171: In a question paper, there are four multiple choice questions. Each question has five choices with only one choice for its correct answer. What is the total number of ways in which a candidate will not get all the four answers correct?
(A) 19
(B) 120
(C) 1024
(D) 624
172: What is the difference between asteroids and comets?
1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is / are correct?
(a) 1 and 2 only
(b) 1 and 3 only
(c) 3 only
(d) 1, 2 and 3
173: Mughal painting reached its zenith under
(a) Humayun
(b) Akbar
(c) Jahangir
(d) Shahjahan
174: Estuaries possess distinct blooms of excessive growth of a pigmented dinoflagellates. These blooms are called
(a) red tides
(b) sea tides
(c) black tides
(d) sea flowers
175: The human body is immune to which of the following diseases?
(a) Smallpox
(b) Diabetes
(c) Tuberculosis
(d) jaundice