Science and Technology - General Knowledge Questions

1 .
While landing what type of tyres are used in an Aircraft?
A)
Thick tubed
B)
Water tubed
C)
Thin tubed
D)
Tubeless

Correct Answer :   Tubeless

2 .
Which group in an ecosystem performs photosynthesis?
A)
Heterotrophs
B)
Monotrophs
C)
Autotrophs
D)
Xylotrophs

Correct Answer :   Autotrophs

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

3 .
A rotating column of air is called
A)
Vortex
B)
Airmass
C)
Both (a) & (b)
D)
Tornado

Correct Answer :   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.

4 .
What is the term for classifying and grouping organisms?
A)
Taxonomy
B)
Homology
C)
Zeology
D)
Biology

Correct Answer :   Taxonomy

The term for classifying and grouping organisms is Taxonomy. It is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

5 .
Blisters are a sign of which classification of burn?
A)
First-degree
B)
Second-degree
C)
Third-degree
D)
Fourth-degree

Correct Answer :   Second-degree

Burns are classified into 4 degrees. They are :
 
1. First-degree (superficial) burns. First-degree burns affect only the epidermis, or outer layer of skin.
2. Second-degree (partial thickness) burns. Second-degree burns involve the epidermis and part of the dermis layer of skin.
3. Third-degree (full thickness) burns.
4. Fourth-degree burns.
 
Blisters are a sign of Second-degree burns.

6 .
Which of the following processes would release energy?
A)
Fermentation
B)
Evaporation
C)
Condensation
D)
None of the above

Correct Answer :   Condensation

7 .
Which one of the following industries is the biggest consumer of water in India?
A)
Engineering
B)
Thermal power
C)
Paper and pulp
D)
None of the above

Correct Answer :   Thermal power

8 .
Which of the following are physical signs of stress?
A)
aches
B)
tense muscles
C)
loss of sexual desire
D)
All of the above

Correct Answer :   All of the above

Physical signs of stress include Frequent colds and infections, aches, pains and tense muscles, stomach upset, loss of sexual desire, etc...

9 .
In communication satellite, multiple repeaters are known as
A)
Transponders
B)
Detectors
C)
Generators
D)
Modulators

Correct Answer :   Transponders

10 .
Transpiration in plants does helps in which of the following?
A)
Absorption and upward movement of minerals dissolved in water
B)
Absorption and upward movement of water
C)
Temperature regulation
D)
All options are correct

Correct Answer :   All options are correct

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