Miscellaneous MCQ on science Test series no 1

Test series on Science

Miscellaneous MCQ on science for competitive exams 

Test Series no 1

 

1- An emulsion is a colloid of a

(A) liquid in a liquid

(B) gas in a liquid

(C) liquid in a gas

(D) gas in a solid

 

2- Percentage of carbon in steel ranges from

(A) 0.1 to 1.5

(B) 1.5 to 3.0

(C) 3.0 to 4.0

(D) 4.0 to 6.0

 

3- Which of the following is not present in German silver?

(A) Copper

(B) Silver

(C) Nickel

(D) Zinc

 

4- Which is the anti coagulant substance in blood?

(A) Thrombin

(B) Fibrinogen

(C) Heparin

(D) Globin

 

5- The major harmful gas emitted by automobile vehicles which causes air pollution is ………………

(A) Carbon dioxide

(B) Ozone gas

(C) Methane

(D) Carbon monoxide

 

6-Jaundice is a symptom of disease of

(A) Kidney

(B) Liver

(C) Pancreas

(D) Thyroid

 

7- The vaccination against small pox involves the introduction of

(A) killed germs

(B) weakened germs

(C) live antibodies

(D) activated germs

 

8- Deficiency of vitamin B6 in man causes

(A) Beriberi

(B) Scurvy

(C) Anaemia

(D) Rickets

 

9- First successful heart transplantation was done by

(A) P. K Sen

(B) D. S Patel

(C) D. Shetty

(D) C. N. Barnard

 

10- Yellow fever is transmitted by

(A) Aedes

(B) Anopheles

(C)House fly

(D) Culex

 

11- Major Green House gas is

(A) Freon

(B) Carbon monoxide

(C) Chloro flurocarbon

(D) Carbon dioxide

 

12- Washing of peeled vegetables removes the vitamin

(A) E

(B) D

(C) A

(D) C

 

13- Pasteurization is the process in which milk is heated to 

(A) 63o C for 30 minutes

(B) 60o C for 20 minutes

(C) 72o C for 10 minutes

(D) none of the above

 

14- Match the list 1 with list 2

Discoverer                           Discoveries

a. Jenner                             1. blood grouping

b. Watson                            2. penicillin

c. Landsteiner                     3. vaccination

d. Flemming                        4. double helix

(A) a-1, b-2, c-3, d-4

(B) a-3, b-4, c-1, d-2

(C) a-4, b-3, c-2, d-1

(D) a-2, b-1, c-3, d-4

 

15- Which of the following is most elastic?

(A) Steel

(B) Wet clay

(C) Rubber

(D) None of the above

 

16- A man with colour blindness will see red as

(A) Blue

(B) Yellow

(C) Green

(D) Violet

 

17- When a person walking in bright sunlight enters a dark room he is not able to see clearly for a little while because

(A) The retina retains the bright images for sometime and becomes momentarily insensitive.

(B) The eye muscles cannot immediately adjust the focal length of the aye lenses.

(C) The iris is unable to contract the pupils immediately.

(D) The iris is unable to dilate the pupil immediately.

 

18- The swing of a spinning cricket ball in the air can be explained on the basis of

(A) Buoyancy of air

(B) Turbulence caused by wind

(C) Bernoulli’s theorem

(D) Sudden change in wind direction

 

19- The Freezer in a refrigerator is fitted near the top

(A) to keep it away from hot compressor which is nearer to the bottom

(B) because of convenience

(C) it facilitates convection currents

(D) none of the above

 

20- The chemical name of common salt is

(A) Calcium Chloride

(B) Ammonium chloride

(C) Sodium nitrate

(D) Sodium chloride

 

21- Denatured spirit is ethanol mixed with

(A) Pyridine

(B) Petrol

(C) Kerosene

(D) Water

 

22- The metal which is constituent of vitamin B12 is

(A) Magnesium

(B) Cobalt

(C) Zinc

(D) Iron

 

23- The most abundant inert gas in the atmosphere is

(A) Neon

(B) Helium

(C) Argon

(D) Zinc

 

24- Which metal is extracted from Sea water?

