3026: Tides occur in the oceans and seas due to which among the following?
1. Gravitational force of the Sun
2. Gravitational force of the Moon
3. Centrifugal force of the Earth
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3027: Which of the following pairs is not correctly matched?
(a) Arjun : Indigenously produced Main Battle Tank (MBT)
(b) Phalcon : Cruise missile supplied by Russia to India
(c) Saras : Indigenously developed civilian passenger aircraft
(d) Operation : New Indian Naval Base at Karwar Seabird
3028: Consider the following famous names:
1. Amrita Sher Gil
2. Bikash Bhattacharjee
3. N. S. Bendre
4. Subodh Gupta
Who of the above is/are well known as artist(s)?
(a) 1 only
(b) 1 and 4 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
3029: Which of the following features of DNA makes in uniquely suited to store and transmit genetic information from generation to generation ?
(a) Complementarity of the two stands
(b) Double helix
(c) Number of base-pairs per turn
(d) Sugar-phosphate backbone
3030: Alpha-keratin is a protein present in
(a) blood
(b) skin
(c) wool
(d) eggs