Questions

Q:

The notable hardness of bone is attributed to

A) the presence of inorganic hydroxyapatites B) the presence of glycoproteins
C) the presence of collagen fibers D) the presence of cartilage
 
Answer & Explanation Answer: A) the presence of inorganic hydroxyapatites

Explanation:
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Q:

Which part of flower produces pollen grains that are generally yellowish in color?

A) Sepals B) Petals
C) Stamens D) Carpels
 
Answer & Explanation Answer: C) Stamens

Explanation:
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Q:

A protein is synthesized in the endoplasmic reticulum bound ribosomes and it targets to the inner thylakoid space of chloroplast. How many double-layered membrane layers it has to pass to reach its destination?

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: B) 3

Explanation:

There are 3 double-layered membrane layers, which the protein has to pass to reach its destination.

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Q:

What is the state of the processor, when a process is waiting for some event to occur?

Answer

Waiting state

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Q:

Heat from the sun is called

A) radiation B) nuclear fusion
C) nuclear fission D) escavation
 
Answer & Explanation Answer: A) radiation

Explanation:

Heat from the sun travels in the form of rays and are called as heat rays. This heat is called as radiation.

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Q:

Find the current (in A) when a charge of 1200C flows in 6 seconds.

A) 7200 B) 200
C) 100 D) 3600
 
Answer & Explanation Answer: B) 200

Explanation:
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Q:

What is the cause of most boating accidents?

what_is_the_cause_of_most_boating_accidents1538570800.jpg image

A) Machinery failure B) Alcohol use
C) Lack of proper look-out D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The main causes for the boat accidents are ::

1. Excessive speed

2. Machinery failure

3. Operator inexperience

4. Alcohol use

5. Operator inattention

6. Lack of proper look-out

7. Careless/reckless behavior and hull failure

8. Hazardous waters

and some more...

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Q:

Homology is evidence of

A) Common ancestry B) Divergent evolution
C) Punctuated evolution D) Convergent evolution
 
Answer & Explanation Answer: A) Common ancestry

Explanation:

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor. 

 

Hence, Homology is evidence of Common ancestry.

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