Combined Geo-Scientist (Preliminary) Examination - Previous Year Papers Previous Year Questions

1

2017 · Unclassified

2017 General Knowledge

Polynucleotide chain of DNA contains

A

a nitrogenous base, deoxyribose sugar and phosphate group

B

a nitrogenous base, ribose sugar and phosphate group

C

deoxyribose sugar, ribose sugar and phosphate group

D

a nitrogenous base and phosphate group only

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2

2017 · Unclassified

2017 General Knowledge

The process of copying genetic information from one strand of DNA into RNA is termed as

A

translation

B

transcription

C

replication

D

mutation

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3

2017 · Unclassified

2017 General Knowledge

AIDS is caused by the Human Immuno-deficiency Virus (HIV). The transmission of HIV infection generally occurs through

A

eating contaminated food and water

B

transfusion of contaminated blood and blood products

C

inhaling polluted air

D

shaking hand with infected person

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4

2017 · Unclassified

2017 General Knowledge

In human body, the cell growth and differentiation are highly controlled and regulated, but in cancer cells

A

there is breakdown of these regulatory mechanisms leading to formation of benign and malignant tumors

B

controlled cell division and over-production of genetic material occur

C

RNA is mutated and produced in less amount

D

DNA is mutated and produced in less amount

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5

2017 · Unclassified

2017 General Knowledge

Most viruses that infect plants possess

A

single-stranded DNA

B

single-stranded RNA

C

double-stranded DNA and RNA

D

double-stranded RNA only

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6

2017 · Unclassified

2017 General Knowledge

Syngamy results in formation of

A

haploid zygote

B

diploid zygote

C

non-motile male gametes

D

motile male gametes

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