2411: 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
2412: Match List I with List II and select the correct answer using the codes given below the Lists:

List I List II

(Institute)-------------------------------------------------(Location)

I. Central Institute of Higher Tibetan Studies----------------(A) Hyderabad

II. Indira Gandhi Institute of Development Research----------(B) Mumbai

III. National Institute of Mental Health and Neuro-sciences---(C) Bangalore

IV. Central Institute of English and Foreign Languages--------(D) Dharamshala

-----------------------------------------------------------(E) Varanasi

Codes:

(a) I-E, II-C, III-D, IV-A
(b) I-E, II-B, III-C, IV-A
(c) I-C, II-B, III-D, IV-E
(d) I-D, II-E, III-A, IV-B
2413: Mycorrhiza is a symbiotic association between

(a) Bacteria and roots of higher plants

(b) Algae and roofs of orchids

(c) Fungi and roots of higher plants

(d) Protozoa and roots of higher plants
2414: Sex of a child is determined by the:

(a) Chromosomes of father

(b) Chromosomes of mother

(c) Rh factor of parents

(d) None of these
2415: A solid cube just gets completely immersed in water when a 0.2 kg mass is placed on it. If the mass is removed, the cube is 2 cm about the water level. What is the length of each side of the cube?

(a) 12 cm
(b) 10 cm
(c) 8 cm
(d) 6 cm