Online Practice Sets For Railway RRB Group D Exam | General Science Quiz Set - 5

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1.

Damping off of seedlings is caused by

   A.) Phythium debaryanum
   B.) Albugo Candida
   C.) Peronospola parasitica
   D.) Phytophthora infestants

Answer: Option 'C'

​Peronospola parasitica

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2.

Decibel unit is used to measure?

   A.) Light intensity
   B.) Sound intensity
   C.) Magnitude of Earthquake
   D.) None of these

Answer: Option 'B'

Sound intensity

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3.

Deficiency of which vitamin leads to 'Rickets' (softening of bones)?

   A.) Vitamin A
   B.) Vitamin B
   C.) Vitamin C
   D.) Vitamin D

Answer: Option 'A'

​Vitamin A

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4.

Dry ice is:

   A.) Ice which never melts
   B.) A term used for insensitive persons
   C.) Solid carbon dioxide
   D.) Frozen heavy water

Answer: Option 'B'

A term used for insensitive persons

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5.

During burnings of fuels, carbon and hydrogen present in the fuels are:

   A.) Converted into carbon dioxide and water vapour
   B.) Released into the atmosphere
   C.) Absorbed by the surroundings
   D.) Converted into alkanes

Answer: Option 'D'

Converted into alkanes

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6.

Edward Jenner is associated with

   A.) Paralysis
   B.) Cholera
   C.) Small Pox
   D.) Typhoid

Answer: Option 'D'

Typhoid

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7.

Due to its ability to dissolve glass, which acid is not kept in glass container ?

   A.) Hydrofluoric Acid
   B.) Hydrochloric Acid
   C.) Sulphuric Acid
   D.) Nitric Acid

Answer: Option 'C'

​Sulphuric Acid

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8.

Diamond is harder than graphite because of:

   A.) Difference of layers of atoms
   B.) Tetrahedral structure of diamonds
   C.) Difference of crystaline structures
   D.) None of these

Answer: Option 'D'

None of these

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9.

Deep blue colour is imparted to glass by the presence of:

   A.) Cobalt oxide
   B.) Iron oxide
   C.) Cupric oxide
   D.) Nickel oxide

Answer: Option 'A'

​Cobalt oxide

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10.

Dead organs are generally stored in formalin. Formalin is?

   A.) aqueous ferrous sulphate
   B.) aqueous formaldehyde
   C.) aqueous formic acid
   D.) aqueous ferric alum

Answer: Option 'B'

​aqueous formaldehyde

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Group D General Science Quiz Set - 5 Download Pdf