36: "3D printing" has applications in which of the following?
1. Preparation of confectionery items
2. Manufacture of bionic ears
3. Automotive industry
4. Reconstructive surgeries
5. Data processing technologies
Select the correct answer using the code given below :
(a) 1, 3 and 4 only
(b) 2, 3 and 5 only
(c) 1 and 4 only
(d) 1, 2, 3, 4 and 5
37: Antyodaya scheme is meant:
(a) To help the Muslims
(b) To help the Harijans
(c) To help the minorities
(d) To help the economically weakest sections of the society
38: The rich source of iron is:
(a) Eggs
(b) Green vegetables
(c) Pulses
(d) Milk
39: Though a few (gas-based) industries have already been established good reserves of natural gas in India remain unutilised. This vast resource of natural gas can be used in the production of
(a) fertilizers
(b) carbide
(c) graphite
(d) synthetic petroleum
40: Assertion (A) :
To dilute sulphuric acid, acid is added to water and not water to acid.
Reason (R) :
Specific heat of water is quite large.
(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 a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true