General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part15 : 86 to 90

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

86.Lightning conductors are made of

iron

steel

copper

aluminium

87.Sake is a favourite wine of Japanese. It is made from

vinegar

grape juice

rice grains

palm sap

88.Which of the following micro- organisms are involved in nitrogen fixation ? 1. Blue green algae 2. Rhizobium 3. Azotobacter

1 and 2

2 and 3

1 and 3

1, 2 and 3

89.Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Oxygen gives reddish brown fumes with nitric oxide.Reason (R) : Oxygen is a diatomic molecule.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is not the correct explanation of A.

A is true but R is false.

A is false but R is true.

90.What is added to industrial ethanol to make it unsuitable for human consumption ?

Methane

Benzene

Methanol

Chlorine

More General Science QUESTIONS AND ANSWERS available in next pages