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

1 .

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 : Option (D) - 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

2 .

The most abundant gas in the atmosphere is

A)

Helium

B)

Argon

C)

Oxygen

D)

Nitrogen

Correct Answer : Option (D) - 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...

3 .

Which molecules prevent cell membranes from dissolving in water?

A)

Fattyacids

B)

Adenosine triphosphates

C)

Phospholipids

D)

None of the above

Correct Answer : Option (C) - Phospholipids

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

4 .

Human gametes are produced by

A)

Mitosis

B)

Meiosis

C)

Replication

D)

None of the above

Correct Answer : Option (B) - 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.

5 .

A sheet or web supported by a metal frame is

A)

Trampoline

B)

Gasoline

C)

Colin

D)

None of the above

Correct Answer : Option (A) - Trampoline

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

6 .

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 : Option (C) - 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.

7 .

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 : Option (B) - 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.

8 .

The brightest color emitted by the sun is

A)

red-green

B)

red-blue

C)

green-blue

D)

yellow-green

Correct Answer : Option (D) - yellow-green

The Sun is essentially all colors mixed together, which appear to our eyes as white. The brightest color emitted by the sun is yellow-green.

9 .

Cognitive neuroscientists can examine the brain with

A)

Gama images & Electrolysis

B)

PET & MRI

C)

Electrolysis & PET

D)

MRI & Electrolysis

Correct Answer : Option (B) - PET & MRI

Neuroimaging of Semantic Memory. For nearly two decades cognitive neuroscientists have used positron emission tomography (PET) and functional magnetic resonance imaging (fMRI) to explore the functional neuroanatomy of semantic memory.

10 .

Human body main organ of balance is located in

A)

Ears

B)

Brain

C)

Eyes

D)

Nose

Correct Answer : Option (A) - Ears

It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule. The semicircular canals and the otolith organs are filled with fluid.