Science

Free Online science questions with answers. The Science Test consists of multiple-choice questions. test your knowledge about science. Free Science test, quizzes, online questions and answers,mcq.

Physics quiz 71

Question: A Jet engine works on the principle of conversation of: 1. linear momentum 2. enrgy 3. angular momentum 4. …

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Physics quiz 72

Question: The S.I.unit of electric charge is: 1. coulomb 2. ampere 3. e.s.u 4. kelvin Answer: 1 Question: Light beam …

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Physics quiz 73

Question: The velocity of sound is maximum in – 1. Vacuum 2. Metal 3. Liquid 4. Air Answer: 2 Question: …

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Physics quiz 74

Question: Which one among the following would expand the most on being heated? 1. Air 2. Water 3. Alcohol 4. …

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Physics quiz 75

Question: While checked with a multimeter, an open resistor reads – 1. Zero 2. Infinite 3. High but within tolerance. …

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Physics quiz 70

Question: Two resistance of 3Ω and 6Ω respectively are connected to a battery of 18V in series. The current passing …

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Physics quiz 69

Question: Transistors used in electronic equipments are mostly made of 1. Silver 2. Copper 3. Silicon 4. Carbon Answer: 3 …

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Physics quiz 68

Question: Pulley in a belt drive acts as – 1. Cylindrical pair 2. Turning pair 3. Rolling pair 4. Sliding …

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Physics quiz 67

Question: What are Ferrites? 1. Magnetic but have low resistance 2. Magnetic but have high resistance 3. Non-magnetic with low …

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Physics quiz 66

Question: The information is sent by CW transmitter by – 1. Changing the audio frequency 2. Interrupting radio signal 3. …

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Physics quiz 65

Question: Hydrogen has the tendency to gain one electron to acquire helium configuration. In this tendency, it resembles 1. Alkali …

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Physics quiz 64

Question: Moving electric charge produces: 1. heat waves 2. magnetic field 3. light rays 4. sound waves Answer: 2 Question: …

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Physics quiz 63

Question: Suppose you are standing 1 m in front of a plane mirror. What should be the minimum vertical size …

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Physics quiz 62

Question: A student heated some sulphur in a spatula and collected the gas ‘X’. Which one among the following is …

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Physics quiz 61

Question: The Phillips Curve shows the relation between – 1. Income and price level 2. Income and investment 3. Inflation …

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Physics quiz 60

Question: When a light wave is reflected from a mirrior, there is a change in its 1. velocity 2. frequency …

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Physics quiz 59

Question: Which one among the following statements is correct? 1. Concave mirrors are used as reflectors 2. Convex mirrors are …

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Physics quiz 58

Question: The focal length of a convex lens is 1. shorter for blue light than for red 2. the same …

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Physics quiz 57

Question: A fluorescent tube contains 1. Argon 2. Nitrogen 3. Neon 4. Oxygen Answer: 3 Question: The feeding of a …

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Physics quiz 56

Question: A mobile phone charger is – 1. an inverter 2. a UPS 3. a step-down transformer 4. a step-up …

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Physics quiz 55

Question: Speed of sound is maximum in: 1. Gas 2. Same in all cases 3. Liquid 4. Solid Answer: 4 …

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Physics quiz 54

Question: There are four statements gives below explaining why mercury is chosen as a thermometric liquid. which of these statements …

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Physics quiz 53

Question: Ultrasonic waves are those sound waves having frequency 1. between 20 hertz and 1000 hertz 2. between 1000 hertz …

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Physics quiz 52

Question: Confirmation of the presence of Higgs boson will justify – 1. Both the standard model and superstring theory 2. …

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Physics quiz 51

Question: In summer, sometimes the bicycle tube bursts because inside the tube 1. Weight of the air increases 2. Pressure …

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Physics quiz 50

Question: Fathom is the unit of marine depth. One Fathom is equal to 1. 5 feet 2. 7 feet 3. …

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Physics quiz 49

Question: A GM counter is used for detecting – 1. Underground oil 2. Coal 3. Radioactivity 4. Mehane gas Answer: …

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Physics quiz 48

Question: Standing in front of a special mirror, a man finds his image small head and body but legs of …

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Physics quiz 47

Question: A particle is moving freely. Then its 1. Kinetic energy is always greater than zero 2. Potential energy is …

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Physics quiz 46

Question: Ohm’s law defines 1. a resistance 2. current only 3. voltage only 4. both current and voltage Answer: 2 …

