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

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Q:

Amino acids can be distinguished from one another by

A) type of bond between the R group and the rest of the molecule B) the number of R groups found on the amino acid molecules
C) the chemical properties of their R groups D) the chemical properties of the amino and carboxyl groups
 
Answer & Explanation Answer: C) the chemical properties of their R groups

Explanation:

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

 

Depending on the nature of the side chain groups, three classes of aminoacids can e distinguished:

1. Amino acids with H ond donor and acceptor groups.

Histidine, lysine, aspartic acid, threonine,...

2. Amino acids with donor grups only.

Arginine, tryptophan and cysteine.

3. Amino acids with acceptor groups only.

Asparagine and glutamine.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

A) 10 MeV B) 100 MeV
C) 1 MeV D) 0.1 MeV
 
Answer & Explanation Answer: A) 10 MeV

Explanation:

A photon’s relativistic momentum is given by the equation,E = pc where p is the momentum.

P = 10 MeV/c

So, E = 10 MeV

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Filed Under: Physics
Exam Prep: Bank Exams

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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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Q:

I can grow quickly and I can die slowly, I can be a terrible pain or a comfort and joy. You never find me all by myself. What am I?

Answer

A relationship.

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Subject: Word Puzzles Exam Prep: Bank Exams
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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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Q:

Who among the following was the first Indian to receive the Megsaysay award

A) Vinoba bhave B) Mother teresa
C) R.K.Laxman D) T.N.Seshan
 
Answer & Explanation Answer: A) Vinoba bhave

Explanation:
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Filed Under: Honours and Awards

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Q:

Which day is celebrated as United Nations day every year

A) 7th April B) 25th August
C) 24th October D) 27th December
 
Answer & Explanation Answer: A) 7th April

Explanation:
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