81: Higher plants take up Nitrogen as:
(a) Nitrites only
(b) Nitrates only
(c) Nitrates and ammonia
(d) Urea
82: Which of the following presents the most significant features of Indus Valley Civilisation?
(a) Buildings with perfect arches
(b) Use of burnt mud bricks
(c) Use of sun dried mud bricks
(d) None of these
83: Match List I with List II and select the correct answer using the codes given below the Lists :
List I List II
(Characteristic) (Particle)
I. Zero mass (A) Positron
II. Fractional charge (B) Neutrino
III. Fractional spin (C) Quark
IV. Integral spin (D) Phonon
Codes :
(a) I-B, II-C, III-A, IV-D
(b) I-C, II-B, III-D, IV-A
(c) I-B, II-C, III-D, IV-A
(d) I-C, II-B, III-A, IV-D
84: Which one of the following Union Ministries implements the Cartagena Protocol on Biosafety?
(a) Ministries of Health and Family Welfare
(b) Ministries of science and technology
(c) Ministry of Environment and Forests
(d) Ministry of Chemicals and Fertilizers
85: With reference to normal human beings consider the following statements:
1. In response to the presence of HCL, secretian is produced from the duodenum
2. Enterogastrone is produced in the small intestine in response to the presence of fatty acids
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2