(A) Aluminium

(B) Beryllium

(C)  Potassium

(D) Magnesium

 

25- Percentage of lead in lead pencils is

(A) 2

(B) 10

(C) 40

(D) 0

 

26-The scientist associated with the success of Green Revolution is

(A) Norman Borlaug

(B) J. C. Bose

(C) V. R. Rao

(D) S. R. Bhattnagar

 

27- Electron was discovered by

(A) Rutherford

(B) J. J. Thomson

(C) Bohr

(D) Ramsay

 

28- The first heart transplantation was performed in

(A) Canada

(B) South Africa

(C) U.S.A

(D) U. K

 

29- Which of the following gases is produced during lightning?

(A) Nitrogen

(B) Nitric Oxide

(C) Nitrogen oxide

(D) Nitrous oxide

 

30- Which of the following diseases usually spread through milk?

(A) Typhoid

(B) Plague

(C) Diphtheria

(D) Malaria

 

 

31- The ratio of pure gold in 18 carat gold is ……..

(A) 60%

(B) 80%

(C) 90%

(D) 75%

 

32- The human cell contains

(A) 23 chromosomes

(B) 44 chromosomes

(C) 46 chromosomes

(D) none of the above

 

33-In human body, which structure is the appendix attached to

(A) The small intestine

(B) The large intestine

(C) The gall bladder

(D) The stomach

 

34- Which one of the following is called Philosopher’s wool?

(A) Zinc Oxide

(B) Zinc Nitrate

(C) Zinc Chloride

(D) None of the above

 

35- Another name for RDX is …………………….

(A) Dextrin

(B) Cyanohydrins

(C) Cyclonite

(D) Cyclohexane

 

36- Which f the following is non-metal is not a poor conductor of electricity?

(A) Selenium

(B) Sulphur

(C) Bromine

(D) Phosphorus

 

37- Which one of the following type of glass can cut off ultraviolet rays?

(A) Crookes glass

(B) Pyrex glass

(C) Jena glass

(D) Soda glass

 

38- Robert Webster is known for his work associated with which one of the following?

(A) Cardiology

(B) Influenza virus

(C) HIV/AIDS

(D) Alzheimer

 

39- Which one of the following types is used by computed tomography employed for visualization of the internal structure of human body?

(A) Magnetic resonance

(B) Sound waves

(C) X-rays

(D) All of the above

 

40- In our body which one of the following hormones regulates blood calcium and phosphate?

(A) Growth hormone

(B) Thyroxin

(C) Glucagon

(D) Parathyroid hormone

 

41- How do most insects respire?

(A) Through skin

(B) By Tracheal system

(C) Through gills

(D) None of the above

 

42- In human beings , in which one of the following parts does the sperm fertilize the ovum?

(A) Cervix

(B) Fallopian tube

(C) Lower part of uterus

(D) Upper part of uterus

 

43- Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?

(A) Cerebrum

(B) Cerebellum

(C) Medulla oblongata

(D) Pons

 

44- Production of which one of the following is a function of liver?

(A) Urea

(B) Lipase

(C) Mucus

(D) Hydrochloric acids

 

45- Which one of the following is a digestive enzyme in the human system?

(A) Gastrin

(B) Trypsin

(C) Ptyalin

(D) Pepsin

 

46- Which one of the following types of light are strongly absorbed by plants?

(A) Violent and orange

(B) Blue and red

(C) Indigo and yellow

(D) Yellow and violet

 

47- ‘HAEMOPHILLIA’ is the disease of

(A) Liver

(B) Blood

(C) Brain

(D) Bones

 

48- Which one of the following is present in Tobacco?

(A) Cocaine

(B) Marijuana

(C) Heroin

(D) Nicotine

 

49- Yellow lamps used as street light. Which one of the following is use in these lamps?

(A) Neon

(B) Hydrogen

(C) Sodium

(D) Nitrogen

 

50- The deficiency of which of the following vitamins considered responsible for night blindness?

(A) A

(B) B

(C) K

(D) E

 

51- Which one of the following diseases is caused by the deficiency of Iron in human body?

