science & tech MCQ section 4 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 46

Which of the following statements are correct?

1. Prithvi-II is a Surface-to-Surface Missile
2. It can carry a 500 kg nuclear warhead
3. It has a range of 350 KM
4. Akash is the naval variant of the Prithvi missile

a) 3 and 4 only

b) 1 and 4 only

c) 1, 2 and 3 only

d) All of these

Question : 47

Which of the following is not a feature of Graphene?

a) Weak

b) Flexible

c) Elastic

d) Lightweight

Question : 48 [SSC CML (PRE) 2000]

The process in which nitrogen is released into the atmosphere is

a) Denitrification

b) Nitirification

c) Biological nitrogen Fixation

d) Ammonification

Question : 49

Which of the following falls in the category of endangered species under the Red data list of IUCN?

a) Snow leopard

b) All of the above

c) Crowned solitary eagle

d) Albatross

Question : 50

Consider the following Statements :

1. The Fast Breeder Test Reactor (FBTR) is at the heart of the Indira Gandhi Centre for Atomic Research (IGCAR) at kalpakkam, and it is a forerunner to the second stage of the country’s nuclear power programme.
2. Fast Reactors use “Fast” (high energy) neutrons to sustain the fission process, in contrast to water colled reactors that use thermal (low energy) neutrons. Fast reactors are commonly known as breeders because they breed more fuel than they consume.

a) 1 only

b) 1 and 2 both

c) 2 only

d) None