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Practice General science Common Questions and Answers

The leading producer of Muga silk in the world is:
An element "X", having atomic number 16. gains two electrons to form an anion X. What will be the atomic number of 'X' in the anion?
How many moles of carbon dioxide are present in a gas jar containing 1.501 × 1022 molecules of CO₂?
The PH of an aqueous solution of a salt is 4.5. Which of the following about this salt is true?
The refractive index of water and turpentine oil are 1.33 and 1.47, respectively. A ray of light travels from turpentine oil to water. The refractive ind...
Which of the following is NOT a method to improve crop yields in India?
Which of the following is NOT a part of the 'Five Fs' in maintaining sanitary hygiene?
Which of the following is the correct set-up for electrolytic refining of silver?
An object is placed on the axis of a concave mirror at its focus (F). The image formed is:
Which of the following statements for the given chemical reaction is true? Fe2O3 + 2Al = Al2O3 + 2Fe...
In the given figure, frogs occupy ________.
Which of the following statements for the given chemical reaction is true? Fe₂ O₃ + 2Al → Al₂ O₃ + 2Fe
A cylindrical metal wire is reformed so that its length decreases by 20% with no change of volume. Its resistance decreases by:
The Amrita Devi Bishnoi Wildlife Protection Award is given in the memory of Amrita Devi Bishnoi, who sacrificed her life along with 363 others for the prot...
Study the given information. Consider the force on a current carrying straight conductor in a magnetic field. (i) It is perpendicular to the direction of...
You are given two liquid mixtures "X" and "Y". Both appear to be homogeneous, but "X" does not scatter light whereas "Y" scatters light. Which of the fol...
When Mendel crossed a tall pes plant with a short pea plant, only tall plants were produced. Of these progeny F1 plants, ______ had dissimilar factors o...
The primary reason that smoking cigarettes is bad for our health is that cigarette smoke _______.
When carbon dioxide gas is passed through lime water, a white precipitate is formed, which dissolves on passing excess of carbon dioxide. The white preci...
Zinc metal liberates hydrogen gas on reaction with dilute HCl, but hydrogen gas is not liberated, when zine is reacted with nitric acid. What is the reason...
Which of the following organelles is NOT bound by a membrane?
The modern system of classification of living beings is based on the principles of
Which of the following endocrine glands is located in the thoracic region in man?
Which of the following statement(s) is/are true? I. Air expands on heating II. The warm air is heavier than the cold air
Which of the following is not an equation of motion?
Which of the following statement(s) is/are true? I. During inhalation ribs move out II. During exhalation ribs move in
The process by which heat is transferred from the hotter end to the colder end of an object is known as ______.
What is the name of the protein digesting enzyme released by the gastric glands?
Which of the following statement is correct? I. Speed of sound in steel is more than the speed of sound in glass. II. Speed of sound in brass is more tha...
Which of the following statement is correct? I. Blood is a type of connective tissue II. Bone is a type of connective tissue
Mass of an object on earth is 12. What is its weight on moon?
Organisms have been divided into how many kingdoms?
Which of the following is correct regarding frequency? I. Frequency is expressed in hertz II. A frequency of 1 Hz is one oscillation per minute
What is the ph of lemon juice?
Which of the following pair of microorganisms is correct? I. Spirogyra – Algae II. Amoeba – Fungi
Which of the following statement is/are true? I. Acids are sour in taste II. Bases are bitter in taste

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