Questions

Q:

What is meant by demography?

A) The well being of populations B) Growth of population
C) Birth and death of population D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.

 

In brief, Study of both quantitative and qualitative aspects of human population.

1. Quantitative aspects include composition, density, distribution, growth, movement, size, and structure of the population.

2. Qualitative aspects are the sociological factors such as education quality, crime, diet, development, nutrition, wealth and well being.

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Q:

A battlefield always has:

A) Elephants B) Soldiers
C) Arrows D) Chariots
 
Answer & Explanation Answer: C) Arrows

Explanation:
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Q:

Which of these phosphorylates ADP to make ATP?

A) E B) B
C) C D) A
 
Answer & Explanation Answer: A) E

Explanation:

The ATP is synthesized from ADP and an inorganic phosphate and involves special channel proteins that are embedded in a membrane. ATP is formed in the electron transport chain of photosynthesis and cellular respiration.

 

which_of_these_phosphorylates_adp_to_make_atp1554270963.jpg image

 

Photosynthesis only occurs in autotrophic organisms while respiration occurs in all types of organisms.

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Q:

All cells divide at the same rate.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

The given statement that all cells divide at the same rate is FALSE.


 


No, all cells do not divide at the same rate. Cells that require frequent replenishing, such as skin or intestinal cells, may only take roughly twelve hours to complete a cell cycle. Other cells, such as liver cells, remain in a resting state (interphase) for up to a year before undergoing division.

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Subject: Biology
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Q:

Stainless steel contains steel and 

A) manganese B) vanadium
C) nickel D) chromium
 
Answer & Explanation Answer: D) chromium

Explanation:

Stainless steel contains 18% chromium and 82% steel

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Q:

Which Asian country has recently launched its 1st messaging app BizBarde ?

A) Japan B) Indonesia
C) Israel D) Turkmenistan
 
Answer & Explanation Answer: D) Turkmenistan

Explanation:

Turkmenistan, is the Asian country which has recently launched its 1st messaging app BizBarde.

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Q:

The percentage of Urban population to total population in India is 

A) 20.28 B) 22.52
C) 25.72 D) 27.80
 
Answer & Explanation Answer: D) 27.80

Explanation:
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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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