General Knowledge Questions And Answers :: General Science: part14



General Knowledge : General Science QUESTIONS AND ANSWERS :: part14 : 76 to 80

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

76.Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Uranium undergoes nuclear fusion reaction. 2. Reason (R) : It has a big, unstable nucleus.

Both A and R are true but 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.

77.Which of the following can be used for biological control of mosquitoes ?

Gamaxene
DDT
Gambusia
Oil

78.Tobacco - mosaic virus has

single stranded DNA
double stranded RNA
double stranded DNA
single stranded RNA

79.An organism possessing a chromosomal complement different from the diploid one such as 2n - l or 2n + l is called

Allopolyploid
Amphidiploid
Aneuploid
Autopolyploid

80.Which of the following gases is used for refrigeration ?

Chlorine
Sulphur dioxide
Phosphine
Ammonia

More General Science QUESTIONS AND ANSWERS available in next pages

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