189. Chlorophyll containing unicellular plants are called
(a) Fungi
(b) Algae
(c) Weeds
(d) Bacteria
190. Which one of the following qualities of diamond is expressed in terms of carat ?
(a) Volume
(b) Weight
(c) Colour
(d) Lustre
191. Cooling in refrigeration is achieved by
(a) The contact with a cooler material
(b) The evaporation of a volatile liquid
(c) The condensation of a volatile liquid
(d) The compression and expansion of a volatile liquid
192. A solution of common salt in water contains
(a) Natural atoms of chlorine and sodium
(b) Positive ions of sodium and negative ions of chlorine
(c) Negative ions of sodium and positive ions of chlorine
(d) Molecules of sodium chloride
193. Which one of the following diseases pertains to eye ailment?
(a) Nephritis
(b) Conjunctivitis
(c) Diptheria
(d) Coronary thrombosis
194. A dodo is
(a) An animal found in Australia
(b) A turkey sized flightless bird, which is now extinct
(c) A species of plant found only in the northern hemisphere
(d) A poisonous water snake
195. The unit of energy produced in the body due to nutrition is
(a) Erg
(b) Calorie
(c) Joule
(d) Watt
196. Which of the following is a fish ?
(a) Seahorse
(b) Cuttle fish
(c) Jelly fish
(d) Star fish
197. Which of the following groups is that of draught animals ?
(a) Cow, Buffalo, Cat
(b) Cat, Dog, Mule
(c) Bull, Elephant, Mule, Camel
(d) Deer, Ox, Snake
198.A branch of science dealing with study of cells is known as
(a) Ecology
(b) Cytology
(c) Anatomy
(d) Histology
199.Which of the following is not an infectious disease ?
(a) Typhoid
(b) Pyorrhoea
(c) Small pox
(d) Whooping cough
200.The greenish yellow colour seen on a hard boiled egg is due to the
(a) Alkaline nature of the egg
(b) Prolonged boiling
(c) Formation of hydrogen sulphide
(d) Formation of some non compound
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