General Science Notes PDF For Competitive Exams

General Science Notes PDF For Competitive Exams

General Science Notes PDF is an assortment of notes connected with different subjects in the area of science. These notes are normally intended to help understudies or people planning for tests reconsider and merge their insight into various logical ideas.

The points shrouding Overall Science Notes PDF can fluctuate, yet they frequently incorporate subjects like physical science, science, science, ecological science, and geology. The notes might be coordinated by a point or by subject, and they might incorporate charts, diagrams, and other visual guides to assist with outlining key ideas.

Some Broad Science Notes PDFs might be allowed to download from instructive sites, while others might require installment or membership to get to. The nature of the notes can likewise change, contingent upon the source and the creator.

By and large, General Science Notes PDF can be a significant asset for understudies and experts who need to work on how they might interpret logical ideas and plan for tests. They can give a compact and coordinated outline of significant subjects in different logical fields, assisting students with uniting their insight and working on their exhibition in tests and different evaluations.

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Science GK in Hindi FAQs

1. किस धातु को चाकू से आसानी से काटा जा सकता है-

उत्तर- (A)

2.विद्युत का सर्वोत्तम चालक है-


उत्तर- (A)

3.सोडा वाटर में नींबू का रस डालते हैं तो बुलबुले निकलने लगते हैं क्योंकि इसमें होता है-

(D)उपरोक्त सभी

उत्तर- (A)

4.कटे हुए सेब का रंग कुछ देर बाद भूरा हो जाता है क्योंकि वह वायु से क्रिया करके बना लेता है-

(A)आयरन ऑक्साइड
(B)पोटेशियम ऑक्साइड
(C)एल्यूमीनियम ऑक्साइड
(D)सोडियम ऑक्साइड

उत्तर- (A)

5.चूने में पानी मिलाने पर कौन सी गैस निकलती है?

(B)कार्बन डाइऑक्साइड

उत्तर- (B)

6.हरी मेहंदी में निम्न में से कौन सा पदार्थ पाया जाता है जिसके कारण वह लाल हो जाती है?


उत्तर- (A)

7.ऑक्सीकरण अभिक्रिया में क्या होता है-

(A)ऑक्सीजन का जुड़ना
(B)हाइड्रोजन का जुड़ना
(C)ऑक्सीजन का अलग होना
(D)इलेक्ट्रॉन ग्रहण करना

उत्तर- (A)

8.नीले लिटमस पत्र को किस रंग में परिवर्तित कर देता है-


उत्तर- (B)

9.क्षार लाल लिटमस को करता है-


उत्तर- (C)

10.कटे हुए सेब का भूरा होने के कारण है सेब में उपस्थित-


उत्तर- (D)

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General Science Notes


(1)Who of the following is known as ‘Father of Zoology’?
(a) Darwin
(b) Aristotle
(c) Heckle
(d) Edward Jenner
Ans- b
(2) Which of the following branch of biology is related with study of heredity and variations?
(a) Microbiology
(b) Immunology
(c) Genetics
(d) Entomology
Ans- c
(3) Which of the following is NOT a vestigial organ in human body?
(a) Thymus Gland
(b) Wisdom teeth
(c) Pharynx
(d) Thyroid gland
Ans- d
(4) Bile is produced by which of the following gland?
(a) Liver
(b) Kidney
(c) Gall bladder
(d) Spleen
Ans- a
(5) Which of the following brings back deoxygenated blood from different parts of human body to heart?
(a) Veins
(b) Arteries
(c) Nerves
(d) Lungs
Ans- a
(6) Which of the following is a warm blooded animal?
(a) Turtle
(b) Snake
(c) Ape
(d) Lizard
Ans- c
(7) Where is bile stored?
(a) Liver
(b) Kidney
(c) Gall bladder
(d) Spleen
Ans- c
(8) Which of the following is not a connective tissue?
(a) Adipose Tissue
(b) Compact Bone
(c) Cardiac Muscle
(d) Areolar Tissue
Ans- c
(9) Normally how many times the human heart beats in a minute?
(a) 82
(b) 75
(c) 72
(d) 85
Ans- c
(10) Muscle fatigue occurs due to accumulation of______________.
(a) ATP
(b) ADP
(c) Lactic Acid
(d) Carbonic Acid
Ans- c
(11) Which of the following drug is used to get pain relief in muscles?
(a) Analgesics
(b) Antibiotic
(c) Antiseptics
(d) Antidotes
Ans- a
(12) Which of the following protein is found in hair?
(a) Histone
(b) Keratin
(c) Elastin
(d) Actin
Ans- b
(13) Which among the following is an example of dicot seed?
(a) Rice
(b) Wheat
(c) Pulses
(d) Maize
Ans- c
(14) Which liquid is contained inside the nucleus of a cell?
(a) Cytoplasm
(b) Protoplasm
(c) Nucleoplasm
(d) Nucleosome
Ans- c
(15) The chicory powder which is mixed with coffee powder is obtained from which of the following part of plant?
(a) Stem
(b) Fruit
(c) Flower
(d) Root
Ans- d
(16) Which of the following is an example of Ball and Socket joint in humans?
(a) Wrist Joint
(b) Hip Joint
(c) Finger Joint
(d) Neck Joint
Ans- b
(17) For which of the following a BT seed has also been developed?
(a) Wheat
(b) Maize
(c) Cotton
(d) Pulses
Ans- c
(18) Which of the following contains highest amount of Vitamin C?
(a) Capsicum
(b) Tomato
(c) Grape
(d) Lemon
Ans- d
(19) Dolly was an example of cloned____________.
(a) Dog
(b) Cow
(c) Sheep
(d) Hen
Ans- c
(20) Which of the following is a cold blooded animal?
(a) Ape
(b) Mouse
(c) Snake
(d) Wolf
Ans- c
(21) Which of the following glands secret growth hormone?
(a) Adrenal
(b) Pituitary Gland
(c) Gonads
(d) Pancreas
Ans- b
(22)Who among the following is known as ‘Father of Biology’?
(a) Darwin
(b) Aristotle
(c) Heckle
(d) Edward Jenner
(23)Which of the following is necessary for Blood clotting in humans?
(a) Vitamin A
(b) Vitamin K
(c) Vitamin C
(d) Vitamin E
Ans- b
(24) Which of the following human gland produces Insulin?
(a) Spleen
(b) Liver
(c) Pancreas
(d) Pituitary Gland
(25) What is the normal blood pressure in human beings?
(a) 120/90
(b) 120/80
(c) 140/90
(d) 140/100
Ans- b
(26) Who among the following is known as ‘Father of Genetics’?
(a) Darwin
(b) Mendel
(c) Lamarck
(d) De Vries
Ans- b
(27) Early blight is a common disease seen in which of the following?
(a) Potato
(b) Ginger
(c) Cabbage
(d) Cauliflower
Ans- a

