Skip to content- ▪ The science of study of old age is called Gerontology
- ▪ The function of the thermostat in a refrigerator is To maintain the temperature
- ▪ Blotting paper absorbs ink because The action of capillary
- ▪ Name the vaccine that protects against tuberculosis? BCG bacillus Calmette-Guérin
- ▪ Name the disease of the liver that causes a patient to turn yellow? Jaundice
- ▪ Equinox is the time when the sun appears vertically overhead at noon at the equator.
- ▪ In the human body, blood-clotting factor is produced by the liver
- ▪ Human blood is able to carry large amounts of oxygen because of the chemical hemoglobin
- ▪ The living part of a plant cell is composed of a nucleus and cytoplasm
- ▪ The front of the eye is covered with a tough transparent material called CORNEA
- ▪ The smallest branches of an artery lead into tiny blood vessels called CAPPILARIES
- ▪ Insulin is produced in the human body by the Pancreas
- ▪ In an animal cell protein is synthesized in the Ribosome
- ▪ Chemically finger nails are made up of Protein
- ▪ Muscle stiffness is a symptom caused by the disease Tetanus
- ▪ The fat in our food is digested by the enzymes lipase
- ▪ Sound is a form of energy
- A fraction of sunlight is refracted as it enters the earth‘s atmosphere.
- Electric current is measured by an Ammeter.
- Light with larger wavelength than that of the red colour is called infrared
- Medulla Oblongata connects the small brainwith the spinal chord.
- Spinach is a good source of vitamin A, B2 (Riboflavin) and Iron.
- ▪ Femur is a bone of the leg.
- ▪ Excessive burning of fossil fuels cause acid rain.
- ▪ Planet Mars has two moons.
- ▪ Bauxite is an ore of aluminium
- ▪ Mica is a nonconductor of electricity
- ▪ Sun is the biggest star in the universe.
- ▪ The capacity to do work is called energy.
- ▪ The energy possessed by a body die to its position is called potential energy.
- ▪ Nucleus usually lies in the centre of an animal cell
- ▪ Calcium and phosphorus are the essential elements of bones.
- Proteins are formed by combination of amino acids.
- Rainwater dissolves sulphur dioxide to form sulphuric acid.
- ▪ The set of instructions given to a computer is called software.
- ▪ In a heat engine, heat energy is changed into mechanical energy
- ▪ The smallest unit of measurement of wavelength is angstrom
- ▪ The chemical generally used in refrigerators is ethylene
- ▪ Period of famous Muslim scientists is 7th – 13th century A.D.
- ▪ Heat radiation travels at a speed equal to speed of light
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