2436: Consider the following geological phenomena :
1. Development of a fault
2. Movement along a fault
3. Impact produced by a volcanic eruption
4. Folding of rocks
Which of the above cause earthquakes?
(a) 1, 2 and 3
(b) 2 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
2437: Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of
(a) anti-malarial drug
(b) biodiesel
(c) pulp for paper industry
(d) textile fibre
2438: Who among the following scientists shared the Nobel Prize in Physics with his son?
(a) William Henry Bragg
(b) Enrico Fermi
(c) Max Planck
(d) Albert Einstein
2439: An accurate clock shows the time as 3.00. After hour hand has moved 135°, the time would be
(a) 7.30
(b) 6.30
(c) 8.00
(d) 9.30
2440: A conveyer belt delivers baggage at the rate of 3 tons in 5 minutes, and a second conveyer belt delivers baggage at the rate of 1 ton in 2 minutes. How much time will it take to get 33 tons of baggage delivered using both the conveyer belts ?
(a) 25 minutes and 30 seconds
(b) 30 minutes
(c) 35 minutes
(d) 40 minutes and 45 seconds