Wednesday, March 1, 2023

Everyday Science 301-350 MCQs

 Everyday Science


301. Which planet is much brighter in our solar system?

a. Earth

b. Venus

c. Mercury

d. Jupiter


302. The main function of kidney is __________?

a. to control blood pressure

b. to control body temperature

c. to remove waste from blood

d. to help in digestion of body


303. The energy stored in a dam is ________?

a. Kinetic energy

b. Electrical energy

c. Potential energy

d. None of these


304. Moon light reaches to earth in ________ seconds?

a. 0.3 seconds

b. 1.3 seconds

c. 2.3 seconds

d. 3.3 seconds


305. Who developed the telegraph code?

a. Andre Ampere

b. Samuel Morse

c. Joseph Henry

d. Jean Fourier


306. How many numbers of chromosomes in Pea plant?

a. 12

b. 14

c. 46

d. 48


307. Which of these plants open its mouth when insect sit on its lid?

a. Sunflower

b. Pitcher plant

c. Brassica plant

d. None of these


308. The speed of sound in air at sea level is approximately _________?

a. 300 meter per second

b. 320 meter per second

c. 340 meter per second

d. 370 meter per second


309. Who invented the safety pin?

a. Charles Goodbye

b. Steward Harshone

c. Walter Hunt

d. A. Rose


310. Entomology is the study of ________?

a. worms

b. insects

c. animals

d. all of these


311. How many bones in our body?

a. 102

b 306

c. 206

d. 204


312. Sound cannot travel through _________.

a. Solid

b. Liquid

c. Gases

d. Vacuum


313. The distance of mercury from sun is _________?

a. 56 million km

b. 57.9 million km

c. 58.9 million km

d. 59.1 million km


314. The study of GLANDS is called?

a. cardiology

b. endocrinology

c. entomology

d. none of these


315. The repetition of property after a certain interval called __________?

a. Electron affinity

b. Atomic radius

c. Periodicity of property

d. None of these


316. Short-sight defect could be corrected by a ________ lens?

a. concave lens

b. convex lens

c. converging lens

d. none of these


317. Deficiency of Vitamin B1 causes _________?

a. Rickets

b. Bone infection

c. Beriberi

d. Myopia


318. The inner most part of the earth is ________?

a. Crust

b. Mental

c. Core

d. None of these


319. The ozone layer is at height of ________ kilometers from the surface of the Earth?

a. 10 to 20

b. 20 to 30

c. 30 to 40

d. 40 to 50


320. A little inhalation is done through _________?

a. cigarettes

b. pipes and cigars

c. Both A and B offer little inhalation

d. Both offer extreme inhalation


321. The human brain uses _______ percent of the total oxygen and blood in the body?

a. 20

b. 12

c. 35

d. 48


322. Which of the following planets have the longest day?

a. Jupiter

b. Mercury

c. Earth

d. Venus


323. Which of the following planets is known as "morning star"?

a. Mercury

b. Venus

c. Mars

d. Saturn


324. At what angle above the horizon must the sun be to create a rainbow?

a. 90 degrees

b. 60 degrees

c. 40 degrees

d. 65 degrees


325. The study of cancer is called _________?

a. Zoology

b. Ecology

c. Genomic

d. Oncology


326. Sunlight is a great source of _________?

a. Vitamin C

b. Vitamin D

c. Vitamin E

d. Vitamin K


327. What is the breathing rate of human being body?

a. 15-11 minutes

b. 16-20 minutes

c. 25-26 minutes

d. 32-35 minutes


328. How many teeth are there in human mouth?

a. 30

b. 33

c. 32

d. 31


329. Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth's surface?

a. Ionosphere, Mesosphere, Stratosphere, Troposphere

b. Mesosphere, Stratosphere, Ionosphere, Troposphere

c. Troposphere, Stratosphere, Mesosphere, Ionosphere

d. Troposphere, Ionosphere, Stratosphere, Mesosphere


330. Which of the following cells are Colorless?

a. Red Blood Cells

b. White Blood Cells

c. Monocytes

d. Platelets


331. The longest bone in human body is _______?

a. Ulna

b. Tibia

c. Femur

d. Humerus


332. The shortest (smallest) bone in human body is ________?

a. Stapes

b. Tibia

c. Femur

d. Humerus


333. Sodium carbonate is produced by ______?

a. Haber process

b. Ammonia Solvay process

c. Deacons process

d. Lead chamber process


334. The scientific study of teeth is called _________?

a. Odontology

b. Ornithology

c. Orthoepy

d. Pedagogy


335. Blood which heart pumps to lungs is _________?

a. Deoxygenated blood

b. Lymph fluid

c. Atria blood

d. Oxygenated blood


336. Current stage of star 'Sun' is _________?

a. White dwarf

b. Red giant

c. Yellow dwarf

d. Orange dwarf


337. If the length of a heater coil is reduced by 10% of its original length, then power consumed by heater will?

a. Increase over 10%

b. Decrease by 10%

c. Decrease by 0.5%

d. Increase by 0.5%


338. Sunlight is composed of ________?

a. Three colours

b. Six colours

c. Seven colours

d. Eight colours


339. Which is least Conductor of Electricity among the following?

a. Wood

b. Copper

c. Iron

d. Water


340. What does TCM stand for in medical terms?

a. Techno Circuit Module

b. Traditional Chinese medicine

c. Tetra Carbon Mono oxide

d. Tele Communication Management


341. Which Gas is used in the preparation of soft drinks?

a. Oxygen

b. Carbon dioxide

c. Nitrogen

d. Halogen


342. ________ is used for measuring velocity?

a. Speedometer

b. Anemometer

c. Odometer

d. Hygrometer


343. In the manufacture of banaspati ghee the gas used is ________?

a. Helium

b. Hydrogen

c. Oxygen

d. Nitrogen


344. The chemical name of laughing gas is ________?

a. Nitric oxide

b. Nitrogen dioxide

c. Nitrogen pentoxide

d. Nitrous oxide


345. Wood is the main raw material for the manufacture of _________?

a. Paint

b. Gun powder

c. Paper

d. Ink


346. The pancreas secretes __________?

a. Insulin

b. Vitamin A

c. Bile Juice

d. None of these


347. The common refrigerant used in domestic refrigerator is _________?

a. Neon

b. Spirit

c. Freon/Ammonia

d. Methane


348. A glass chimney stops an oil lamp from smoking because:

a. It increases the supply of oxygen to the flame by convection

b. The heat produced ensures complete

c. Both of these

d. Neither of these


349. Most drugs are excreted through _________?

a. Kidney

b. Skin

c. Gallbladder

d. Lungs


350. Insulin drug was discovered by ________?

a. Charles Herbert Best

b. Prof John James Rickard Macleod

c. Sir Frederick Grant Banting

d. Leonard Thompson

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