Questions

Q:

Man has _____ pairs of salivary glands

A) 3 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: A) 3

Explanation:

Salivary glands of man are 3 pairs = 6. They are one pair of parotid glands, one pair of sub-maxillary or sub-mandibular glands and one pair of sub-lingual glands.

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Filed Under: Biology

3 3201
Q:

Which protocol does ping use?

A) ICMP B) TCP
C) BootP D) ARP
 
Answer & Explanation Answer: A) ICMP

Explanation:

ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There are 2 ICMP variants one for IPv4 and one for IPv6.) echo request and echo response are the two operation codes of ICMP used to implement ping.

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Q:

In which of the following organelles does photosynthesis take place?

A) Miochondria B) Chloroplast
C) Central Vacuole D) Ribosome
 
Answer & Explanation Answer: B) Chloroplast

Explanation:

Chloroplasts use energy from light to transform carbon dioxide and water into sugar and oxygen.

A green pigment located in membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes.

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Filed Under: Biology
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3 3199
Q:

Find the compound amount if $1200 is deposited at 8% interest for 11 years if interest is compounded continuously

A) 1456 B) 1456
C) 1693.08 D) 1890
 
Answer & Explanation Answer: C) 1693.08

Explanation:

M=Pe^yr

 

2893.08

 

I=M-P

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0 3198
Q:

Where does hair not grow on the human body?

A) sole of feet B) palms
C) lips D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Hair grows everywhere on the skin except palms, sole of feet and lips on the human body. Hair is modified type of skin.

where_does_hair_not_grow_on_the_human_body1544865865.jpg image

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Filed Under: General Science
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3 3198
Q:

Systems biology is mainly an attempt to

A) simplify complex problems by reducing the system into smaller, less complex units. B) understand the behavior of entire biological systems.
C) analyze genomes from different species. D) speed up the technological application of scientific knowledge.
 
Answer & Explanation Answer: B) understand the behavior of entire biological systems.

Explanation:

Systems biology is mainly an attempt to understand the behavior of entire biological systems by studying interactions among its component parts.

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Q:

The p wave of a normal Electrocardiogram indicates

A) atrial depolarization B) Ventricular repolarization
C) atrial repolarization D) Ventricular depolarization
 
Answer & Explanation Answer: A) atrial depolarization

Explanation:

The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.

The P wave is a summation wave generated by the depolarization front as it transits the atria.

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Filed Under: Physics
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1 3196
Q:

The wavelength of a wave is the distance between

A) Crest and Trough B) Crest and Crest
C) Trough and Trough D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

Distance between two Consecutive Crests or two Consecutive Troughs is called Wavelength. But the distance between crest and adjacent trough is half the wavelength.

That is the distance between adjacent crest and trough is called Half the wavelength.

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Filed Under: Physics
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