Q. No. 1: Encircle the correct option:
- Height of mount Everest is:
a. 7900 m b. 8900 m c. 6900 m d. 8800 m - Which instrument is used for the measuring the earth quack?
a. Thermometer
b. Measuring cylinder
c. Richter scale
d. None - _ keeps the planets on orbit around the sun.
a. Fractional force
b. Gravitational force
c. Magnetic force
d. None - Poles of magnet are responsible for _ properties.
a. Kilometer b. Magnetic c. Electric d. None - 1miles = ?
a. 1614 b. 1615 c. 1616 d. 1613 - When light reflects from a surface there is a change in its __?
a. Speed
b. Direction
c. Wavelength
d. Periscope - Eardrum is located in _ ear.
a. Outer ear
b. Middle ear
c. Inner ear
d. Auditory - The cochlea of the inner ear has __ hair like nerve cells?
a. 30,000 b. 40,000 c. 20,000 d. 50,000 - Sound waves can’t travel in vacuum because
a. It is outside the earth atmosphere
b. It is free of particles
c. It has no energy
d. It has cosmic rays - It does not convert electrical energy into heat:
a. Oven
b. Electric iron
c. Electric kettle
d. Electric fan - Tell which bulb will produce move heat and light:
a. 60 watt
b. 100 watt
c. 200 watts
d. 500 watt - Otto von Guericke invented the first electric generator in:
a. 1666 b. 1665 c. 1675 d. 1670 - A photograph of Halley’s comet taken in:
a. May 1919 b. May 1910 c. May 1909 d. May 1908 - The first GPS satellite was launched in:
a. 1878 b. 1978 c. 1778 d. 1678 - Asteroids are also known as __?
a. Meteor b. Rock c. Planetoid d. None - The Braille reading system allows them to read using the sense of __?
a. Taste b. Listening c. Touch d. None - Connective tissues bind the body’s __
a. Nerveces b. Tissues c. Structures d. Cell