146: The famous dialogue between, Nachiketa and Yama is mentioned in the
(a) Chhandogyopanishad
(b) Mundakopanishad
(c) Kathopanishad
(d) Kenopanishad
147: In making the saffron spice, which one of the following parts of the plant is used?
(a) Sepal
(b) Stigma
(c) Leaf
(d) Petal
148: Which one of the following distance-time graph (x-t) represents one-dimensional uniform motion ?
(a) (a)
(b) (b)
(c) (c)
(d) (d)
149: In an objective test there are 60 questions. Each question carries four alternative answers only one of which is correct. Suppose A and B are two candidates both of whom know correct answers to 30 questions. A answers only 30 questions while B answers all 60 questions choosing answers at random for those he does not know the answers of. If each question carries a mark of 1 and no negative marks are awarded, the marks obtained by B are expected to be larger than those obtained by A by
(a) 0
(b) 15
(c) 5
(d) 7.5
150: A wooden block is floating in water. If 4/5 of its volume is immersed in water and volume of the water displaced is 800 ml, the volume of the block is
(a) 1140 ml
(b) 200 ml
(c) 800 ml
(d) 1000 ml