MCQs

Q161: When the air in the atmosphere increases, pressure becomes _____?

• A) Zero
• B) Low
• C) High

Q162: Parsec is a unit used to measure _______?

• A) Distance
• B) Speed
• C) Time

Q163: In maxam-gilbert method, DNA threads are ______?

• A) Synthesized from mRNA
• B) Synthesized by using terminating nucleotides
• C) Chemically cut into pieces

Q164: J. Seiler in 1914 discovered which type of sex determination in moths?

• A) ZZ-ZW
• B) XO-XX
• C) XY-XX

Q165: Which metal is not found in the natural (free) state? A) Gold B) Silver C) Platinum D) Sodium

• A) Gold
• B) Silver
• C) Sodium

Q166: When the volume of a gas is held constant, increasing the temperature causes the pressure to?

• A) Decrease
• B) Increase
• C) Remain the same

Q167: What is relation between Volume of a gas and Pressure?

• A) Directly Proportional
• B) Exponentially Related
• C) Inversely Proportional

Q168: What is SI unit of Torque (Moment)?

• A) Nm
• B) N/m
• C) N

Q169: Periods in the periodic table are ____?

• A) Vertical columns
• B) Horizontal rows
• C) Diagonal lines

Q170: What is the IUPAC name of chloroform?

• A) chloro methane
• B) dichloro methane
• C) trichloro methane