Questions

Q:

Which of the following equations represents Photosynthesis?

A) 6CO2 + 6H2O -----> C6H12O6 + 6O2 B) C6H12O6 + 6O2 -----> CO2 + 6H2O
C) CO2 + H2O -----> C6H12O6 + 6O2 D) 6O2 + 6H2O -----> C6H12O6 + 6CO2
 
Answer & Explanation Answer: A) 6CO2 + 6H2O -----> C6H12O6 + 6O2

Explanation:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.

 

Photosynthesis can be represented using a chemical equation.

 

The overall balanced equation is

 

              6CO2 +  6H2O   Sunlight    C6H12O6   +   6O2Source of Carbon & Oxygen  + Source of Electrons & Hydrogen + Energy that drives Photosynthesis             ----> Sugar + Gas produced by splitting water.

 

Where 

CO2 = carbon dioxide 

H2O = water

C6H12O6 = glucose 

O2 = oxygen.

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Filed Under: Chemistry
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Q:

National Statistics day observed every year on

A) 20 October B) 20 July
C) 29 June D) 21 September
 
Answer & Explanation Answer: C) 29 June

Explanation:

National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis.

It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.

 

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2 3602
Q:

What are short, long and medium-term scheduling?

Answer

Long term scheduler determines which programs are admitted to the system for processing. It controls the degree of multiprogramming. Once admitted, a job becomes a process.


Medium term scheduling is part of the swapping function. This relates to processes that are in a blocked or suspended state. They are swapped out of real-memory until they are ready to execute. The swapping-in decision is based on memory-management criteria.


Short term scheduler, also know as a dispatcher executes most frequently, and makes the finest-grained decision of which process should execute next. This scheduler is invoked whenever an event occurs. It may lead to interruption of one process by preemption.

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Q:

When during the Cell Cycle are Chromosomes visible?

A) only during interphase B) only during cell division
C) only during G1 phase D) only during they are replicated
 
Answer & Explanation Answer: B) only during cell division

Explanation:

During most of the cell cycle, interphase, the chromosomes are somewhat less condensed and are not visible as individual objects under the light microscope. However during cell division, mitosis, the chromosomes become highly condensed and are then visible as dark distinct bodies within the nuclei of cells. The chromosomes are most easily seen and identified at the metaphase stage of cell division and most of the chromosome images in this gallery are pictures of metaphase chromomosomes.

The cell division takes place in mitosis stage.

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Q:

The Indian Space Research Organisation is planning its maiden mission to explore which planet ?

A) Mars B) Saturn
C) Jupiter D) Venus
 
Answer & Explanation Answer: D) Venus

Explanation:

The Indian Space Research Organisation(ISRO) is planning its maiden mission to Venus and its second one to Red planet. The same was confirmed by the newly allotted budget to the department of space, which mentions provisions for 'Mars Orbiter Mission II and Mission Venus'.

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Q:

'Grand Slam' in Tennis Consists of which of the following combinations?

A) Wimbledon, French Open, Italian Open, Australian Open B) Wimbledon, Australian Open, Japan Open, US Open
C) Australian Open, French Open, Wimbledon, US Open D) Wimbledon, South Africa Open, French Open
 
Answer & Explanation Answer: C) Australian Open, French Open, Wimbledon, US Open

Explanation:
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Q:

A rise in general level of prices may be caused by

A) an increase in the money supply B) an increase in the effective demand
C) a decrease in the aggregate level of output D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

All the three statements lead to either increase in demand of goods and services or decrease in the supply. This leads to increase in general level of prices.

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Q:

Teressa Island is located in which union territory of India?

A) Andaman & Nicobar B) Pondicherry
C) Delhi D) Lakshadweep
 
Answer & Explanation Answer: A) Andaman & Nicobar

Explanation:

Teressa Island is located in Andaman & Nicobar of India.

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