3111: Graphene is frequently in news recently. What is its importance?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest but strongest materials tested so far.
3. It is entirely made of silicon and has high optical transparency.
4. It can be used as 'conducting electrodes' required for touch screens, LCDs and organic LEDs.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
3112: The 1929 Session of Indian National Congress is of significance in the history of the Freedom Movement because the
(a) Attainment of Self-Government was declared as the objective of the Congress
(b) Attainment of Poorna Swaraj was adopted as the goal of the Congress
(c) Non-Cooperation Movement was launched
(d) Decision to participate in the Round Table Conference in London was taken
3113: Which of the following are associated with diabetes mellitus, a common disease in adults ?
I. Higher sugar level in blood
II. Lower sugar level in blood
III. Lower insulin level in blood
IV. Higher insulin level in blood
Select the correct answer by using the codes given below :
Codes :
(a) II and IV
(b) I and II
(c) II and III
(d) I and III
3114: The Constitution of India was actually ready in
(a) 1947
(b) 1949
(c) 1950
(d) 1952
3115: Match items in the List-I with List-II and select the correct answer using the codes given below the lists:
List I (Person)
(A) V. R. S. Natrajan
(B) A. K. Puri
(C) V. Thulasidas
(D) Jagdish Khattar
List II (Organization)
1. Bharat Heavy Electricals Limited
2. Air India
3. Maruti Udyog Limited
4. Bharat Earth Movers Limited
5. Indian Space Research Organization
(a) 2 1 5 3
(b) 2 3 5 1
(c) 4 3 2 1
(d) 4 1 2 3