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You Are On Multi Choice Question Bank SET 2115
105751. The reaction which converts sugar solution into alcohol is an example of?
(A): saponification (B): hydrogenation (C): fermentation (D): hydrolysis
105752. The Rh factor refers to?
(A): a protein substance found in the blood of some people (B): a hormone carried by the blood (C): the ratio of red corpuscles to white corpuscles in the blood (D): a process that speeds up the clotting of blood
105753. The greatest value of bees to mankind is in?
(A): supplying of food for birds (B): ensuring pollination of certain crop plants (C): storing honey for man's use (D): furnishing beeswax needed in certain specialised industries
105754. Penicillin is widely used as?
(A): an antiseptic (B): a disinfectant (C): an antibiotic (D): an insecticide
105755. Excessive secretion from the pituitary gland in children results in?
(A): increased height (B): retarded growth (C): weakening of bones (D): none of the above
105756. Weight of an object put in a satellite orbiting in space around the earth is?
(A): the same as on the earth (B): slightly more than that on the earth (C): less than that on the earth (D): reduced to zero
105757. Superconductivity is a phenomenon in which the resistance of a substance?
(A): increases with temperature (B): decreases with temperature (C): does not change with temperature (D): becomes zero 'at very low temperatures
105758. The method of estimating the age of the crust of the earth, which is now believed to be the most accurate, makes use of the rate of?
(A): accumulation of sedimentary beds (B): accumulation of salt in the ocean (C): atomic disintegration (radioactivity) (D): loss of heat by the earth
105759. Which of the following statements relating to sound and light is true?
(A): Light IS a form of kinetic energy; whereas sound is a form of potential energy (B): Light can be reflected but sound cannot be (C): Light travels faster in air than does sound (D): Sound travels in waves but light does not
105760. An element common to all acids is?
(A): oxygen (B): hydrogen (C): sulphur (D): chlorine
105761. Which of the following vitamins is stored in the liver?
(A): Vitamin A (B): Vitamin C (C): Vitamin B (D): Vitamin K
105762. The purest form of water can be obtained from?
(A): a deep tubewell (B): a running stream (C): a hot water spring (D): a heavy shower of rain
105763. Exposure to sunlight helps a person improve his health because?
(A): the infra-red light kills bacteria in the body (B): resistance power increases (C): the pigment cells in the skin get stimulated and produce a healthy tan (D): the ultraviolet rays convert skin oil into Vitamin D
105764. Small amounts of iodine are necessary in our diet to?
(A): prevent pellagra (B): compensate for underactivity ofthe thyroid gland. (C): stimulate clotting of blood (D): stimulate pituitary gland
105765. The acoustical engineer is chiefly concerned with?
(A): amplitude (B): frequencies (C): loudness (D): reverberations
105766. Photophobia is?
(A): a disease caused by too much sunlight (B): abnormal intolerance of light (C): the adjustment of the eye for light (D): the ability to perceive light
105767. Cancer is a disease which?
(A): cannot be spread by those who have it (B): is found only in human beings (C): develops only in certain organs of the body (D): is passed from generation to generation
105768. The moon has no atmosphere because?
(A): no atmosphere ever formed there (B): the rocky surface completely absorbed the gases (C): due to the low temperature; gases have condensed (D): its gravitational pull is not strong enough to hold an atmosphere
105769. Rows of trees grown along the coastal areas to reduce the impact of cyclones are known as?
(A): Wind breaks (B): Protection forests (C): Mangroves (D): Shelter belts
105770. The element of an electric stove is made of?
(A): copper (B): invar (C): magnesium (D): nichrome
105771. When cream is separated from milk?
(A): the density of milk decreases (B): the density of milk increases (C): the density of milk remains unchanged (D): it becomes more viscous
105772. For digestion of fat, bile is needed. This is secreted by the?
(A): stomach (B): pituitary gland (C): pancreas (D): liver
105773. All of the following are plant products except?
(A): cork (B): hemp (C): silk (D): linen
105774. Which of the following diseases is generally spread by fleas?
(A): Small pox (B): Tetanus (C): Typhus (D): Yellow fever
105775. Most commonly used bleaching agent is?
(A): alcohol (B): carbondioxide (C): chlorine (D): sodium chloride
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