Science and Scientific Research - General Awareness Questions and Answers


General Awareness » Science and Scientific Research

QUESTION

Why are the outermost electrons lost easily down the group?

A)

The outermost electrons are farther away from the nucleus  

B)

 The innermost electrons are farther away from the nucleus 

C)

The elements are inert  

D)

The outermost electrons are closest to the nucleus  

General Awareness » Science and Scientific Research

QUESTION

Which technology uses a combination of a large magnet and radio waves to view organs and structures inside our body?

A)

Magnetic resonance imaging

B)

Positron emission tomography

C)

Computed tomography

D)

Fluoroscopy

General Awareness » Science and Scientific Research

QUESTION

What is the other name of trap shooting?

A)

Pigeon shooting  

B)

Clay-pigeon shooting 

C)

 Crawl shooting 

D)

 Wood-pigeon shooting 

General Awareness » Science and Scientific Research

QUESTION

What is the common name of Parthenium hysterophorus?

A)

Lawn grass  

B)

 Carrot grass 

C)

 Horse grass 

D)

 Lemon grass 

General Awareness » Science and Scientific Research

QUESTION

When did Ernest Rutherford publish the results of the gold-foil experiment, which showed that scattering is caused by a rigid, dense core at the centre of the atom - the nucleus?

A)

1921 

B)

1925 

C)

1911 

D)

1905 

General Awareness » Science and Scientific Research

QUESTION

In running events who counts the laps?

A)

 Time keeper 

B)

Lap counter  

C)

 Lap recorder 

D)

Lap scorer  

General Awareness » Science and Scientific Research

QUESTION

By what method do dry ice, mothballs, iodine crystals and compounds containing zinc turn from solid to gaseous state without becoming a liquid?

A)

Melting

B)

Vaporisation

C)

Condensation

D)

Sublimation

General Awareness » Science and Scientific Research

QUESTION

The lifting of an object up and down, the parade of an army and the free fall of a heavy object are all examples of which motion?

A)

Oscillatory motion

B)

Periodic motion

C)

Rectilinear motion

D)

Rotational motion

General Awareness » Science and Scientific Research

QUESTION

What is a way in which adaptation does NOT take place?

A)

Morphological

B)

Behavioural 

C)

Physiological

D)

Emotional 

General Awareness » Science and Scientific Research

QUESTION

According to the Henry Cavendish experiment conducted in 1797-1798, what was the value of the universal constant of gravity?

A)

5.75 × 10-10 N m2/kg2

B)

6.75 × 10-11 N m2/kg2

C)

7.75 × 10-13 N m2 /kg2

D)

3.75 × 10-9 N m2 /kg2

General Awareness » Science and Scientific Research

QUESTION

In 1817, which law of periodicity showed that the atomic weight of phosphorus is the mean of those of nitrogen and arsenic?

A)

Mendeleev's Periodic Law

B)

Newlands’ Octaves Law

C)

Moseley's Periodic Law

D)

Dobereiner’s Law of Triads

General Awareness » Science and Scientific Research

QUESTION

In 1820, who found that electric current causes a nearby magnetic needle to move and thus discovered electromagnetism?

A)

Benjamin Franklin

B)

James Clerk Maxwell

C)

Andre-Marie Ampere

D)

Hans Christian Oersted

General Awareness » Science and Scientific Research

QUESTION

What does ‘p’ in pH stand for?

A)

 Potenz 

B)

Potencial   

C)

 Pleural  

D)

 Potential  

General Awareness » Science and Scientific Research

QUESTION

Which of the following techniques can be used to separate the impurities in Milk?

A)

Microscopy

B)

Autoclave

C)

Microtomy

D)

Column chromatography

General Awareness » Science and Scientific Research

QUESTION

In a resistor, what happens to the current when the resistance is doubled?

A)

The current gets doubled 

B)

The current gets tripled 

C)

The current stops 

D)

The current gets halved  

General Awareness » Science and Scientific Research

QUESTION

Which is the tallest self-supporting moss species found in New Zealand that usually grows to a height of 60 cm?

A)

Polytrichum commune

B)

Entodonseductrix

C)

Dawsonia superba 

D)

Zoopsis nitida

General Awareness » Science and Scientific Research

QUESTION

What kind of adaptation is seen in bacteria when they form various kinds of thick-walled spor

A)

 Suspend  

B)

Conform   

C)

Regulate   

D)

 Migrate  

General Awareness » Science and Scientific Research

QUESTION

Identify the method that is NOT used to purify organic compounds.

A)

Sublimation 

B)

Crystallisation  

C)

Sedimentation   

D)

Distillation  

General Awareness » Science and Scientific Research

QUESTION

Who was famous for inventing the power battery, one of the first devices to provide a reliable source of electricity, in 1800?

A)

Michael Faraday

B)

Alessandro Volta

C)

Henri Becquerel

D)

Luigi Galvani

General Awareness » Science and Scientific Research

QUESTION

Which is the major microtubule-organising centre (MTOC) in eukaryotic cells involved in various cellular processes, including sensory reception, locomotion, and embryogenesis?

A)

Vacuoles

B)

Plastids

C)

Centrosome

D)

Lysosomes