3571: Which one of the following satellites is to be launched from India in 1996?
(a) IRS-P2
(b) IRS-P3
(c) IRS-EN
(d) IRS-ID
3572: Who of the following is the author of a collection of poems called 'Golden Threshold"?
(a) Aruna Asaf ali
(b) Vijayalakshmi Pandit
(c) Annie Besant
(d) Sarojini Naidu
3573: A radioactive substance has a half-life of four months. Three-fourth of the substance would decay in
(a) 3 months
(b) 4 months
(c) 8 months
(d) 12 months
3574: Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?
(a) Isolation
(b) Mutation
(c) Natural Selection
(d) Sexual Reproduction
3575: 'Water flows through a pipeline at a steady rate. At a point on the pipeline, water is withdrawn continuously through a branch line'.
Consider the following statements in this regard.
1. Pipe line beyond the branch line will not be full.
2. Flow velocity in the main line will be less after the branch line than before it.
3. Flow velocity in the main line beyond the branch line will become unsteady.
Of these statements
(a) 1 is true
(b) 2 is true
(c) 3 is true
(d) None is true