Chemical Reaction B. Nuclear reaction C. Fission nuclear reaction D. Fusion nuclear reaction E. None of these
A. Conductor B. Non-Conductor C. Semi- Conductor D. Not a solid while iron is a solid E. None of these
A. Al-Qanun B. Al-Masudi C. New Renaissance D. Tadhkira E. None of these
A. Provide insulation for preserving body heat B. Provide striking surface to the wings for flying C. Make the body…
In human osmoregulation takes place by___________? A. Liver B. Kidney C. Spleen D. Lungs
What is the age of the Solar System in 2018? (A) 4.571 Billion Years (B) 5.571 Billion Years (C) 6.71…
A. Lens B. Film C. Aperture D. Shutter
A. Infra-red B. Ultraviolet C. X-rays D. Gamma rays E. None of these
A. 5-6 liters B. 3-4 liters C. 8-10 liters D. 10-12 liters
A. Convex lens B. Concave lens C. Convex-concave lens D. Concave-convex lens