3026: Which of the following is/are used as biofertilizers ?
I. Azolla
II. Blue-green algae
III. Alfalfa.
Select the correct answer using the codes given below.
Codes:
(a) II alone
(b) I and II
(c) I and III
(d) I, II and III
3027: A rectangle has a perimeter of 50 meters. If its length is 13 metres more than its breadth, then its area is
(a) 124 m2
(b) 144 m2
(c) 114 m2
(d) 104 m2
3028: Council of Ministers of the Union of India is responsible to:
(a) Rajya Sabha
(b) Prime Minister
(c) President
(d) Lok Sabha
3029: Which one of the following is correctly matched ?
(a) Thyagaraja -- Tamil
(b) Purandara Das -- Kannada
(c) Jnaneshwar -- Bengali
(d) Sankaradeva -- Gujarati
3030: In India, the ports are categorized as major and non-major ports. Which one of the following is a non-major port?
(a) Kochi (Cochin)
(b) Dahej
(c) New Mangalore
(d) Paradip