Science and Scientific Research - General Knowledge Questions and Answers

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General Knowledge » Science and Scientific Research

Poor sanitation conditions may NOT be the likely reason behind which of the following diseases/conditions?

A

 Cholera

B

 Typhoid

C

 Arthritis

D

 Polio

General Knowledge » Science and Scientific Research

Why is water fluoridation, which is the controlled adjustment of fluoride to public water supply, done?

A

To prevent bone disease

B

To prevent vitamin deficiency

C

To prevent tooth decay

D

To prevent eye disease

General Knowledge » Science and Scientific Research

A ______ tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic treatment.

A

pressure

B

septic

C

flush

D

soap

General Knowledge » Science and Scientific Research

Which of the following is an example of monosaccharides?

A. Fructose B. Sucrose C. Starch D. Glucose

A

Only C

B

Both B and C

C

Both A and D

D

Only B

General Knowledge » Science and Scientific Research

The foul smell from a body specially during a sultry summer is due to the action of ______ on sweat.

A

 bacteria

B

 melanin

C

 virus

D

 moisture

General Knowledge » Science and Scientific Research

Which of the following diseases CANNOT be prevented by vaccination?

A

 Rabies

B

 Typhoid

C

 Beri beri

D

 Measles

General Knowledge » Science and Scientific Research

Which law of Newton provides a quantitative definition of force?

A

 Second law of motion

B

 Universal law of gravitation

C

 Third law of motion

D

 First law of motion

General Knowledge » Science and Scientific Research

Which of the following is a characteristic of permanent tissue?

A

 Cells divide repeatedly

B

 Vacuoles are absent

C

 Intercellular spaces are present

D

 Inorganic inclusions are absent

General Knowledge » Science and Scientific Research

______ is concerned with constructing records of past climates and climatic events by analysis of tree growth characteristics, especially growth rings.

A

Bioclimatology

B

Historical- climatology

C

Dendroclimatology

D

Geo climatology

General Knowledge » Science and Scientific Research

Which of the following dwarf planets lies in the main asteroid belt?

A

Makemake

B

Haumea

C

Eris

D

Ceres

General Knowledge » Science and Scientific Research

Which of the following laws deduces the expression for the force between two stationary point charges in vacuum or free space?

A

 Gauss' Law

B

 Coulomb’s Law

C

 Lenz’s Law

D

 Ohm’s Law

General Knowledge » Science and Scientific Research

Which of the following elements is NOT suitable for the fabrication of a light emitting diode structure?

A

 Gallium arsenide

B

 Germanium

C

 Indium gallium nitride

D

 Gallium phosphide

General Knowledge » Science and Scientific Research

______, a fluid secreted by new mothers during the initial days of lactation, contains nutrients that boost a baby's immune system and helps fight infection.

A

Cerumen

B

Sebum

C

Synovia

D

Colostrum

General Knowledge » Science and Scientific Research

Gold and copper happen to absorb ______ and violet light, leaving yellow light.

A

 green

B

 blue

C

 orange

D

 red

General Knowledge » Science and Scientific Research

Urea, a commonly used nitrogen-based fertiliser, is prepared by the reaction between ammonia and ______.

A

 carbon dioxide

B

 hydrogen

C

oxygen

D

 sulphur

General Knowledge » Science and Scientific Research

Acidic nature of soil is shown by high concentration of ______.

A

 nitrogen

B

 oxygen

C

 phosphorous

D

 hydrogen

General Knowledge » Science and Scientific Research

______ refers to an environment in which oxygen is readily available.

A

 Anthropogenic

B

 Aerobic

C

 Acidification

D

 Anaerobic

General Knowledge » Science and Scientific Research

The range of ______ force is of the order of 10−16 m.

A

electromagnetic

B

weak nuclear

C

strong nuclear

D

gravitational

General Knowledge » Science and Scientific Research

The ______ radiation belts are giant swaths of magnetically trapped highly energetic charged particles that surround Earth.

A

Chinook

B

Kuiper

C

Aurora

D

Van Allen 

General Knowledge » Science and Scientific Research

Which of the following is a characteristic of fibres in relation to plant anatomy?

A

Possess various shorted cells

B

Possess only pitted thickenings

C

Possess oblique end walls

D

Responsible for conduction and also mechanical support