2791: Population of cells derived from a single parent cell is called

(a) Haploid

(b) Diploid

(c) Symmetrical cell

(d) Clone
2792: The time in the wall-clock is 3.25 the acute angle between the hours-hand and the minutes-hand is
(a) 60°
(b) 52 ½°
(c) 47 ½°
(d) 42°
2793: Which one of the following sets is correctly matched ?

(a) Diphtheria, Pneumonia and Leprosy : Hereditary

(b) AIDS, Syphilis and Gonorrhoea : Bacterial

(c) Colour blindness, Hemophilia and Sickle cell anaemia : Sex linked

(d) Polio, Japanese B encephalitis and plague : Viral
2794: Consider the following pairs:

Town sometime mentioned in news - Country

1.Aleppo - Syria
2.Kirkuk - Yemen
3.Mosul - Palestine
4.Mazar-i-Sharif - Afghanistan

Which of the pairs given above are correctly matched?
(a) 1 and 2
(b) 1 and 4
(c) 2 and 3
(d) 3 and 4
2795: Consider the following statements :

1. Hepatitis B is several times more infectious than HIV/AIDS

2. Hepatitis B can cause liver cancer

Which of the statements given above is /are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2