3716: Match List I with List II and select the correct answer by using codes given below the lists :
List I List II
I. Vitamin : (A) Pepsin
II. Enzyme : (B) Carotene
III. Hormone : (C) Keratin
IV. Protein : (D) Progesterone
Codes:
(a) I - A, II - B, III - C, IV - D
(b) I - B, II - A, III - D, IV - C
(c) I - B, II - A, III - C, IV - D
(d) I - A, II - B, III - D, IV - C
3717: Consider the following statements :
I. Most magmas are a combination of liquid, solid and gas.
II. Water vapour and carbon dioxide are the principal gases dissolved in a magma.
III. Basaltic magma is hotter than the silicic magma.
IV. The magma solidified between sedimentary rocks in a horizontal position is known as dike.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I, II and IV
3718: A suitable site of a cement plant requires proximity to:
(a) Coal and iron
(b) Limestone and manganese
(c) Limestone and gypsum
(d) Coal and gypsum
3719: Consider the following statements:
1. The common blue green algae Spirogyra and Ulothrix are found in both fresh water ponds and oceans.
2. The chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
3720: The Ravva offshore block, with great potential for oil, is located in
(a) Krishna-Godavari basin
(b) Cauvery basin
(c) Mahanadi basin
(d) Palar-Pennar basin