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

1 .

Climatology is a subspecialty of

A)

marine biology

B)

environmental science

C)

oceanography

D)

meteorology

Correct Answer : environmental science

Climatology is a study of climate which is subspecialty of environmental science studies.

2 .

A homogeneous mixture is also called

A)

Pure substance

B)

Compound

C)

Solution

D)

None of the above

Correct Answer : Solution

A homogeneous mixture is also called as solution.

The term "solution" is more frequently used when a homogeneous mixture is a liquid, although it is sometimes used if the homogeneous mixture is a gas. Another name for a solid homogeneous mixture of metals is an alloy.

3 .

Proteins are made where in the cell

A)

Ribosomes

B)

Chromosomes

C)

Cytoplasm

D)

Nucleus

Correct Answer : Ribosomes

Ribosomes are the sites where proteins are synthesised. The transcription process where the code of the DNA is copied occurs in nucleus but the main process of translating that code to form other protein occurs in ribosomes.

4 .

Which of the following is a projective test?

A)

Sentence completion test

B)

Thematic apperception test

C)

Rorschach's ink blot test

D)

All of the above

Correct Answer : All of the above

In psychology, a projective test is an identity test intended to give an individual a chance to react to ambiguous stimuli, probably revealing hidden feelings and internal conflicts anticipated by the individual into the test.

Some examples of the projective test are :

* Rorschach's ink blot test

* Thematic apperception test

* Sentence completion test

5 .

The most abundant gas in the atmosphere is

A)

Helium

B)

Argon

C)

Oxygen

D)

Nitrogen

Correct Answer : Nitrogen

The atmosphere is a mixture of several gases. Nitrogen is the most abundant gas in the atmoshere and oxygen is next to it. It is 78% in the atmosphere and 21% is oxygen. Remaining 1% is all other gases like argon, hydrogen, neon, etc...

6 .

Which molecules prevent cell membranes from dissolving in water?

A)

Fattyacids

B)

Adenosine triphosphates

C)

Phospholipids

D)

None of the above

Correct Answer : Phospholipids

Cell membranes are made up of phospholipids which prevents them from dissolving in water.

7 .

Human gametes are produced by

A)

Mitosis

B)

Meiosis

C)

Replication

D)

None of the above

Correct Answer : Meiosis

Gametes contain half the chromosomes contained in normal diploid cells of the body, which are also known as somatic cells. Haploid gametes are produced during meiosis, which is a type of cell division that reduces the number of chromosomes in a parent diploid cell by half.

8 .

A sheet or web supported by a metal frame is

A)

Trampoline

B)

Gasoline

C)

Colin

D)

None of the above

Correct Answer : Trampoline

A trampoline is a sheet or web supported by springs in a metal frame and is used as spring board.

9 .

Archetypes are useful in literature because

A)

they help readers categorize a piece of literature

B)

readers and viewers expect authors to use them

C)

they are easily recognized and convey a lot of information

D)

readers like everything longer and more complicated

Correct Answer : they are easily recognized and convey a lot of information

Archetypes were models of people, behaviors, or personalities. They were inborn tendencies that play a role in influencing human behavior.

For example : A hero, an innocent, the villain, the mentor, etc...

1. The mentor is a common archetype in literature. The mentor is usually old, and this person often has some kind of magical abilities or a much greater breadth of knowledge than others possess.

2. Characters representing the innocent archetype are often women or children. These character archetypes are pure in every way.

3. The villain wants to stop the hero archetype from achieving his or her goal. The villain is often evil, though there is often a reason—however warped that reason may be—why villains are so bad. Villains often want nothing more than to control and have power over everyone and everything around them.

10 .

When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

A)

Thermoplastic

B)

Thermosetting

C)

Polyurethane

D)

PVC

Correct Answer : Thermosetting

Thermoset, or thermosetting, plastics are synthetic materials that strengthen during being heated, but cannot be successfully remouldedor reheated after their initial heat-forming. This contrasts withthermoplastics, which soften when heated and harden and strengthen after cooling. Thermoplastics can be heated, shaped and cooled as often as necessary without causing a chemical change, while thermosetting plastics will burn when heated after the initial moulding.

Science and Technology - General Knowledge Questions