Lucent Gk General Science

(C) DNA polymorphism

(D) Lysosomes

(A) Antoine Lavoisier

(B) Newton’s first law

(D) Electron

(C) Watson and Crick

(B) Lactobacillus

(D) Graphite

(D) In the eye cavity

(C) Victor Hess

(A) Protein synthesis

(B) Presence of cell wall

(D) Is greater than atmospheric pressure

(D) Gun powder

(B) Water

(A) Einstein

(C) Both charged and uncharged

(D) Eurochrome

Q20. Radioactive substances emit-
(A) Alpha rays
(B) Beta rays
(C) Gamma rays
(D) All of the above

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Q21. Which of the following is a female hormone?
(A) Insulin
(B) Estrogen
(C) Androgen
(D) Oxygen

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Q22. The number of chambers in the human heart is-
(A) four
(B) two
(C) five
(D) three

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Q23. What is the chemical composition of ‘heavy water’ (Guru Jal)?
(A) H₂O₂
(B) H₂O
(C) HDO
(D) D₂O

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Q24. Which of the following does not contain carbon?
(A) Diamond
(B) Graphite
(C) Coal
(D) None of these

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Q25. As a person grows older, his blood pressure usually decreases.
(A) decreases
(B) keeps changing
(C) remains the same
(D) increases

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Q26. The nearest star to the Sun is-
(A) Beta Centauri
(B) Proxima Centauri
(C) Alpha Centauri
(D) Gamma Centauri

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Q27. From where is iodine obtained?
(A) Laminaria
(B) Gracilaria
(C) Odogonium
(D) Spirogyra

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Q28. When a rock is brought from the surface of the moon to the earth, then
(A) Both weight and mass will change
(B) Its mass will change
(C) Neither mass nor weight will change
(D) Its weight will change but not its mass

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Q29. Gold can be dissolved in-
(A) Hydrochloric acid
(B) Sulphuric acid
(C) Nitric acid
(D) A mixture of three parts hydrochloric acid and one part nitric acid

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Q30. By what name are those monatomic particles known which have properties opposite to those of normal subatomic particles?
(A) Photon
(B) Positron
(C) Neutrino
(D) Antiparticle

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Q31. Which of the following is also called the ‘power plant of the cell’?
(A) Mitochondria
(B) Golgi bodies
(C) Lysosome
(D) Ribosome

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Q32. Who is considered the ‘Father of Modern Genetics’?
(A) Charles Darville
(B) Alexander Fleming
(C) Otto Hahn
(D) Roger Medal

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Q33. Which of the following acids is found in grapes?
(A) Malic acid
(B) Acetic acid
(C) Tartaric acid
(D) Citric acid

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Q34. Which of the following is not an example of an electromagnetic wave?
(A) X-rays
(B) y-ray
(C) Ultrasonic wave
(D) Ultraviolet ray

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Q35. Who is the national aquatic animal of India?
(A) Alligator
(B) Crocodile
(C) Gangetic Dolphin
(D) Soft-shelled turtle

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Q36. If both parents have blood group AB, then the possible blood groups of their children would be-
(A) A, B and AB
(B) A and B
(C) A, B, AB and O
(D) A, B and O

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Q37. Which of the following is not soluble in water?
(A) Zinc sulphate
(B) Sodium
(C) Lead sulphate
(D) Potassium

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Q38. A ship sailing in a river comes into the sea when the ship –
(A) Will come down a little
(B) Level would be won first
(C) Will rise slightly
(D) Up or down depending upon the load placed on it.

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Q39. Which of the following is the controlling center of the cell?
(A) Plasma
(B) Lysosome
(C) Nucleus
(D) Chromosome

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Q40. Ice is floating on water in a beaker. When the ice melts completely, the level of water in the beaker will be
(A) Will remain the same
(B) Will decrease
(C) First it will increase and then it will decrease
(D) Will increase

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Q41. Which of the following has the greatest impact on the ‘greenhouse effect’?
(A) Ozone
(B) Carbon monoxide
(C) Water vapour
(D) Carbon dioxide

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Q42. What do we use for fire fighting?
(A) Hydrogen
(B) Carbon dioxide
(C) Carbon monoxide
(D) Marsh gas

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Q43. The polluting gas emitted from vehicles is mainly-
(A) Carbon dioxide
(B) Marsh gas
(C) Carbon monoxide
(D) Nitrogen oxide

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Q44. If the weight of a man on the earth is 600 N then what will be his weight on the moon?
(A) 60 N
(B) 6000 N
(C) 100 N
(D) 1000 N

