3) Skin rash and bleeding from nose and gums are some of the symptoms of Dengue.
Which of the statements given above is/are correct? [IAS 2005]
(a) 1 and 2
(b) 3 only
(c) 2 only
(d) 1 and 3
Ans: (c)
352. Which of the following diseases is not caused by viruses? [CDS 2009]
(a) Cholera
(b) Chickenpox
(c) Hepatitis
(d) Measles
Ans: (a)
353. In human beings, the opening of the stomach into the small intestine is called [CDS 2009]
(a) caecum
(b) ileum
(c) oesophagus
(d) pylorus
Ans: (d)
354. Among the following, which one lays eggs and does not produce young ones directly? [IAS 2008]
(a) Echidna
(b) Kangaroo
(c) Porcupine
(d) Whale
Ans: (a)
355. The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
(a) Crab
(b) Dogfish
(c) Gambusia fish
(d) Snail
Ans: (c)
356. Among the following, which one is not an ape? [IAS 2008]
(a) Gibbon
(b) Gorilla
(c) Langur
(d) Orangutan
Ans: (c)
357. What is the pH level of blood of a normal person? [IAS 2008]
(a) 4.0 - 4.5
(b) 6.45 - 65.5
(c) 7.35 - 7.45
(d) 8.25 - 8.35
Ans: (c)
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