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Physics quiz 45

Question: The sound of explosion in a distant star is not heart from the Earth because 1. The frequency of …

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Physics quiz 44

Question: A person climbing a hill bends forward in order to – 1. Avoid slipping 2. Increase speed 3. Reduce …

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Physics quiz 43

Question: The freezing point of fresh water is – 1. 0°C 2. 4°C 3. 3°C 4. 5°C Answer: 1 Question: …

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Physics quiz 42

Question: In a broadcast receiver, most of the selectivity is achieved in – 1. 1 F stage 2. R F …

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Physics quiz 41

Question: To correct his/her vision, a person suffering from short-sightedness will have to use – 1. Convex lens 2. Concave …

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Physics quiz 1

Physics Quiz 1 Basic Physics Quiz for entrance exams. Test your Physics knowledge online for free. Free basic Physics quizzes …

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Physics quiz 2

Physics Quiz 2 Basic Physics Quiz for entrance exams. Test your Physics knowledge online for free. Free basic Physics quizzes …

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Physics quiz 3

Physics Quiz 3 Basic Physics Quiz for entrance exams. Test your Physics knowledge online for free. Free basic Physics quizzes …

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Physics quiz 4

Physics Quiz 4 Basic Physics Quiz for entrance exams. Test your Physics knowledge online for free. Free basic Physics quizzes …

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Physics quiz 5

Physics Quiz 5 Basic Physics Quiz for entrance exams. Test your Physics knowledge online for free. Free basic Physics quizzes …

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Chemistry quiz 1

Chemistry Quiz 1 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 2

Chemistry Quiz 2 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 3

Chemistry Quiz 3 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 4

Chemistry Quiz 4 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 5

Chemistry Quiz 5 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 6

Chemistry Quiz 6 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 7

Chemistry Quiz 7 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 8

Chemistry Quiz 8 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 9

Chemistry Quiz 9 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 10

Chemistry Quiz 10 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 11

Chemistry Quiz 11 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 12

Chemistry Quiz 12 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 13

Chemistry Quiz 13 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 14

Chemistry Quiz 14 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 15

Chemistry Quiz 15 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 16

Chemistry Quiz 16 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 17

Chemistry Quiz 17 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 18

Chemistry Quiz 18 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 19

Chemistry Quiz 19 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 20

Chemistry Quiz 20 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 21

Chemistry Quiz 21 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 22

Chemistry Quiz 22 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 23

Chemistry Quiz 23 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 24

Chemistry Quiz 24 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Chemistry quiz 25

Chemistry Quiz 25 Basic Chemistry Quiz for entrance exams. Test your Chemistry knowledge online for free. Free basic Chemistry quizzes …

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Biology Quiz 79

Question: Endoplasmic reticulum is bound by 1. Cellulose wall 2. Membranes 3. Sclerotised layer 4. Chitinised wall Answer: 2 Question: …

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Biology Quiz 80

Question: A “biological death” occurs/takes place when 1. there is no pulse and heartbeat 2. pupils show no reaction to …

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Biology Quiz 81

Question: The theory of survival of the fittest was given by 1. Darwin 2. Lamarck 3. Weismann 4. Herbert Spencer …

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Biology Quiz 78

Question: Protective foods in our diet are 1. Fats and vitamins 2. Carbohydrates and minerals 3. Vitamins and minerals 4. …

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Biology Quiz 77

Question: Geneco technology is- 1. A defence system for prevention from AIDS 2. A method for the development of species …

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Biology Quiz 76

Question: Which of the Following is a Fish? 1. Sea Cucumber 2. Sea Cow 3. Sea Horse 4. Sea Lion …

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Biology Quiz 75

Question: Snakes and lizards are animals that are 1. wram-blooded 2. cold-blooded 3. both 4. none of these Answer: 2 …

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Biology Quiz 74

Question: Life of a/an RBC in human blood is: 1. 30 days 2. 15 hours 3. 120 days 4. None …

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Biology Quiz 73

Question: Sexual selection theory was propounded by 1. Wallace 2. De Vries 3. Lamarck 4. Charles Darwin Answer: 4 Question: …

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Biology Quiz 72

Question: bacteria do not need sunlight to grow because 1. they lack chlorophyll and so they are incapable of making …

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Biology Quiz 71

Question: Enzymes are sensitive to 1. Heat 2. pH 3. Poisons 4. All three Answer: 4 Question: Among the following …

