4136: Which of the following pairs is/are correct?

(A) Main root : Storage

(B) Lateral root : Absorption

(C) Root hair : Conduction

(a) Only A

(b) A and C

(c) All are correct

(d) None of the above
4137: If water contracts on freezing, which of the following would happen?

(a) Icebergs will completely float on the surface of water

(b) Ice would become more dense

(c) Lakes would freeze from top to bottom

(d) Rocks will crack due to freezing or internal water
4138: Consider the following statements:

1. Sweet orange plant is propagated by grafting technique.

2. Jasmine plant is propagated by layering technique.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 & 2
(d) Neither 1 nor 2
4139: With reference to the provisions made under the National Food Security Act, 2013 consider the following statements:

1. The families coming under the category of 'below poverty line (BPL)' only are eligible to receive subsidised grains.
2. The eldest woman in a household, of age 18 years or above, shall be the head of the household for the purpose of issuance of a ration card.
3. Pregnant women and lactating mothers are entitled to a take-home ration' of 1600 calories per day during pregnancy and for six months thereafter.

Which of the statements given above is/are correct?

(a) 1 and 2
(b) 2 only
(c) 1 and 3
(d) 3 only
4140: Under which Article of the Indian Constitution did the President make a reference to the Supreme Court to seek the Court's opinion on the Constitutional validity of the Election Commission's decision on deferring the Gujarat Assembly elections (in the year 2002)?

(a) Article 142
(b) Article 143
(c) Article 144
(d) Article 145