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What is the number of chromosomes in a normal human body cell
Why is water not suitable for putting out a petrol fire
Blowing Air with open pipe is an example of:
Name the process by which bubbles from liquid are formed -
The advantage of detergents over soaps is
The part of the brain more developed in man is_
What is the pH value of salt and water.
Which of the following is a great source of Vitamin A ?
Why is weightlessness experienced while orbiting the earth in space ships?
Blue of the sky is due to the
Name the terminals of an FET.
What is the purpose of adding baking soda to dough?
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Why two thin shirts can keep us warmer than a single thick shirt in winters?
Blue-green algae are included in the group
Helium gas is filled in ballons as
Name the virus that is transmitted through the biting of infected animals, birds, and insects to a human?
The alkali metals have
The percentage of oxygen in air is approx.
What is the reason among the following, behind the floating of clouds ?
Which of the following is a large blood vessel that carries blood away from the heart?
Why white clothes are cooler as compare to black clothes?
Bone ash contains
Helium gas is used in gas balloons instead of hydrogen gas as it is
Name two elements that find wide application in transistor industry
The alkoloid naturally found in coffee, cocoa cola nut is
The percentage of oxygen present in air is approximately
What is the term used for the ability of a metal to be drawn into thin wires ?
Which of the following is a Lewis acid ?
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?
Bos Taurus is a scientific name of ..
Hemophilia is -
Natural rubber is a polymer of
The alum used for purifying water is
The PH value of a sample of multiple distilled water is
Which of the following is a major component of honey?
Wilhelm Rontgen invented
Brain disease is detected by which of the following?
Herpetology is the study of:
The amino acid are the end product of digestion of
What is the unit of electric current?
Which of the following is a natural colloid -
William Frederick is credited with the invention of the modern Frisbee in the mid 1950s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbee who was a _?
Brass contains
Negative feedback in amplifiers
The amount of oxygen in the atmosphere remains relatively constant as it is given off by
The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or be transported elsewhere, is most commonly found in which among the following plants?
What is the unit of power in SI?
Wilting in plants occurs because of
Hodophobia is the fear of which of the following?
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