1.
The father’ age is six times his son’s age.
Four years hence, the age of the gather will be four times his son’s age. The
present age, in years, of the son and the father are, respectively
(a) 4 and 24
(b) 5 and 30
(c) 6 and 36
(d) 7 and 42
(a) 4 and 24
(b) 5 and 30
(c) 6 and 36
(d) 7 and 42
2.
What do you see when barium chloride is
added to dilute sulphuric acid?
(a) Dense white fumes are given out
(b) Solution remains colourless
(c) Liberation of large amount of heat
(d) White precipitate forms
(a) Dense white fumes are given out
(b) Solution remains colourless
(c) Liberation of large amount of heat
(d) White precipitate forms
3.
Which is used as an antifreeze?
(a) Isopropyl alcohol
(b) Methyl alcohol
(c) Acetone
(d) Formaldehyde
(a) Isopropyl alcohol
(b) Methyl alcohol
(c) Acetone
(d) Formaldehyde
4.
Energy is transferred from light reaction
to the dark reaction by
(a) ADP
(b) ATP
(c) RuDP
(d) All of these
(a) ADP
(b) ATP
(c) RuDP
(d) All of these
5.
Electric current passes through an
electrolyte due to the drift of
(a) free electrons
(b) positive and negative ions
(c) free electrons and holes
(d) protons
(a) free electrons
(b) positive and negative ions
(c) free electrons and holes
(d) protons
6.
The weight of an object will be minimum
when it is placed at the
(a) North Pole
(b) South Pole
(c) Equator
(d) Centre of Earth
(a) North Pole
(b) South Pole
(c) Equator
(d) Centre of Earth
7.
Find the least number which when divided by
35,45 and 55 leaves the reminder 18,28 and 38 respectively
(a) 2981
(b) 2670
(c) 3120
(d) 3448
(a) 2981
(b) 2670
(c) 3120
(d) 3448
8.
Malaria disease affects which part of the
body?
(a) Spleen
(b) Liver
(c) Lungs
(d) Bones
(a) Spleen
(b) Liver
(c) Lungs
(d) Bones
9.
In human urea is formed in the
(a) Liver
(b) Spleen
(c) Kidneys
(d) Ureter
(a) Liver
(b) Spleen
(c) Kidneys
(d) Ureter