1231: Mark the correct answer:
(a) Planets have an apparent motion and twinkle
(b) Planets have no apparent motion but twinkle
(c) Planets have an apparent motion but do not twinkle
(d) Planets have no apparent motion and do not twinkle
1232: A small weight put on the pressure cooker increases the pressure of steam because:
(a) It is air tight
(b) Area of contact is very small
(c) Density of metal is very high
(d) Pressure builds up irrespective of the weight placed
1233: Consider the following statements with reference to the Periodic Table of chemical elements :
I. lonisation potential gradually decreases along a period.
II. In a group of elements, electron affinity decreases as the atomic weight increases.
III. In a given period, electronegativity decreases as the atomic number increases.
Which of these statement(s) is/are correct ?
(a) I only
(b) II only
(c) I and III
(d) II and III
1234: According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?
1. Gharial
2. Indian wild ass
3. Wild buffalo
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1235: which of the following pairs in respect of correct Power generation in India is/are correctly matched ?
(Rounded Figure)
1. Installed electricity generation capacity : 100000 MW
2. Electricity generation : 660 billion kWh
Select the correct answer using the code given below :
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2