4411: The ductless and secretory glands in the human body are known as:
(a) Endocrine glands
(b) Exocrine glands
(c) Salivary glands
(d) None of the above
4412: Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?
1. Construction of dams and barrages on rivers.
2. Increase in the population of crocodiles in rivers.
3. Getting trapped in fishing nets accidentally.
4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.
Select the correct answer using the code given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
4413: A square is divided into 9 identical smaller squares. Six identical balls are to be placed in these smaller squares such that each of the three rows get at least one ball (one ball in one square only). In how many different ways can this be done?
(A) 81
(B) 36
(C) 54
(D) 27
4414: Civil Disobedience Movement was started in India in 1930 for:
(a) Home rule
(b) Purna Swaraj
(c) Non-cooperation with British government
(d) Hindu-Muslim unity
4415: The Government of India has established NITI Aayog to replace the
(a) Human Rights Commission
(b) Finance Commission
(c) Law Commission
(d) Planning Commission