(A) Anaemia

(B) Scurvy

(C) Dermatitis

(D) Beriberi

 

52- Wool is a …………fibre.

(A) animal

(B) Polyester

(C) Cotton

(D) Vegetables

 

53- The minimum temperature at which a combustible substance catches fire is called ……………..

(A) Fireless temperature

(B) Ignition temperature

(C) Optimum temperature

(D) Static temperature

 

54- Centre for DNA Fingerprinting is located at

(A) Pune

(B) Chennai

(C) Hyderabad

(D) Bangalore

 

55- Cryogenic engines are used in

(A) Doing research connected with superconductivity

(B) Refrigerators

(C) Atomic reactor

(D) Rockets

 

56- Threat of global warming is increasing due to increasing concentration of

(A) Nitrogen

(B) Carbon dioxide

(C) Sulphur dioxide

(D) Ozone

 

57- Nuclear reactors used to produce electricity are based on

(A) Nuclear fusion

(B) Nuclear fission

(C)  Cold fusion

(D) Superconductivity

 

58- Workers of paint industries are exposed to which one of the following hazards?

(A)  Cadmium pollution

(B) Nickel pollution

(C) Lead pollution

(D) None of the above

 

59- Which one of the following is responsible for blue baby syndrome?

(A) Arsenic

(B) Lead

(C) Fluoride

(D) Nitrate

 

60- Vaccination is available against which of the following disease except

(A) Malaria

(B) Hepatitis B

(C) Typhoid fever

(D) Yellow fever

 

61- Athlete with higher proportion of red fibers in their muscles are better equipped for which one of the following?

(A) Shot put

(B) Short activities

(C) Sprint

(D) Swimming

 

62- Match the list I with list II

List I                                 List II

a. Vitamin A                   1. Essential for formation of collagen

b. Vitamin C                   2. Assists in absorption and metabolism of Calcium

c. Vitamin D                   3. Essential for healthy skin and normal vision

d. Vitamin D                  4. Essential for Re blood cell formation

(A) a-1, b-2, c-3, d-4,

(B) a-2, b-3, c-4, d-1,

(C) a-4, b-3, c-2, d-1,

(D) a-3, b-1, c-2, d-4,      

 

63-Which one of the following types of cells has the ability to develop into any type of cell?

(A) Stem cell

(B) Endodermal cell

(C) Ectodermal cell

(D) Muscle cell

 

64- Which one of the following is an abnormal constituent of urine?

(A) Urea

(B) Ketone bodies

(C) Uric acid

(D) Creatinine

 

65- Which of the following cell produces antibodies?

(A) Eosinophil

(B) Monocyte

(C) Lymphocytes

(D) None of the above

 

66- The vitamin that helps in clotting of blood is

(A) E

(B) A

(C) K

(D) C

 

67- At a very high altitude, the Red Blood Corpuscles in the body will

(A) Increase in number

(B) Decrease in size

(C) Increase in size

(D) None of the above

 

68- A test tube baby means

(A) A baby grown in a test tube.

(B) Fertilization in vitro and then transplantation in the uterus.

(C) Embryo fertilized in uterus and developed in the test tube.

(D) Embryo fertilized and developed in uterus.

 

69- The speed of the light with the rise in the temperature of the medium

(A) Increases

(B) Decreases

(C) Remains unaltered

(D) Drops suddenly

 

70- Cloth keeps us warm in winter because they …………………….

(A) Prevent air from contacting the body

(B) Do not radiate heat

(C) Supply heat

(D) Prevent the heat of the body from escaping

 

71- In refrigerator, what produces the cooling ……………….

(A) The evaporation of a volatile liquid

(B) The ice which deposits on the freezer

(C) The sudden expansion of a compressed gas

(D) None of the above

 

72- Why we are able to hear short wave broadcasts well than long wave broadcast?

(A) Short waves are more energetic than long waves.

(B) By convention, short wave is meant for long distances, whereas long waves are reserved for short distances.

(C) Short waves broadcasts are made by nearby radio stations.