PDF Of General Science Gk QuestionsPHYSICS

(28) Mass of an object is a____________.
(a) Physical Quantity
(b) Fundamental Quantity
(c) Scalar Quantity
(d) All options are correct
Ans- d
(29) When a bus starts suddenly, then passengers in the bus tend to fall backwards.This event is an example of______________.
(a) Inertia of rest
(b) Inertia of motion
(c) Inertia of direction
(d) None of these
Ans- a
(30) What is the approximate height of any geostationary satellite from earth’s surface (in km)?
(a) 36000
(b) 45000
(c) 48000
(d) 30000
Ans- a
(31) Which of the following waves has the highest frequency?
(a) radio
(b) Infrared
(c) Microwaves
(d) Gamma-rays
Ans- d
(32) Why the clear nights are cooler than the cloudy nights?
(a) Conductance
(b) Condensation
(c) Radiation
(d) Insulation
Ans- c
(33) The subatomic particle that does not have any electric charge is a/an___________.
(a) Electron
(b) Proton
(c) Neutron
(d) All options are correct
Ans- c
(34) Energy in the foods can be measured in which units?
(a) Kelvin
(b) Joule
(c) Calorie
(d) Celsius
Ans- c
(35) Ability to distinguish two closely placed objects is______________.
(a) Resolving power
(b) Video power
(c) Distinguish power
(d) Magnifying power
Ans- a
(36) _________are used for communication in artificial satellites. (a) Infrared waves (b) Radio waves (c) Ultraviolet (UV) rays (d) Amplitude Modulation (A.M.) waves Ans- b (37) Jet engine works on the principal of conservation of________.
(a) Heat
(b) Mass
(c) Linear momentum
(d) Angular momentum
Ans- c
(38) What will happen to the level of water in a vessel when a piece of ice floating in it melts?
(a) Decreases
(b) Increases
(c) Remains same
(d) First increases and then decreases
Ans- c
(39) Which of the following quantity is a measure of inertia?
(a) Velocity
(b) Acceleration
(c) Mass
(d) Weight
Ans- c
(40) The instrument used to study the laws of vibrating string is_______________.
(a) Hydrometer
(b) Sonometer
(c) Sphygmomanometer
(d) Electrometer
Ans- b
(41) When an object is kept between two parallel plane mirrors then what is the number of images formed?
(a) 1
(b) 2
(c) 4
(d) Infinite
Ans- d
(42) When the speed of a moving object is halved, its _.
(a) Kinetic energy becomes 1/4 of the original
(b) Kinetic energy becomes 4 times the original
(c) No change in the kinetic energy
(d) Acceleration is doubled
Ans- a
(43) The working principle of a mercury thermometer is_______.
(a) Change in density of matter on heating
(b) Expansion of matter on heating
(c) Thermal resistance of matter
(d) Change in mass of matter on heating
Ans- b
(44) A flying jet possesses_________________.
(a) Potential energy
(b) Kinetic energy
(c) Wind energy
(d) Both kinetic and potential energy
Ans- d
(45) Direction of heat flow depends on__________.
(a) Density
(b) Energy
(c) Mass
(d) Temperature
Ans- d
(46) Which of the following phenomena is involved in Kaleidoscope?
(a) Refraction
(b) Reflection
(c) Total Internal reflection
(d) Diffraction
Ans- b
(47) In a magnifying glass____________lens is used.
(a) Convex
(b) Concave
(c) Plano concave
(d) Plano convex
Ans- a
(48) Law of Inertia is also known as __.
(a) Newton’s fist law of motion
(b) Newton’s second law of motion
(c) Newton’s third law of motion
(d) None of these
Ans- a
(49) Surface water of a lake is about to freeze. What will be the temperature (in 0°c ) of water at the bottom of the lake?
(a) 0
(b) -1
(c) 1
(d) 4
Ans- d
(50) By the use of photovoltaic cell while converting solar energy which of the following is produced?
(a) Light energy
(b) Electric energy
(c) Chemical energy
(d) Heat energy
Ans- b
(51) Hydraulic brakes used in automatic vehicles is direct virtual application of which law?
(a) Pascal’s law
(b) Archemedes’ principle
(c) Newton’s law
(d) Boyle’s law
Ans- a


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