2991: Phenylketonuria is an example of an in born error of metabolism. This error refers to
(a) hormonal overproduction
(b) atrophy of endocrine glands
(c) inherited lack of an enzyme
(d) non-disjunction
2992: The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty drawn at
(a) United Nations Conference on the Human Environment, Stockholm, 1972
(b) UN Conference on Environment and Development, Rio de Janeiro, 1992
(c) World Summit on Sustainable development, Johannesburg, 2002
(d) UN Climate Change Conference, Copenhagen, 2009
2993: 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
2994: The length, breadth and height of a room are 1, b and h respectively. The perimeter of the ceiling expressed as a percentage of the total area of the four walls is
(a) 100 h
(b) 100/h
(c) h
(d) h/100
2995: Out of all the Biosphere Reserves in India, four have recognized on the World Network by UNESCO. Which one of the following is not one of them?
(a) Kanchejunga
(b) Gulf of Mannar
(c) Nanda Devi
(d) Sunderbans