MCQs

Q341: Which of the following is the reason of global warming?

• A) Presence of sulphite
• B) Rise in CO2 concentration
• C) Oxides of nitrogen

Q342: The unit of Kc for reaction N2 + O2 ⇌ 2NO?

• A) mol dm^-3
• B) mol^-2 dm^6
• C) No unit

Q343: IC stands for _____?

• A) Insulated Cable
• B) Intelligent Chip
• C) Integrated Circuit

Q344: Which of the following may cause flu?

• A) Bacteria
• B) Virus
• C) Plant

Q345: Which of the following animals are warm-blooded?

• A) Birds
• B) Reptiles
• C) Fish

Q346: Herbivores that eat only?

• A) Plants
• B) Animals
• C) Both A and B

Q347: Humans are born with _______ bones but adults have _______ bones.

• A) 206, 206
• B) 300, 300
• C) 300, 206

Q348: The SI is made up of how many basic units?

• A) 7
• B) 6
• C) 19

Q349: The time light takes from Sun to reach Earth is _____?

• A) 8 minutes
• B) 25 minutes
• C) 45 minutes

Q350: A computer program that translates one program instructions at a time into machine language is called?

• A) Interpreter
• B) Compiler
• C) CPU