Practice General science Common Questions and Answers

• After rising a short distance the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a stream of...
• Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because 
• When hard water is evaporated completely, the white solid remains in the container. It may be due to the presence of 1. Carbonates of Ca and Mg 2. Sulphate...
• Which one among the following fuels is used in gas welding? 
• Which one of the following gases is supporter of combustion?
• Iron sheet kept in moist air covered with rust. Rust is 
• Consider the following statements Statement I: Clay layers are poor aquifers. Statement II: The inter-particle space of clay minerals is the least. Select ...
• Addition of ethylene dibromide to petrol 
• Nitric oxide pollution can lead to all of the following, except
• Which of the following statements is/are correct? 1. Amnion contains fluid. 2. Ultrasound scan can detect the sex of an embryo. Select the correct answer u...
• Which of the following solutions will not change the colour of blue litmus paper to red?  1. Acid solution 2. Base solution 3. Common salt solution Select...
• NaOH + HC1 -> NaCl + H₂ O in the given chemical reaction 
• A liquid initially contracts when cooled down to 4°C but on further cooling down to 0°C, it expands. The liquid is 
• What are the elements which are liquids at room temperature and standard pressure?  1. Helium 2. Mercury 3. Chlorine 4. Bromine Select the correct answer ...
• A compound that is a white solid which absorbs water vapour from the air is
• Which one among the following statements is not true for Mammals?
• Which one among the following statements is correct? 
• Consider the following statements regarding antibiotics 1. They are used to destroy disease-causing bacteria. 2. They can be applied to the skin, swallowed...
• Which one among the following statements about blood transfusion is correct? Blood group B can give blood to 
• Animals active at night are called 
• Sir C.V. Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? 
• Natural radioactivity was discovered by 
• The branch of science that studies cells is called 
• Algae often float on surface of water during day but sink during night due to:  
• When body is accelerated:
• Which of the following is not a unit of energy?
• Which is the longest bone in the human body?
• The outer most layer of the Sun is known as 
• Indian Institute of Science, Bangalore was founded by 
• The elements which have low value of ionization potential are strong
• _____ is a thyroid hormone which controls the balance of calcium in the body 
• The transport phenomenon occurs only in ____ state of a gas and is______. 
• Which of the following compounds form nitrites with nitrous acid?
• With the increase of the effective nuclear charge, the size of the atom or ion 
• On which of the following statements, is the kinetic theory of matter base? 
• When heated with chloroform, secondary amines and tertiary amines 
• Which one of the following statement regarding the sun is correct? 
• Supersonic speed is speed greater than the speed of sound (in air at sea level) that is to say around______ miles/hour. 
• An aeroplane rises because 
• Which one of the following crops enriches nitrogen content in the soil?