1886: Which one of the following is caused by the expression of a recessive gene present on sex chromosome ?

(a) Rheumatism

(b) Nervous shock

(c) Muscular dystrophy

(d) Cerebral hemorrhage
1887: In a certain code, MARCH is written as OCTEJ, how is RETURN written in that code ?

(a) TFUVSM
(b) QGSTQM
(c) TGVWTP
(d) TGRVSO
1888: With reference to food chains. In ecosystems, consider the following statements:

1. A food chain illustrates the order in which a chain of organisms feed upon each other.

2. Food chains are found within the populations of a species.

3. A food chain illustrates the numbers of each organism which are eaten by others.

Which of the statements given above is/are correct?

(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
1889: Which one of the following is a monument constructed by Sher Shah?

(a) Kila-Kuhna Mosque at Delhi

(b) Atala Masjid at Jaunpur

(c) Bara Sona Masjid at Gaur

(d) Quwwat-ul-Islam Mosque at Delhi
1890: In how many different ways can all of 5 identical balls be placed in the cells shown below such that each row contains at least 1 ball ?

(a) 64
(b) 108
(c) 81
(d) 84