Science and Technology - General Knowledge Questions

A)
adenine with thymine (in DNA)
B)
guanine with cytosine
C)
Both (a) & (b)
D)
Guanine with uraci

Correct Answer :   Both (a) & (b)

A)
Senses
B)
Brain center
C)
Judgement
D)
None of the above

Correct Answer :   Judgement

The first thing to be affected by alcohol is Judgement followed by brain center and senses like smell, taste, vision, etc...

A)
Humidity
B)
Rainfall
C)
Temperature
D)
All of the above

Correct Answer :   All of the above

The elements that determine the weather of a place are temperature, humidity, rainfall and wind.

A)
Redox reaction
B)
Explosion of metal
C)
Reduction of Magnesium
D)
Oxidation of Magnesium

Correct Answer :   Oxidation of Magnesium

A)
Corrosion
B)
Oxidation
C)
Cleaning
D)
Neutralization

Correct Answer :   Corrosion

A)
Radiometer
B)
Dosimeter
C)
Geiger Counter
D)
Ionization Chamber

Correct Answer :   Dosimeter

A Geiger counter is an instrument used for detecting and measuring ionizing radiation. Also known as a Geiger–Müller counter (or Geiger–Muller counter), it is widely used in applications such as radiation dosimetry, radiological protection, experimental physics, and the nuclear industry.

A)
Diffraction
B)
Refraction
C)
Reflection
D)
Rectilinear propagation

Correct Answer :   Rectilinear propagation

A)
0
B)
16
C)
32
D)
64

Correct Answer :   32

At temperatures below 32°F (0°C), liquid water freezes; 32°F (0°C) is the freezing point of water. At temperatures above 32°F (0°C), pure water ice melts and changes state from a solid to a liquid (water); 32°F (0°C) is the melting point.

A)
William Crookes
B)
Wilhelm Roentgen
C)
Philipp Lenard
D)
Max von Laue

Correct Answer :   Wilhelm Roentgen

Wilhelm Roentgen, Professor of Physics in Wurzburg, Bavaria, discovered X-rays in 1895—accidentally—while testing whether cathode rays could pass through glass.

A)
Denitrification
B)
Ammonification
C)
Nitrification
D)
Putrefacation

Correct Answer :   Denitrification