100 Questions of Science - 3

Which rays are emitted from radioactive substances? - Alpha rays, beta rays, gamma rays
Which of the following was discovered by James Chadwick? - Neutron
Binomial Nomenclature was proposed by -Carl Von Linnaeus
Ammonium chloride (NH4Cl) solution is - Acidic
Which of the following elements is oxide in cooling? - Nitrogen
Which hormones increase in reproductive (egg production) of human females? - Estrogen
When Prolog Programming language evolved? - in 1972
Backbone related? - From Internet
Web came into existence? - in the USA
Argon inert gas is not found in the environment.
Which metal is used with Iron in making stainless steel? - Chromium
The Filament wire of Electric Bulb made up of - Tungsten
How many watts are there in a horse power? - 746 watt
Arsenic, Antimony, Bismuth are metalloids.
Ammonia (NH4) is Chemical Compound.
Nucleus is central core of Atom which contains - Proton and neutrons
What is the study of vegetable-producing plants? - Olericulture
Suddenly a boy comes and sits on a rotating circular table. How will the effect on the angular velocity of the table? - will be reduced
Force = Mass x Acceleration
What is the name of study of genes, heredity in the living organism? - Genetics
What is the fall of objects independently in zero or of? - Has the same acceleration
Which unit can we measure food energy? - Calories
The unit of electric current is – ampere
Air is neither a element nor a compound.
The fourth stage of the substance is - Plasma
The study of flowers is called - Anthology
What is the SI unit of power of lens? - Diopter
What Studies in Paleobotany - Fossil Plants
What decibels are used for measuring? - Sound in the environment
Electromagnetic waves are - Radio waves
The total energy of falling objects independently - remains unchanged
Electron was discovered – J.J. Thomson
Growth of tissue or cell separate from the organisms - Tissue Culture
What is the first law of Newton's speed? - Rule of Inertia
Who discovered the proton? - Rutherford
Which ray has the maximum penetration potential? - Gamma rays
Atomic Number - the number of protons present in the nucleus
Which glass is used for sunglasses? - Crookes
Polio virus enters body by - Contaminated food and water
Brain disease is identified by - E.E.G.
Sleeping Sickness disease – Trypanosomiasis
Tuberculosis caused by bacteria.
What is the main ingredient of honey? - Fructose
Vitamin 'A' in the human body is accumulated - In the liver
What is the best source of vitamin C? - Amla
Which of the following minerals is necessary to control heartbeat? - Potassium
What contains in spinach leaves? - Iron
What is the function of white blood cells? - Holding the disease resistant capacity
Which blood group donor can donate all types of blood group? – O- (O –Negative)
Green vegetables mostly contain Minerals (Iron and Calcium).
In which part of the body organ is most of the digestion in process? - Small intestine
Which of the following diet provides nutrients for the growth of new tissues in the human body? - Paneer
If a father's blood group is 'A' and the mother's blood group is 'O', then What the blood group of his son? - O-
What is the maximum weight of our body? - Of water
In the form of which is the collection of carbohydrates in the body? - Glycogen
Which of the vitamins is rich in liver oil in fish? - Vitamin D
Cow’s milk is yellow because of its presence? - Carotene
Which element is found in the highest amount in the universe? - Hydrogen
"Earth and other planets revolve around the sun", who first proved it? - Copernicus
In the pressure cooker, food is ready in a short time, because - The boiling point of water increases.
Where does it take more time to cook rice? - On Mount Everest
What is the chemical name of vinegar? - Ethanoic acid
What is 'Milk of Magnesia'? - Magnesium hydroxide
Which of the following is tear gas? - Chloropicrin
Which of the following pollutes the air most? - Carbon Monoxide
Whom did Edward Jenner discover? – Small Pox Vaccine
What is the reason for getting AIDS? - Lack of T-4 lymphocytes
What is the AIDS virus? – Positive Single Strand RNA
What cell walls of algae are made of? – Cellulose
The red color of the Red Sea is due to the presence of which of the following? – Algae (Trichodesmium erythraeum)
Who discovered penicillin? - Alexander Fleming
What is indicator of the lichen? - Air Pollution
Who receives the quinine? - from Bark of Chinchona tree
What is the eatable portion of cauliflower? – Flower Part
Generally what is not needed for germination? - Light
'Stem cut' is commonly used for amplification? - Sugarcane
What is the eatable portion of coconut? - Embryos
What is the Botanical name of the mango plant? - Mangifera Indica
What is fertilization? - Combination of a male gametes with female gametes
What is the largest flower in the world? – Rafflesia arnoldi
Which is the most important part of the plant in terms of lifecycle? - Flower
Where is the purification of blood in the human body? – Through Renal Artery in Kidney
What is the main function of the white blood cell (W.B.C.)? - Holding the disease resistant capacity
In Rajasthan, where is the vast reservoir of copper in Rajasthan? - In Khetadi area
What is the main crop of India? - Rice
There are two main functions of leaves: - Photosynthesis and Transpiration
What is the popular name of Calcium Sulphate used by doctors, painters, craftsmen etc.? - Plaster of Paris or Gypsum Plaster (CaSO4.2H2O)
When making gold ornaments, which metals are mixed in it? - Copper
Which metal is the heaviest metal? - Osmium
Which gas is the fire extinguishing gas? - Carbon dioxide
At night, sleeping is harmful under the trees because it leave - Carbon dioxide
What is abundant in the human body? - Oxygen
What acid found in Tomato Sauce? - Acetic acid
Who is known as the biologist's biographer? - Aristotle
Which fruit is found under the ground? - Peanut
Who gives a definite form to the cell? - Cell wall
Whose plants are greens? – Chloroplast
Where is the National Environment Engineering Institute located? - In Nagpur
What is the 'brown revolution' related to? – Leather, Cocoa Production
Which hormones are more active during childbirth in female animals? - Oxytocin