A. Aluminum
B. Tin
C. Zinc
D. Gypsum
Everyday Science
The most important ore of Aluminum is:
A. Monazite
B. Bauxite
C. Hematite
D. None of these
Which item has a different number of particles?
A. Positrons
B. Protons
C. Neutrons
D. Electron
What is called the reduction in the rate of growth?
A. Devotion
B. Devaluation
C. Price cap
D. All of these
Interferon is:
A. Lipid
B. Carbohydrate
C. Vitamin
D. Protein
What is the boiling point of water in °C?
A. 200°C
B. 500°C
C. 100°C
D. 80°C
Which of the following glands is large sized at birth but reduces in size with aging?
A. Thyroid
B. Pituitary
C. Thymus
D. None of these
Ozone layer protects life on the Earth from:
A. Ultraviolet rays
B. Greenhouse gases
C. Carbon dioxide
D. Oxygen
Among the following mediums, velocity of sound is the maximum in?
A. Vacuum
B. Water
C. Steel
D. None of these
Dead plants on the water surface causing oxygen depletion is called:
A. Eutrophication
B. De-Oxygenation
C. De-Nitrogenization
D. None of Above
