Everyday Science 401-450 MCQs

 Everyday Science

401. What is meant by "Equinox"?

a. The longest day

b. The shortest day

c. The sun-month long day

d. Equal duration of day and night

402. The distance of longitude represents how many minutes difference in time?

a. 10 minutes

b. 4 minutes

c. 15 minutes

d. 1 minute

403. The season changes because of the ________?

a. Moon is revolving round the earth

b. Earth is revolving round its axis

c. Earth is revolving round the sun

d. Planet Mars is attracting the sun

404. The largest latitude circle on earth is _______?

a. Arctic circle

b. Tropic of cancer

c. Tropic of Capricorn

d. The Equator

405. The oldest barrage on the river Indus at Sukkur was built in ________?

a. 1932

b. 1940

c. 1930

d. 1928

406. Afternoon rains in the equatorial region are the result of influences ________?

a. Land Breeze

b. Monsoon

c. Frontal

d. Convectional

407. When a warm air is lifted off the surface in temperature depression it is called ________?

a. An occlusion

b. A cold front

c. An anticyclone

d. A warm front

408. Water vapour turns into clouds in the atmosphere when:

a. It rains

b. The temperature rise

c. Dew point is reached

d. Evaporation takes place

409. Weather describe the condition of _______ at any one time.

a. The earth

b. The land surface

c. The atmosphere

d. The ionosphere

410. The Stevenson screen contains all of these EXCEPT:

a. Wet bulb thermometer

b. Maximum thermometer

c. Ordinary thermometer

d. Anemometer

411. A wind which reverses seasonally is known as _______?

a. Trade

b. Cyclonic

c. Monsoon

d. Polar

412. A canyon is a large form of _______?

a. Dry valley

b. Gorge

c. Pediment

d. Badiand

413. Which of the statements to about the Troposphere is not true?

a. It contains 85-90% of the atmosphere's mass

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

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

d. It is about 350 km thick

414. The final phase of a star's evolution is determined by the star's:

a. Age

b. Gravitational pull

c. Density

d. Mass

415. Which of these is not a Metamorphic rock?

a. Quartzite

b. Slate

c. Genesis

d. Schist

e. Diorite

416. Bore is caused by ________?

a. Rising tide while meeting river currents

b. Friction from prevailing winds

c. Spring tide and strong winds

d. Unequal heating of oceans

417. The strength of wave action depends on all these EXCEPT:

a. Currents in the sea

b. Wind strength

c. Depth of costal water

d. Height of waves

418. The areas around the North and South poles within the Polar circles is called _________?

a. The Torrid Zone

b. The Frigid Zone

c. The Temperature Zone

d. The Hardiness Zone

419. In the Composition of the earth, Aluminum is ________?

a. 27.5%

b. 20.3%

c. 14.5%

d. 8.23%

420. "Rancidity produced in butter can be decreased by adding quinoline to the butter". This statements shows that _______?

a. Nothing is impossible

b. Quinoline is an inhibitor

c. Quinoline is a catalyst

d. Quinoline is an activator

421. Gulf streams are caused by ________?

a. Cyclones

b. Ocean Pressure

c. Temperature

d. Difference in water level

422. The production of rubber tree is better adopted to areas where the climate is ________.

a. Warm and humid

b. Warm and dry

c. Cool and moist

d. Cool and dry

423. There are three types of plate boundaries i.e. Divergent, Convergent and ________.

a. Normal

b. Transform

c. Complex

d. Plain

424. The speed of light with the rise in the temperature of the medium __________?

a. Decrease

b. Increase

c. Remain the same

d. First decrease then increase

425. AIDS virus is __________.

a. Single-standard RNA

b. Single-standard DNA

c. Double-standard RNA

d. Double-standard DNA

426. Which Vitamin gets destroyed on heating?

a. B

b. E

c. K

d. C

427. Cow milk is a rich source of ________?

a. Vitamin C

b. Vitamin B

c. Vitamin A

d. Vitamin K

428. Which of the following vitamins is synthesized in the body by the intestinal bacteria ________?

a. Vitamins B1

b. Vitamins B12

c. Vitamins E

d. Vitamins K

429. Mercury is also known as _________?

a. Shine Silver

b. Quick Silver

c. Slow Silver

d. Slippery Sliver

430. What kind of soil is treated with gypsum to make it suitable for cropping ________?

a. Alkaline

b. Acidic

c. Waterlogged

d. Soil with excessive clay content

431. Phobos is the natural satellite of which planet _________?

a. Mars

b. Venus

c. Saturn

d. Neptune

432. Galvanized Iron sheet have a coating of _______.

a. Tin

b. Silver

c. Zinc

d. Chromium

433. Spinach leaves are rich source of _________.

a. Amino acid

b. Iron

c. Vitamin E

d. Carotene

434. Which pollutant from motor car exhaust causes mental disease _________?

a. Carbon dioxide

b. Lead

c. Sulphur Dioxide

d. Mercury

435. The ratio of pure gold in 18 carat gold is ________?

a. 0.5

b. 0.9

c. 0.85

d. 0.75

436. What is the element required for solar energy conversion ________?

a. Ultra pure carbon

b. Silicon

c. Beryllium

d. Tantalum

437. An element that does not occur in nature but can be produced artificially is _______?

a. Plutonium

b. Uranium

c. Radium

d. Thorium

438. Muscle fatigue is caused by the accumulation of _______?

a. Uric acid

b. Lactic acid

c. Oxalacetic acid

d. Feruvite acid

439. The total energy of revolving electron in an atom ________.

a. will always be positive

b. can never be positive

c. can have any value above zero

d. cannot be negative

440. The Virus of AIDS affects the growth of _______?

a. Hemoglobin

b. RBCs in blood

c. T cells in blood

d. Grey Cells in blood

441. The vitamin which is generally excreted by humans in urine is _______?

a. Vitamin A

b. Vitamin B

c. Vitamin B12

d. Vitamin C

442. Which of the following metal occurs in free state ________?

a. Lead

b. Iron

c. Mercury

d. Copper

443. Magnalium is an alloy of ________?

a. Magnesium and Lead

b. Aluminum and Zinc

c. Aluminum and Magnesium

d. Aluminum and Mercury

444. By which process copper is refined ________?

a. Roasting

b. Oxidation

c. Zone Refining

d. Electrolysis

445. In which part of the eye lies the pigment that decides the colour of the eyes of a person _______?

a. Retina

b. Iris

c. Cornea

d. Pupal

446. Which among the following is responsible for producing color of human skin _______?

a. Insulin

b. Vitamin K

c. Melanin

d. DNA

447. Which one of the following can be synthesized by Liver_______?

a. Vitamin B6

b. Vitamin B12

c. Vitamin K

d. Vitamin E

448. What is/are the basic purpose(s) of dams?

a. Storage of water in a large reservoir

b. Generation of electricity

c. Control of floods

d. All of the above

449. The point that lies directly above the source of an earthquake is known as _________?

a. Earthquake Center

b. Epicenter

c. Gravitational Center

d. Geological Center

450. Which one is the world's largest mangrove forest(s)?

a. Changa Manga Forest

b. Amazon Forest

c. Sundarbans Forest

d. None of the above