everyday science MCQs – Page 22

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
421. Weather describe the condition of ______ at any one time.
comments icon0
A. The atmosphere

B. The land surface

C. The earth

D. The ionosphere

422. Sound cannot travel through __________
comments icon0
A. Vaccum

B. Liquid

C. Solid

D. Gases

423. The main function of kidney is____________?
comments icon0
A. to remove waste from blood

B. to control body temperature

C. to help in digestion of bady

D. to control blood pressure

424. The SI standard of time is based on_____________?
comments icon0

A. a precision pendulum clock

B. none of these

C. the frequency of light emitted by Kr86

D. the daily rotation of the earth

E. the yearly revolution of the earth about the sun

425. The energy stored in a dam is___________?
comments icon0

A. None of these

B. Potential energy

C. Kinetic energy

D. Electrical energy

426. Which of the statements to about the Troposphere is not true?
comments icon0

A. It contains 85-90% of the atmospheres mass

B. It is the zone which exhibits changes in condition of weather

C. It contains nearly all the water and oxygen of the atmosphere

D. It is about 350 km thick
427. According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?
comments icon0

A. 15 hours

B. 10 hours

C. 1 hours

D. 5 hours

428. The distance of mercury from sun is__________?
comments icon0

A. 58.9 million km

B. 57.9 million km

C. 56 million km

D. 59.1 million

429. The autonomic nervous system innervates all of these except?
comments icon0

A. Cardiac muscles

B. none

C. Skeletal muscles

D. Smooth muscles

430. PSR J0108-1431 is the closest known ______________ to Earth?
comments icon0

A. Quasar

B. Pulsar

C. Red giant

D. Black hole

431. Blood which heart pumps to lungs is__________?
comments icon0

A. oxygenated blood

B. deoxygenated blood

C. lymph fluid

D. atria blood

432. In which part of the eye lies the pigment that decides the colour of the eyes of a person___?
comments icon0

A. Pupal

B. Cornea

C. Retina

D. Iris
433. The average speed of a moving object during a given interval of time is always:
comments icon0

A. its acceleration multiplied by the time interval

B. the magnitude of its average velocity over the interval

C. one-half its speed at the end of the interval

D. one-half its acceleration multiplied by the time interval

E. the distance covered during the time interval divided by the time interval
434. Water vapour turns into clouds in the atmosphere when:
comments icon0
A. Dew point is reached

B. Evaporation takes place

C. The temperature rise

D. It rains

435. Orange belongs to the family
comments icon0
A. Rutaceae

B. Composite

C. Malvaceae

D. Rotaceae

436. Diameter of Sun is_____________?
comments icon0

A. 12 Lakh kms

B. 13 Lakh kms

C. 14 Lakh kms

D. 15 Lakh kms

437. Second layer of Earths atmosphere is__________?
comments icon0
A. Stratosphere

B. Troposphere

C. Thermosphere

D. Mesosphere

438. what kind of soil is treated with gypsum to make it suitable for cropping______?
comments icon0
A. Alkaline

B. Waterlogged

C. Acidic

D. Soil with excessive clay content

439. A glass chimney stops an oil lamp from smoking because:
comments icon0

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

B. The heat produced ensures complete

C. Both to these

D. Neither of these

440. The atmosphere of moon consists of______________?
comments icon0

A. 80%Nitrogen, 20% Hydrogen

B. None

C. 60% Nitrogen, 40%inert gases

D. 90% Hydrogen, 10% Nitrogen