766: Higher plants take up Nitrogen as:
(a) Nitrites only
(b) Nitrates only
(c) Nitrates and ammonia
(d) Urea
767: Democracy exists in India. Government is run by the elected representatives of the people. For proper functioning of this system:
(a) One should cast vote in elections
(b) One must be prompt in paying taxes
(c) One must be good to himself and to the society
(d) None of these
768: Which one among the following is not a good source of nutritional calcium?
(a) Egg
(b) Skimmed milk
(c) Ragi
(d) Rice
769: Match List I with List II and select the correct answer using the codes given below the Lists :
List I -------------- List II
I. Cotton ---------- (A) Rainfall 1000-1500 mm; Temperature 40° - 60°C
II. Flax ------------ (B) Rainfall 1500-2000 mm; Temperature 25° - 35°C
III. Sugarbeet ------- (C) Rainfall 600 - 800 mm; Temperature 5° - 18°C
IV. Jute ------------- (D) Rainfall 500 - 1000 mm; Temperature 18° - 22°C
--------------------- (E) Rainfall 500 - 600 mm; Temperature 18°- 22°C
Codes:
(a) I-A, II-C, III-D, IV-B
(b) I-B, II-C, III-E, IV-D
(c) I-D, II-E, III-B, IV-A
(d) I-D, II-C, III-E, IV-B
770: An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified districts of the country. What are those crops ?
(a) Rice and Wheat only
(b) Rice, Wheat and pulses only
(c) Rice, wheat, pulses and oil seeds
(d) Rice, Wheat, pulses, oil seeds and vegetables