3901: The messages received by and transmitted from the brain to the various parts of the body take the form of:
(a) Nervous impulses
(b) Chemical impulses
(c) Mechanical impulses
(d) Automatic impulses
3902: Match the names of outstanding Indian scientists given in List I with area of their specialised work given in List II and select the correct answer using the codes given below the lists :
List I-------------------List II
I. Dr. Raja Ramanna---- (A) Plant Chemistry
II. Dr. M.S. Swaminathan------(B) Nuclear Physics
III. Prof. U.R. Rao----(C) Thermodynamics and astrophysics
IV. Prof. Meghnad Saha --------(D) Space research
---------------------(E) Agricultural sciences
Codes:
(a) I-C, II-E, III-B, IV-A
(b) I-B, II-A, III-D, IV-C
(c) I-B, II-E, III-D, IV-C
(d) I-C, II-A, III-D, IV-B
3903: A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. The most convenient way now to reach his village is to walk in the
(a) direction facing the polestar
(b) direction opposite to the polestar
(c) direction keeping the polestar to his left
(d) direction keeping the polestar to his right
3904: India, Pakistan and Bangladesh are the members of SAARC. The other members of SAARC are:
(a) Burma, Bhutan, Nepal, Maldives
(b) Sri Lanka, Bhutan, China, Afghanistan
(c) Bhutan, Nepal, Sri Lanka, Maldives
(d) Mauritius, Afghanistan, Burma, China
3905: How does National Biodiversity Authority (NBA) help in protecting the Indian agriculture?
1. NBA checks the biopiracy and protects the indigenous and traditional genetic resources.
2. NBA directly monitors and supervises the scientific research on genetic modification of crop plants.
3. Application for Intellectual Property Rights related to genetic/biological resources cannot be made without the approval of NBA.
Which of the statements given is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3 only