Category - Science

Objective questions and answers on Metals and Non-metals: Which of the following statements is true...

Plant Breeding multiple choice questions Ques. Plant breeding is (a) An art (b) A science (c) both...

Biot-Savart’s Law and Ampere’s Law problems and answers: Ques: If a copper rod carries...

Practice Questions on Heating Effect of Current: Ques: A 60 watt bulb carries a current of 0.5 amp...

Quiz on different Branches of Biology: Study of abnormal embryonic growth comes under (a)...

Questions on Famous Scientists and important Inventions: Who invented Machine gun? (a) Vladimir...

Resistivity and Electrical Conductivity Question Bank: Ques: The length of the resistance wire is...

Electric Field and Potential Multiple Choice Questions: Ques: Charges 4Q, q and Q and placed along...

Physics Capacitor Problems with Answers: Ques: The potential to which a conductor is raised...

Quantum numbers practice problems with answers: Quantum numbers, Hund’s rule, Electronic...

Rutherford’s experiment, Bohr’s model, Davisson and Germer’s experiment...

Objective Questions on Basics of Mechanical Waves Ques: Which of the following statements is wrong...

Ques. The number of electrons in an atom of an element is equal to its (a) Atomic weight (b) Atomic...

“Molecular scissors” is (a) Helicase (b) DNA ligase (c) DNA polymerase (d) Restriction endonuclease...

Which one is a biofertilizer? (a) VAM (b) Sporeine (c) Devine (d) Agent Orange Which of the...

The first pesticide used by man was (a) Rotenone (b) Pyrethrin (c) Pheromone (d) Thuriocide...

‘First line of defense’ is known as (a) Antibodies (b) WBC (c) Skin (d) Liver A disease that...

Ques. Kreb’s has been awarded Nobel Prize in 1953 for explaining (a) Energy forming process...