4211: Which one of the following straits is nearest to the International Date Line?
(a) Strait of Hormuz
(b) Bering Strait
(c) Malacca Strait
(d) Strait of Gibraltar
4212: The largest coral reef in the world is found near the coast of which one of the following countries?
(a) Australia
(b) Cuba
(c) Ghana
(d) Philippines
4213: Scratching eases itching because
(a) it removes the outer dust in the skin
(b) it kills the germs
(c) it stimulates certain nerves which direct the brain to increase the production of antihistaminic chemicals
(d) it suppresses the production of enzymes which cause itching
4214: Assertion
Solar eclipse occurs on a new moon day
Reason
Moon is in conjunction with the sun
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is correct and R is incorrect
(d) if A is incorrect and R is correct
4215: Consider the following techniques/phenomena:
1. Budding and grafting in fruit plants
2. Cytoplasmic male sterility
3. Gene silencing
Which of the above is/are used to create transgenic crops?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) None