(D) None of the above

 

73- Quartz is made up of

(A) Calcium silicate

(B) Calcium sulphate

(C) Silicon dioxide (SiO2)

(D) None of the above

 

74- Albert Einstein was a

(A) Biologist

(B) Physiologist

(C) Physician

(D) Physicist

 

75- Which of the following parts of plant is used to produce opium?

(A) Flower

(B) Leaf

(C) Root

(D) Stem

 

76- From which of the following sources does an athlete get instant energy?

(A) Carbohydrates 

(B) Fat

(C) Protein

(D) Vitamin

 

77- If there is no atmosphere what would be the colour of the Earth?

(A) Red

(B) Black

(C) Blue

(D) White

 

78- DNA is related to ……………

(A) RBC

(B) WBC

(C) RNA

(D) None of the above

 

79- The spherical shape of water drops can be attributed to

(A) Viscosity

(B) Buoyancy

(C) Stoke’s Law

(D) Surface tension

 

80- Cardiovascular disorders are caused by …………..

(A) Cholesterol

(B) Fat

(C) Carbohydrates

(D) Salt

 

81- ELISA is a test of which disease?

(A) Tuberculosis

(B) Cancer

(C) Polio virus

(D) AIDS

 

82- What makes the blood look red?

(A) WBC

(B) Plasma

(C) Haemoglobin

(D) RBC

 

83- Which of the following metal is used for the manufacturing of heating elements provided in electric iron?

(A) Chromium

(B) Nickel

(C) Silicon

(D) Tungsten

 

84- An electron microscope gives higher magnification than an optical microscope because

(A) The wavelength of electron is smaller as compared to the wavelength of visible light

(B) It uses more powerful lenses

(C) The velocity of electron is smaller than visible light

(D) None of the above

 

85-The hydraulic brakes used in automobiles is a direct application of

(A) Archimedes law

(B) Pascal’s law

(C) Torricelli law

(D) All of the above

 

86- Who discovered the Cholera bacillus?

(A) Robert Koch

(B) Louis Pasteur

(C) Joseph Lister

(D) None of the above

 

87- The metallic constituents of hard water are

(A) Magnesium, Calcium and Tin

(B) Iron, Tin and Copper

(C) Copper, Magnesium and Tin

(D) All of the above

 

88- Which of the following animals has the longest life span?

(A) Elephant

(B) Tortoise

(C) Dog

(D) Cat

 

89- Which animal produce biggest baby?

(A) Elephant

(B) Lion

(C) Blue Whale

(D) None of the above

 

90- Heart attack occurs due

(A) Stopping of heart beat

(B) Fungal infection in heart

(C) Bacteria attack on heart

(D) Insufficient supply of blood to the heart itself

 

91- The PH value of human blood is between

(A) 6-7

(B) 7.5-8

(C) 5

(D) 8-9

 

92- A person has blue eyes, black eyes or brown eyes depending on the particular pigment present in

(A) Pupil

(B) Iris

(C) Cornea

(D) None of the above

 

93- The deficiency of iron in man may results in

(A) Goitre

(B) Night blindness

(C) Anaemia

(D) Vomiting

 

94- Non-stick kitchenware are coated with

(A) Graphite

(B) Silicon

(C) Teflon

(D) Steel

 

95- Magnetism in materials is due to

(A) Circular motion of electrons

(B) Electrons at rest

(C) All neutrons at rest

(D) None of the above

 

96- Short sight in human eye can be corrected by using proper

(A) Convex lens

(B) Concave lens

(C) Bifocal lens

(D) All of the above

 

97- What is the reason for twinkling of stars?

(A) Dispersion of light

(B) Atmosphere refraction

(C) Atmospheric reflection

(D) All of the above

 

98- Respiration is

(A) Reduction

(B) Photosynthesis

(C) Hydrolysis

(D) Oxidation

 

99- Impure camphor is purified by

(A) Oxidation

(B) Steam distillation

(C) Sublimation

(D) None of the above

 

100- During photosynthesis, green plants absorbs 

(A) Carbon dioxide

(B) Nitrogen

(C) Oxygen

(D) All of the above

 

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