisms causes tuberculosis?

91982. Sulpha drugs are effective against diseases caused by?

91983. Water is a compound because?

91984. For being able to see three-dimensional pictures; we have to use?

91985. Ringworm affects?

91986. Acupuncture means?

91987. Which of the following acts as an insulator against heat, cold and as a shock absorber in the body?

91988. The plants stop both respiration and photosynthesis for some • time?

91989. The walls of a thermos-bottle are polished to prevent?

91990. Which one of the following is not a disease of the plants?

91991. Four balls of the same mass, but made of different metals, are exposed to sunlight. Which one of the balls made of the following metals will get heated most?

91992. The thyroid gland in the human body is located in/near the?

91993. The unit for measurement of energy produced by food in the human body is called?

91994. If the distance from a source of light is halved, the intensity will?

91995. The sun rays falling on a thin film of oil spread over a water surface breaks into different colours. This is due to?

91996. The pitch of the voice of women is in general?

91997. A common periscope is used to see outside objects above the water surface from inside a submarine. For deflection of light, it uses?

91998. Manufacture of hydrogen bomb involves the principle of?

91999. Which of the following elements is present in the highest percentage in living matter?

92000. Steel-is more elastic than rubber because?

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