436: Which important event immediately preceded Jallianwala Bagh massacre?
(a) Rowlatt Act enactment
(b) Communal award
(c) Coming of Simon Commission
(d) Quit India Movement
437: Assertion (A)
A Rainfall is scanty on the east of Western Ghats.
Reason (R)
The east of Western Ghats is on the lee side.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
438: The cellular and molecular control of programmed cell death is known as
(a) Apoptosis
(b) Ageing
(c) Degeneration
(d) Necrosis
439: Consider the following statements
1. Most of the world's coral reefs are in tropical waters.
2. More than one-third of the world's coral reefs are located in the territories of
Australia, Indonesia and Philippines.
3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests.
Which of the statements given above is/are correct ?
(a) 1 and 2 only
(b) 3 only
(c) 1and 3 only
(d) 1, 2 and 3
440: Total internal reflection can take place when light travels from
(a) diamond to glass
(b) water to glass
(c) air to water
(d) air to glass