General Knowledge Questions

Q:

Plant cells perform photosynthesis, which occurs in the

A) Nucleus B) Mitochondria
C) Cytoplasm D) Chloroplasts
 
Answer & Explanation Answer: D) Chloroplasts

Explanation:

Photosynthesis takes place inside plant cells in small things called chloroplasts.

Chloroplasts contain a green substance called chlorophyll and this absorbs the light energy needed to make photosynthesis happen.

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Q:

An integrated circuit is more advantages than a coventional circuit because 

A) they make the electric equipments more reliable and easier for servicing B) a faulty part of a conventional circuit may be difficult to locate and repair
C) if a part of the integrated circuit fails the entire circuit is simply replaced D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

Integrated circuit (IC) is a tiny device that controls electric signals in such electronic equipments as computers and T.V sets. Many integrated circuits contain thousands of electronic parts on a paper - thin chip of silicon. These parts include capacitors, diodes, all in a very small, compact space.

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Q:

The elements which have low value of ionization potential are strong:-

A) Oxidizing agents B) Reducing agents
C) Oxidizing and Reducing agents depending upon the reactants D) none of these
 
Answer & Explanation Answer: C) Oxidizing and Reducing agents depending upon the reactants

Explanation:

Oxidizing and reducing agents depend upon the reactant. Oxidizing and reducing agents are key terms used in describing the reactants in redox reactions that transfer electrons between reactants to form products.

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Q:

Conservation of energy refers to the fact that

A) if you conserve energy you will not be as tired B) energy cannot be created or destroyed but can be converted from one form to another
C) no chemical reaction is 100 percent efficient D) the entropy of the universe is always increasing
 
Answer & Explanation Answer: B) energy cannot be created or destroyed but can be converted from one form to another

Explanation:

"Conservation of energy" refers to the fact that energy cannot be created or destroyed but can be converted from one form to another.

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Q:

Synchronous motor can operate at

A) Lagging power factor only B) Unity power factor only
C) Leading power factor only D) At any power factor
 
Answer & Explanation Answer: D) At any power factor

Explanation:

synchronous motor can operate at lag lead and unity power factor also why because it is mainly depends on excitation

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Q:

Organisms that depend only on raw plant products are said to be 

A) herbivorous B) vegetarian
C) carnivorous D) omnivorous
 
Answer & Explanation Answer: A) herbivorous

Explanation:

Herbivorous organisms are those that take for their food, plant parts like leaves raw in contrast to vegetarian, which means that plant products are taken raw or after being cooked.

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Q:

A locked file can be

A) modified by user with the correct password B) is used to hide sensative
C) accessed by only one user D) Both B & C
 
Answer & Explanation Answer: C) accessed by only one user

Explanation:

A locked file can be accessed by only one user.

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Q:

The lining of the marrow cavity is

A) Endosteum B) Sarcolemma
C) Episteum D) Periosteum
 
Answer & Explanation Answer: A) Endosteum

Explanation:

The marrow cavity is also known as the medullary cavity. It is the central cavity of bone shafts where adipose tissue is stored. It is lined with a thin, vascular membrane called endosteum.

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