Latest Science and Technology General Knowledge(GK) Questions and answers

1 .

Human eye is sensitive to wavelength in the range of

A)

380-760 nm

B)

300-390 nm

C)

1200-1500 nm

D)

790-800 nm

Correct Answer : Option (A) - 380-760 nm

More simply, this range of wavelengths is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometers.

2 .

A single type of atom is found in

A)

Mixture of minerals

B)

Native elements

C)

Compounds of minerals

D)

None of the above

Correct Answer : Option (B) - Native elements

An element is made up of one type of atom only and cannot be split further. A compound has the combined properties of the elements from which it is made.

3 .

What colors make green?

A)

Red & White

B)

Blue & Red

C)

Yellow & Blue

D)

Yellow & Red

Correct Answer : Option (C) - Yellow & Blue

Starting at the very beginning, you can make a basic green color by mixing yellow and blue. If you are very new to color mixing, a color mixing chart can be helpful. When you combine the colors opposite each other on the wheel, you will create the color between them.

4 .

Which of the following is a property of water?

A)

Universal solvent

B)

High polarity

C)

High specific heat

D)

All of the above

Correct Answer : Option (D) - All of the above

Yes, we know that water is a universal solvent.

Water can moderate temperature because of the two properties: high-specific heat and the high heat of vaporization.

Water is a polar molecule that has a high level of polarity and attraction to ions and other polar molecules.

Hence, all the above given options are the properties of water.

5 .

Gestalt psychology attempted to discover

A)

the unconscious motivations for human functioning

B)

how the mind helped people adapt to the world

C)

the basic building blocks of consciousness

D)

the overall patterns of perceptions and thoughts

Correct Answer : Option (D) - the overall patterns of perceptions and thoughts

6 .

Which of these groups is the smallest level of classification?

A)

Kingdom

B)

Species

C)

Family

D)

Phylum

Correct Answer : Option (A) - Kingdom

Kingdom is the smallest level of classification.

The level of classification from largest to smallest is :

* Domain

* Kingdom

* Phylum

* Class

* Order

* Family

* Genus

* Species

7 .

Attribution theory was designed to account for

A)

the process of revealing intimate aspects of ourselves to others

B)

how people explain others' behavior

C)

the loss of self-awareness that occurs in group situations

D)

social facilitation and social loafing

Correct Answer : Option (B) - how people explain others' behavior

Attribution theory was designed to account for how people explain others' behavior. It is a theory in psychology states that the attributions people make about events and behavior can be classed as either internal or external. In an internal, or dispositional, attribution, people infer that an event or a person's behavior is due to personal factors such as traits, abilities, or feelings.

8 .

While landing what type of tyres are used in an Aircraft?

A)

Thick tubed

B)

Water tubed

C)

Thin tubed

D)

Tubeless

Correct Answer : Option (D) - Tubeless

9 .

Which group in an ecosystem performs photosynthesis?

A)

Heterotrophs

B)

Monotrophs

C)

Autotrophs

D)

Xylotrophs

Correct Answer : Option (C) - Autotrophs

In an ecosystem, Autotrophs performs photosynthesis. Autrophs are those prepare their own food.

10 .

A rotating column of air is called

A)

Vortex

B)

Airmass

C)

Both (a) & (b)

D)

Tornado

Correct Answer : Option (D) - Tornado

Tornadoes: violently rotating columns of air. . Tornadoes violently rotating columns of air. A tornado is defined as a violently rotating column of air in contact with the ground and pendent from a cumulonimbus cloud.