1161. Washing soda in water behaves like __________.
B. Acidic *
D. None of these
1162. The gland which maintain body temperature is the ___________.
A. Pituitary gland
B. Thyroid gland *
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 _________.
C. Femur *
1165. Recently, a group of scientist successfully cloned eight calves from the cells of a single cow. the experiment took place in __________.
B. Britain *
1166. Which one of the following colours has the longest wavelength ?
C. Red *
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 ___________.
C. Distance *
1170. If A U-238 nucleus splits into two identical parts, the two nuclei so produced will be __________.
A. Radioactive *