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Biology Quiz 70

Question: Plants that grow in saline water are called 1. halophytes 2. hydrophytes 3. mesophytes 4. xerophytes Answer: 1 Question: …

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Biology Quiz 69

Question: Normal adult human male has 1. 10 gm of haemoglobin/100 gm of blood 2. 14 gm of haemoglobin/100 gm …

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Biology Quiz 68

Question: Plants receive their nutrients mainly from 1. chlorophyll 2. atmosphere 3. light 4. soil Answer: 4 Question: Plants have_____ …

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Biology Quiz 67

Question: When both sexes are absent from a flower or are non-functional, the flower is said to 1. Incomplete 2. …

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Biology Quiz 66

Question: Life of a/an RBC in human blood is: 1. 30 days 2. 15 hours 3. 120 days 4. None …

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Biology Quiz 65

Question: What is tissue culture ? 1. preparation of fragments of cell of an organism for biochemical examination 2. storage …

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Biology Quiz 64

Question: Which of the following is an amphibian? 1. Whale 2. Turtle 3. Frog 4. Cow Answer: 3 Question: Which …

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Biology Quiz 63

Question: Which of these is absent in anaerobic bacteria 1. Cell wall 2. Cell membrane 3. Mesosomes 4. Ribosomes Answer: …

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Biology Quiz 62

Question: An antibiotic used for treating tuberculosis is 1. Terramycin 2. Penicillin 3. Streptomycin 4. Polymixin Answer: 3 Question: All …

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Biology Quiz 61

Question: Despite the application of scientific method, and equal efforts by thousands of eminent scientists, with the best available techniques …

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Biology Quiz 60

Question: Human stomach produces acid ‘X’ which helps in digestion of food. Acid ‘X’ is: 1. hydrochloric acid 2. acetic …

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Biology Quiz 59

Question: Hypertension is the term used for 1. decrease in heart rate 2. decrease in blood pressure 3. increase in …

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Biology Quiz 58

Question: The complete digestion of carbohydrates, proteins and fats occurs in 1. Stomach 2. Liver 3. Small Intestine 4. Large …

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Biology Quiz 57

Question: The most accepted theory of the origin of earth is the fiery origin which was propounded by 1. Laplace …

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Biology Quiz 56

Question: Endoscopy, a technique used to explore the stomach or other inner parts of the body, is based on the …

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Biology Quiz 55

Question: Which of the following parts of the poppy plant is used for the extraction of opium ? 1. Capsules …

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Biology Quiz 54

Question: Bacteria do not need sunlight to grow because 1. they lack chlorophyll and so they are incapable of making …

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Biology Quiz 53

Question: Acupunture is a medical system of treatment in which 1. herbs are used to relieve pain 2. needles are …

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Biology Quiz 52

Question: The hormone which is not directly associated with reproduction is – 1. Testosterone 2. Oestrogen 3. Progesterone 4. Parathormone …

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Biology Quiz 51

Question: Which one of the following is an endemic plant? 1. Quercus Incana 2. Eleusine Coracana 3. Kydia Calycina 4. …

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Biology Quiz 50

Question: From the bark of which plant is quinine extracted? 1. Neem 2. Cedar 3. Eucalyptus 4. Cinchona Answer: 4 …

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Biology Quiz 49

Question: When we eat something we like, our mouth waters. This is actually not water fluid secreted form 1. salivary …

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Biology Quiz 48

Question: Aldo sterone regulates: 1. Urine concentration 2. Sodium absorption 3. Blood glucose 4. Serum calcium Answer: 2 Question: The …

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Biology Quiz 47

Question: Diseases of which of the following pairs are caused by virus? 1. Polio and Bird Flu 2. Malaria and …

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Biology Quiz 46

Question: Abnormal level of cholesterol is associated with – 1. Hardening of arteries 2. Hardening of veins 3. Kidney stones …

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Biology Quiz 45

Question: Liver oil of fish is rich in 1. Vitamin E 2. Vitamin C 3. Vitamin D 4. Vitamin A …

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Biology Quiz 44

Question: A large number of identical plants can be obtained in a short span of time through – 1. Tissue …

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Biology Quiz 43

Question: Which one among the following statements is correct? 1. All enzymes are proteins 2. All proteins are enzymes 3. …

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Biology Quiz 42

Question: Excessive consumption of alcoholic drinks causes damage to 1. Liver 2. Lungs 3. Kidney 4. Heart Answer: 1 Question: …

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