Q.1 Human population growth is greatest in developing countries because ?
Q.2 A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
Q.3 Fuel used in a Fast Breeder Reactor is _____________?
Q.4 What is the body temperature of a normal man?
Q.5 About 50% of the Earthâs crust, including the waters on the Earth and atmosphere, is?
Q.6 The SI unit of “pressure” is _________.
Q.7 Bronze medal is made up of metals ?
Q.8 The famous book; Al â Qanun was written by the Muslim scientist ?
Q.9 Which of the following atmospheric layers help in radio communication?
Q.10 The three elements needed for healthy growth of plants are __________?
Q.11 Chemical used to kill rats and mice are ?
Q.12 Sedimentary rocks are__________?
Q.13 The main constituent of hemoglobin is___________?
Q.14 Orbital period of the planet Mercury around the sun is _____________?
Q.15 The largest part of the human brain is ___________?
Q.16 When white light is passed through a prism, it splits into __________ colours.
Q.17 Which triplet in DNA codes for valine ?
Q.18 Diamond is a very expensive ornament. It is composed of a single element ___________?
Q.19 Study of life in outer space is known as ?
Q.20 The source of oxygen in photosynthesis is
Q.21 ECG is used for the diagnosis of aliments of ?
Q.22 The deepest place on earth is ____________?
Q.23 Which of the following elements is not present abundantly in earthâs crust ?
Q.24 Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?
Q.25 Which is the largest organ in the human body?
Q.26 The nearest planet to the Earth is _________?
Q.27 In a railway track, two rails are joined end to end with a gap tin between them because?
Q.28 Malaria is a disease which effects the____________?
Q.29 When a person enters a dark room from bright light he is not able to see clearly for a little while because the?
Q.30 The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
Q.31 The temperature of the dead body is_______________?
Q.32 In general, wind speed of 10 â13 kph caused_______?
Q.33 The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?
Q.34 Deficiency of __________ causes loss of appetite and poor growth?
Q.35 A camera uses a __________ to form an image.
Q.36 Which of the following layers make radio transmission possible?
Q.37 Clocks, which moves with the velocities comparable with the velocity of light, run ?
Q.38 The Continent Antarctica lies at the__________?
Q.39 In humans , most nutrient molecules are absorbed by the ?
Q.40 Rectified spirit contains alcohol about ?
Q.41 Each day human body breathe in __________ liters of air.
Q.42 Urine is produced in __________?
Q.43 When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?
Q.44 A lake starts freezing because of the cold atmosphere. It will first freeze
Q.45 How many bones are there in a newly born infant?
Q.46 Digestion of food is completed in the __________?
Q.47 Magnifying power of a simple microscope can be increased by ?
Q.48 The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.
Q.49 Myopia is a defect of Human eye. it can be corrected by using a lens called?
Q.50 Defeciency of following vitamin decreases hemoglobin production ?
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