1
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:   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.

Subject: Biology
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO
Q:

Yeast and mushrooms are the examples of organisms of which kingdom?

 

A) Fungi B) Monera
C) Plantae D) Protista
 
Answer & Explanation Answer: A) Fungi

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

2 7037
Q:

Which of the following is the largest group of animals?

A) Nematoda B) Porifera
C) Arthropoda D) Mollusca
 
Answer & Explanation Answer: C) Arthropoda

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 452
Q:

Plants having body that is differentiated into roots, stems and leaves and have specialized tissue for the conduction of water and other substances, fall in which group?

 

A) Bryophyta B) Thallophyta
C) Pteridophyta D) All option are correct
 
Answer & Explanation Answer: C) Pteridophyta

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

6 494
Q:

Which are the special proteins in muscles that contract and relax to cause movement?

 

A) Contractile protein B) Receptor protein
C) Structural protein D) Enzymatic protein
 
Answer & Explanation Answer: A) Contractile protein

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

1 4073
Q:

The richest source of Vitamin D from food is

A) Cotton seed oil B) Olive oil
C) Cod liver oil D) Sunflower oil
 
Answer & Explanation Answer: C) Cod liver oil

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

3 371
Q:

Oncology is associated with treatment of

A) Osteoporosis B) Diabetes
C) Cancer D) Renal failure
 
Answer & Explanation Answer: C) Cancer

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

2 501
Q:

The group of crop plant that are vegetatively propagated is:

 

A) potato,papaya and banana B) Sugarcane,potato and banana
C) groundnut,drumstick and cashew nut D) Onion,coriander and lime
 
Answer & Explanation Answer: B) Sugarcane,potato and banana

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

3 8660
Q:

The O-T-C medicine Crocin is an

A) Analgesic B) Antipyretic
C) Analgesic and antipyretic D) Antiseptic
 
Answer & Explanation Answer: C) Analgesic and antipyretic

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Biology
Exam Prep: Bank Exams

4 535