MCQs

Q571: Atmospheric pressure decreases with the _______?

• A) increase in longitude
• B) Decrease in altitude
• C) Increase in altitude

Q572: Aeroplanes fly in ______?

• A) Troposphere
• B) Stratosphere
• C) Mesosphere

Q573: Cotton contains ______ cellulose.

• A) 30%
• B) 65%
• C) 95%

Q574: Fats are solids at ______?

• A) Ordinary room temperature
• B) High temperature
• C) N.O.T

Q575: What is true about a peptide?

• A) It is a protein
• B) It is an anhydride of carboxylic acids
• C) It is a polyamide

Q576: Which one of the following is a polysaccharide?

• A) Fructose
• B) Maltose
• C) Starch

Q577: Amino acids are building blocks of ______?

• A) Nucleic acids
• B) Protein
• C) Vitamins

Q578: The carbohydrates which contain the aldehyde group are called?

• A) Saccharides
• B) Ketoses
• C) Aldoses

Q579: Which molecule carries the genetic information in cells and is responsible for the transmission of traits from one generation to the next?

• A) RNA
• B) DNA
• C) Progesterone

Q580: CH3-CH2- is _____ radical.

• A) Methyl
• B) Ethyl
• C) n-propyl