Basic science quiz

What is the full form of DNA?

• a) Dioxide Nucleic Acid

• b) Deoxyribonucleic Acid

• c) Dual Nucleic Acid

• d) Deoxyribose Nitrogenous Acid

Which organelle is known as the powerhouse of the cell?

• A) Nucleus

• B) Ribosome

• C) Mitochondria

• D) Golgi apparatus

Which part of the human brain controls balance and coordination?

• A) Cerebrum

• B) Cerebellum

• C) Medulla

• D) Thalamus

Which of the following is a physical change?

• A) Rusting of iron

• B) Burning of paper

• C) Melting of ice

• D) Cooking of food

What is the chemical formula of common salt?

• A) NaCl

• B) KCl

• C) NaOH

• D) CaCl₂

Which blood group is called the universal donor?

• A) A

• B) AB

• C) O

• D) B

What is the SI unit of force?

• A) Joule

• B) Newton

• C) Watt

• D) Pascal

Which gas turns lime water milky?

• A) Oxygen

• B) Hydrogen

• C) Carbon dioxide

• D) Nitrogen

What is the primary function of red blood cells?

• D) To produce hormones

• C) To clot blood

• B) To transport oxygen

• A) To fight infections

Which element is represented by the symbol 'Fe'?

• A) Fluorine

• B) Iron

• C) Francium

• D) Fermium