4586: Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an
(a) virus
(b) bacterium
(c) insect
(d) plant
4587: Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?
(a) Bhitarkanika National Park
(b) Keibul Lamjao National Park
(c) Keoladeo Ghana National Park
(d) Sultanpur National Park
4588: If all the numbers from 501 to 700 are written, what is the total number of times does the digit 6 appear ?
(A) 141
(B) 138
(C) 140
(D) 139
4589: Assertion (A):
During the Neap Tides, the high tide is lower and the low tide is higher than usual.
Reason (R):
The Neap Tide, unlike the Spring Tide, occurs on the New Moon instead of on the Full Moon.
(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
4590: Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
1. Pollination of some plants could be adversely affected.
2. There could be a drastic increase in the fungal infections of some cultivated plants.
3. It could lead to a fall in the population of some species of wasps, spiders and birds.
Select the correct answer using the code given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3