Everyday Science — All MCQs

Correct Answer: B

prolactin is hormone is necessary for the production of milk in the mother’s breast. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Oxytocin is human hormone is called love hormone. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: C

Cockroach is insect can survive without a head for one or more weeks. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: B

Heliograph is instrument is used for viewing the sun. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Wattmeter is instrument is used to measure the power of electric circuit. The effect results from the movement of charge or the interaction of electric and magnetic fields.

Correct Answer: B

Hypsometer is instrument is used to measuring height above sea leve. Its geographic position or physical characteristics account for the description given.

Correct Answer: A

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune is correct order of solar system starting from Sun. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: A

Finance is known as the lifeblood of industry. Businesses need a continuous flow of funds to purchase inputs, pay workers, invest, and maintain operations.

Correct Answer: A

UY Scuti is the biggest star in the Universe. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: D

Uranus is the Coldest Planet. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: A

Tooth enamel is the hardest substance in the human body. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: D

Osmium is the heaviest metal. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Venus is the hottest planet in our Solar system. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: A

Nitrogen is the most abundant element in the atmosphere. Its geographic position or physical characteristics account for the description given.

Correct Answer: A

Which is the most electro-negative element among the following Fluorine. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Proxima Centurai is the nearest star to our sun. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Nitrous Oxide is the New & Most Important Culprit damaging the ozone Layer. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: B

Venus is the only planet that rotates clockwise. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: C

Neptune is the outermost planet in the solar system. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.

Correct Answer: A

Rain water is the purest form of water. This description follows from the defining characteristics and established facts associated with the subject.