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Q45. This one is
(A) Mixture of elements only
(B) Mixture of both elements and compounds
(C) Pure mixture
(D) Mixture of compounds only

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Q46. Energy is needed to sustain life. Energy is obtained by which one of the following processes?
(A) Photorespiration
(B) Metabolism
(C) Phagocytic action
(D) decomposition

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Q47. Which of the following contains ethanoic acid?
(A) Orange juice
(B) Tomato ketchup
(C) Lemon juice
(D) White vinegar

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Q48. The function of pacemaker is-
(A) Start the heartbeat
(B) Regulation of urine formation
(C) Regulation of digestion process
(D) Initiation of breathing

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Q49 Which of the following cells does not have a nucleus?
(A) Platelet
(B) Root hair cell
(C) Red blood cell
(D) Monocyte

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Q50. Vitamin A is also known as.
(A) Riboflavin
(B) Retinol
(C) Calciferol
(D) Thiamine

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Q51. Saliva helps in the digestion of what?
(A) Fat
(B) Vitamin
(C) Starch
(D) Protein

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Q52. Who discovered Positron?
(A) Anderson
(B) J. J. Thomson
(C) Rutherford
(D) Chadwick

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Q53. Which is the largest organ in humans?
(A) Skin
(B) Liver
(C) Badi Aut
(D) Small intestine

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Q54. When milk turns sour, it is produced.
(A) Linoleic acid
(B) Lactose
(C) Lactic acid
(D) Salicylic acid

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Q55.More than 80% of the cell contains the substance
(A) Fat
(B) Water
(C) Protein
(D) Mineral

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Q56. Litmus acid base indicator is obtained from-
(A) By virus
(B) From bacteria
(C) From lichen
(D) None of these

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Q57. A rubber balloon filled with hydrogen bursts when it goes up in the air because-
(A) Air pressure decreases
(B) Air pressure increases
(C) The weight of hydrogen increases
(D) The pressure of hydrogen decreases

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Q58. Which one of the following animals is a mammal?
(A) Platypus
(B) Great Indian Sarung
(C) Dhanesh
(D) Alligator

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Q59. The plum pudding model for an atom was given by whom?
(A) Ernest Rutherford
(B) Antoine Lavoisier
(C) Robert Boyle
(D) J.J. Thomson

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Q60. Which one of the following cellular organelles contains DNA?
(A) Formula, biomass art, nucleus
(B) Chloroplasts, nucleus, ribosomes
(C) Mitochondrite, nucleus, chloroplast
(D) Nucleolus, Golgi body, nucleus

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Q61. Who among the following discovered the proton?
(A) E. Rutherford
(B) J. Chadwick
(C) E. Goldstein
(D) J.J. Thomson

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Q62. Which of the following is an element?
(A) Alumina
(B) Silica
(C) Brass
(D) graphite

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Q63. Which of the following is used as a lubricant?
(A) Silica
(B) Iron oxide
(C) Graphite
(D) Diamond

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Q64. The Red Planet is known as-
(A) Mercury
(B) Venus
(C) Mars
(D) Saturn

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Q65. Which of the following is an oviparous mammal?
(A) Kangaroo
(B) Monotreme
(C) Bat
(D) Blue whale

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Q66. The speed of sound is maximum in-
(A) In air
(B) In vacuum
(C) In water
(D) In steel

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Q67. Due to what do sound waves produce echo?
(A) Refraction
(B) Reflection
(C) Diffraction
(D) None of these

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Q68. Which is the smallest bone in the human body?
(A) Trapezium
(B) Tibia
(C) Steppes
(D) Thigh bone

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Q69. Which of the following acids is present in ant bites?
(A) Malic acid
(B) Formic acid
(C) Nitric acid
(D) Perchloric acid

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Q70. Which of the following is the major component of vinegar?
(A) Citric acid
(B) Nitric acid
(C) Lactic acid
(D) Acetic acid

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Q71. Which one of the following cell organelles is semipermeable?
(A) Nucleus
(B) Plasma membrane
(C) Cell wall
(D) Cell membrane

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Q72. What is the bacterial decomposition of organic matter under anaerobic conditions called?
(A) Composting
(B) Fermentation
(C) Fertilization
(D) Contamination

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Q73. Food cooks faster in a pressure cooker because
(A) Convection currents are generated inside the cooker
(B) At higher pressure water boils at lower temperature
(C) At higher pressure water boils at higher temperature
(D) Water boils only at 100°C but at higher pressure the amount of heat is more

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Q74. The normal temperature of the human body according to the Kelvin scale is-
(A) 310
(B) 300
(C) 290
(D) 320

