2491: In 1921 the Session of the Indian National Congress was held when its President was in prison and with some other leader acting as President. Who was the Congress President in prison?
(a) Mahatma Gandhi
(b) Mohammad Ali
(c) C. R. Das
(d) Abul Kalam Azad
2492: Two important characteristics of a hypothesis are that it should be testable and that it should be stated in a manner that it can be refuted. Which one of the following hypotheses, fulfils these characteristics ?
(a) Intelligent persons have good memory
(b) Some birds are animals
(c) Some businessmen are dishonest
(d) All men are mortal
2493: A city has a population of 3,00,000 out of which 1,80,000 are males. 50% of the population is literate. If 70% of the males are literate, the number of literate females is
(a) 24,000
(b) 30,000
(c) 54,000
(d) 60,000
2494: Assertion (A) In human body, liver has an important role in fat digestion.
Reason (R) Liver produces two importance fat digesting enzymes.
Code:
(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 the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2495: Consider the following pairs: National Park River flowing through the Park
1. Corbett National Park : Ganga
2. Kaziranga National Park : Manas
3. Silent Valley National Park : Kaveri
Which of the above pairs is/are correctly matched?
(a) 1 and 2
(b) 1 and 3
(c) 3 only
(d) None