2546: Which of the following types of light are strongly absorbed by plants?
(a) Blue and red
(b) Yellow and violet
(c) Violet and orange
(d) Indigo and yellow
2547: Consider the following kinds of organisms:
1. Bacteria
2. Fungi
3. Flowering Plants
Some species of which of the above kinds of organisms are employed as biopesticides?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2548: The Directive Principles of State Policy have been given precedence over Fundamental Rights in the ___ Constitutional Amendment.
(a) 41st
(b) 42nd
(c) 43rd
(d) 45th
2549: Consider the following statements :
1. The Commonwealth has no charter, treaty or constitution.
2. All the territories/countries once under the British empire (jurisdiction/rule/mandate) automatically joined the Commonwealth as its members.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2550: Foot-and-Mouth disease in animals, a current epidemic in some parts of the world, is caused by
(a) Bacterium
(b) Fungus
(c) Protozoan
(d) Virus