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Q75. Which is the main protein found in milk?
(A) Casein
(B) Globin
(C) Albumin
(D) Globulin

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Q76. What is the transmission of heat through molecular movement called?
(A) Scattering
(B) Conduction
(C) Convection
(D) Radiation

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Q77. The universe is expanding. Who first gave this proof?
(A) Newton
(B) Edwin Howell
(C) Galileo
(D) Copernicus

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Q78. Sphygmomanometer measures blood pressure in?
(A) Writer
(B) Veins
(C) Arteries
(D) Eyes

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Q79. The number of bones in an adult human body is
(A) 214
(B) 206
(C) 253
(D) 310

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Q80. What are atoms called which have the same number of protons but different numbers of neutrons?
(A) Isotronic
(B) Isohyazid
(C) Isotope
(D) Isodac

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Q81. What is it called when an atom of an element has more than one mass number?
(A) Isotope
(B) Isomer
(C) Isotote
(D) Isobar

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Q82. Which of the following is used in thermometers?
(A) Zinc
(B) Lead
(C) Mercury
(D) Tin

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Q83. Which of the following is not a carboxylic acid?
(A) Picric acid
(B) Formic acid
(C) Citric acid
(D) Tartaric acid

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Q84. The longest bone in the human body is-
(A) Tibia
(B) Ulna
(C) Boomers
(D) Femur

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Q85. One astronomical unit is the average distance between:
(A) Earth and Sun
(B) Earth and Moon
(C) Jupiter and Sun
(D) Pluto and the Sun

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Q86. The atomic number of an atom indicates the number of which of the following?
(A) Electron
(B) Neutron and potent
(C) Photon
(D) Neutron

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Q87. Yeast is a?
(A) Bacteria
(B) Bryophyta
(C) Algae
(D) Fungus

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Q88. What is alfa toxin made of?
(A) Virus
(B) Bacteria
(C) Fungi
(D) Algae

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Q89. Which of the following is commonly used for decolorization of pulp in the paper industry?
(A) Hydrogen peroxide
(B) Iodine and water
(C) mild sulphuric acid
(D) Glucose isomerase

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Q90. Energy is produced in nuclear reactors from-
(A) By controlled fusion
(B) By uncontrolled fusion
(C) Controlled fission
(D) Uncontrolled fission

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Q91. Which of the following is not a variety of coal?
(A) Bituminous
(B) Lignite
(C) Peat
(D) Dolomite

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Q92. What is fuse wire made of?
(A) Alloy of nickel and chromium
(B) Alloy of tin and copper
(C) Alloy of tin and aluminium
(D) Alloy of tin and lead

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Q93. Which of the following is used as a semiconductor in transistors?
(A) Possession
(B) Germanium
(C) Graphite
(D) Silver

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Q94. The ratio of hydrogen and oxygen in water by weight is
(A) 7:1
(B) 1:8
(C) 1:2
(D) 8:1

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Q95. Which part of the body is related to blood purification?
(A) Heart
(B) Spleen
(C) Gall bladder
(D) Kidney

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Q96. At what temperature will the density of water be maximum?
(A) 0°C
(B) 39°C
(C) 4°C
(D) 120°C

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Q97. Why does the boiling point of water decrease at higher altitudes?
(A) Due to high atmospheric pressure
(B) Due to high temperature
(C) Due to low atmospheric pressure
(D) Due to low temperature

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Q98. The fat-digesting enzyme lipase is secreted by which of the following?
(A) Kidney
(B) Liver
(C) Large intestine
(D) The pancreas

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Q99. Atoms having the same atomic number but different atomic masses are called-
(A) Isobar
(B) Isobar
(C) Isotope
(D) None of these

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Q100. What neutralises the acidic semi-digested food coming out of the stomach?
(A) Pancreatic juice
(B) Bile juice
(C) Queen secretion
(D) Colon secretion

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FAQs

Question: Ampere is the unit of what?

Answer: Of electric current

Question: What is called the suicidal bang of cells?

Answer: To lysosomes

Question: Candela is the unit of what?

Answer: Light intensity

Question: Who discovered the electron?

Answer by J.J. Yogaran

Question: What is not present in RNA?

Answer: Thiamine

Question: On whose principle does a rocket work?

Answer: On the principle of conservation of mass

Question: How do astronauts jump higher on the Moon’s surface than on the Earth’s surface?

Answer. The gravity on the surface of the moon is very less as compared to the surface of the earth

Question: How many types of quantum numbers are there?

answers: 4 types

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