GATE Questions

Q:

In HTML, ___________ tag is used to construct drop-down list boxes and scrolling list boxes.

A) <SELECT> B) <OPTION>
C) <TEXTAREA> D) <INPUT>
 
Answer & Explanation Answer: A) <SELECT>

Explanation:
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Q:

The main result of aerobic respiration is the

A) production of lactic acid as an end product B) production of ATP from the breakdown of glucose
C) conversion of radiant energy into chemical energy D) storage of energy in a polysaccharide
 
Answer & Explanation Answer: B) production of ATP from the breakdown of glucose

Explanation:

The three steps within the aerobic respiration process are glycolysis, the citric acid cycle, and oxidative phosphorylation.

Photosynthesis builds glucose, and what was built in photosynthesis is broken down during aerobic respiration.

 

Hence, production of ATP from the breakdown of glucose is the main result of aerobic respiration.

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Filed Under: Biology
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2 2504
Q:

Which file format can be added to a powerpoint show?

A) .Gif B) .Wav
C) .Jpg D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Which compound contains ionic bonds?

A) CaO B) CO2
C) NO2 D) NO
 
Answer & Explanation Answer: A) CaO

Explanation:

An ionic bond is a chemical bond between two atoms in which one atom seems to donate its electron to another atom.

 

Here in the given compounds, the compound that contains ionic bond is CaO, Calcium oxide.

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Filed Under: Chemistry
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Q:

Visible light has a higher frequency than

A) Radio waves B) X rays
C) Ultra violet D) All the above
 
Answer & Explanation Answer: A) Radio waves

Explanation:

Radio waves have much longer wavelengths and lower frequencies than do visible light waves. In contrast, X-rays have much shorter wavelengths and higher frequencies. 

Ultraviolet Light (UV). part of the electromagnetic spectrum that consists of waves with frequencies higher than those of visible light and lower than those of x-rays.

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Filed Under: Physics
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Q:

Which of the following is an air pollutant?

A) Sulphur dioxide B) Ozone
C) Water vapour D) Nitric oxide
 
Answer & Explanation Answer: A) Sulphur dioxide

Explanation:

Air pollutants are solid particles, gases, and liquid droplets in the air that can adversely affect ecosystems and the health of humans.

 

Major ambient air pollutants include toxic metals, polycyclic aromatic hydrocarbons, benzene, particulate matter (PM), nitrogen oxides, sulfur oxides, carbon monoxide, and ozone. Power plants, factories, and vehicle and air traffic are the most important anthropogenic sources of air pollution.

 

In addition, natural sources such as wildfires and volcanic activity contribute to ambient air pollution.

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Filed Under: General Science
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Q:

Sociological analysis of religion is concerned with

A) the purpose of life B) which religions are true and which are false
C) learning the will of God D) patterns of religious activity and their effect on social life
 
Answer & Explanation Answer: D) patterns of religious activity and their effect on social life

Explanation:

Sociology of religion is the study of the beliefs, practices and organizational forms of religion using the tools and methods of the discipline of sociology.

 

Hence, Sociological analysis of religion is concerned with patterns of religious activity and their effect on social life.

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Filed Under: Indian Politics
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Q:

A sum of Rs. 2600 is invested at two different rates of interest. The difference between the simple interests got after 4 years is Rs 402.80 at these two rates, what is the difference between the rates of interest?

A) 1.58 B) 2.63
C) 3.87 D) 4.02
 
Answer & Explanation Answer: C) 3.87

Explanation:

Let the two different rates of interests be r1 and r2 respectively.

From the given data,

2600 x 4 x r1 - r2100  = 402.80r1 - r2 = 402.80104  = 3.87

 

Hence, the difference in the interest rates = 3.87

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Filed Under: Simple Interest
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