Science and Scientific Research - General Knowledge Questions and Answers

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General Knowledge » Science and Scientific Research

Namita talks about an example of metamorphic rock. Which of the following can it be?

A

Marble

B

Halite

C

Limestone

D

Shale

General Knowledge » Science and Scientific Research

Which of the following is considered to be the purest form of natural water (distilled water) free from impurities?

A

River water

B

Spring water

C

Rain water

D

Well water

General Knowledge » Science and Scientific Research

The amount of work done in moving a charge of 4C across two points having a potential difference of 6V is ______.

A

24 J

B

12 J

C

36 J

D

48 J

General Knowledge » Science and Scientific Research

Which of the following enzymes is found in saliva of human body which breaks down starch into simple sugar?

A

Renin

B

Trypsin

C

Pepsin

D

Amylase

General Knowledge » Science and Scientific Research

Which of the following can be used as an instant energy booster?

A

Garlic 

B

Lemon

C

Coriander

D

Banana

General Knowledge » Science and Scientific Research

Who co-invented the device called Cyclotron in 1934 along with Ernest Lawrence to investigate the nuclear structure?

A

Ernest Rutherford

B

Enrico Fermi

C

JJ Thomson

D

MS Livingston

General Knowledge » Science and Scientific Research

Which membrane-bound cell organelle consisting of a small sac-like structure surrounded by single membranes serves as the cell's digestive system, allowing material taken from outside the cell to degrade and digest obsolete components of the cell?

A

Peroxisome

B

Polysome

C

Glyoxysome

D

Lysosome

General Knowledge » Science and Scientific Research

Which of the following rule is used to find the direction of magnetic field associated with a current carrying conductor?

A

Maxwell’s corkscrew rule

B

Fleming’s right-hand rule

C

Left hand rule

D

Fleming’s left-hand rule

General Knowledge » Science and Scientific Research

Calcium hypochlorite is commonly known as:

A

bleaching powder

B

laughing gas

C

gunpowder

D

bordex mixture

General Knowledge » Science and Scientific Research

Which of the following pair of compound name – formula is correct?
I. Calcium oxide – Ca2O
II. Aluminum Oxide – Al2O3

A

Both I and II

B

Neither I nor II

C

Only I

D

Only II

General Knowledge » Science and Scientific Research

Which of the following pair of compound – general formula is correct?
I. Alkenes – CnH2n
II. Alkanes – CnH2n-1

A

Neither I nor II

B

Only I

C

Only II

D

Both I and II

General Knowledge » Science and Scientific Research

Trichloromethane is the IUPAC name of __________.

A

benzene hexachloride 

B

bleaching powder 

C

glycerol 

D

chloroform 

General Knowledge » Science and Scientific Research

Which of the following options is correctly matched?

A

Units of volume – Kilogram, Gram, Metre

B

Units of pressure – Pascal, Bar and Torr

C

Units of force – Joule, Horsepower, Torr

D

Units of work done – Newton, Pascal, Bar

General Knowledge » Science and Scientific Research

Which of the following was NOT an aim of the satellite INSAT-1B?

A

TV communication

B

Protecting the national borders

C

Weather forecasting

D

Disaster warning

General Knowledge » Science and Scientific Research

Which of the following pair type of nutrient – nutrient is correct?
I. Macronutrient – Iron
II. Micronutrient – Calcium

A

Neither I nor II

B

Both I and II

C

Only II

D

Only I

General Knowledge » Science and Scientific Research

Scurvy is caused by not having enough ________, resulting in general weakness, anaemia, gum disease and skin bleeding.

A

niacin

B

thiamine

C

ascorbic acid

D

cyanocobalamin

General Knowledge » Science and Scientific Research

Which of the following pair of position of object – position of image – size of image, of image is NOT correct for concave mirror?

A

Between C and F – Beyond C – Enlarged

B

Beyond C – Between F and C – Diminished

C

At F – At infinity – Highly enlarged

D

At infinity – At C – Highly diminished

General Knowledge » Science and Scientific Research

Which chemical element with atomic number is 31?

A

Gallium

B

Indium

C

Aluminium

D

Thallium

General Knowledge » Science and Scientific Research

Which series of satellite carrying Very High-Resolution Radiometer (VHRR) provides valuable observations of temperature, cloud cover, wind and related weather phenomena?

A

IRS series

B

SROSS series

C

GSAT series

D

INSAT series

General Knowledge » Science and Scientific Research

Who among the following discovered the concept of expanding universe?

A

Edwin Hubble

B

Charles Messier

C

Tycho Brahe

D

Carl Edward Sagan