1161. Washing soda in water behaves like __________.

A. Alkaline
B. Acidic *
C. Neutral
D. None of these

1162. The gland which maintain body temperature is the ___________.

A. Pituitary gland
B. Thyroid gland *
C. Adrenals
D. Hypothalamus

1163. Vinegar is prepared by the _________.

A. Fuming of date palms
B. Fermentation of rotten grapes *
C. Fermentation of apple cider in the presence of air.
D. Dehydration of wine

1164. The longest and the strongest bone in the human body is _________.

A. Tibia
B. Pelvis
C. Femur *
D. Jaw

1165. Recently, a group of scientist successfully cloned eight calves from the cells of a single cow. the experiment took place in __________.

A. Japan
B. Britain *
C. Switzerland

1166. Which one of the following colours has the longest wavelength ?

A. Yellow
B. Blue
C. Red *
D. Green

1167. Which one of the following can be used to focus sunlight ?

A. Plane mirror
B. Concave lens
C. Concave mirror *
D. Convex mirror

1168. What does a sphygmomanometer measure ?

A. Blood pressure *
B. Atmospheric pressure
C. Pressure at the workplace
D. Lung pressure

1169. A light year is the unit of ___________.

A. Light
B. Speed
C. Distance *
D. Space

1170. If A U-238 nucleus splits into two identical parts, the two nuclei so produced will be __________.

A. Radioactive *
B. Stable
C. Isotopes
D. Isobars

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