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Wednesday, 12 February 2020

General Science: Questions and Answers (Chapter: 19)

General Science: Questions and Answers 
(Chapter: 19)

586. The level of glucose in human blood is ......mg per 100ml of blood: 
Answer:  80-120 

587. Bone is used as fertilizer as it contains: 
Answer:  Phosphorus 

588. The constituent essential for the growth of children:
Answer:  Protein 

589. The study of organisms in relation to their environment: 
Answer:  Ecology 

590. What imparts colour to Iris: 
Answer:  Melanin 

591. The parotid gland is seen below: 
Answer: Ear 

592. The vitamin which is helpful for the clotting of blood:
Vitamin D 

593. Which vitamin is not present in milk and egg: 
Vitamin C

594. Pyridoxine is the chemical name of vitamin: 
Answer:  B6 

595. The otoscope is used to examine: 
Answer:  Ear 

596. Which gland controls the temperature of the human body:
Answer:  Hypothalamus

597. The first heart transplant in a human patient is done by: 
Answer:  Christian Bernard 

598. Calcitonin is produced by: 
Answer:  Thyroid 

599. The gland which determines the emotionality of a person and prepares him to meet emergencies is the:
Answer:  Adrenal 

600. The branch of medical science which deals with conception and pregnancy: 
Answer:  Gynaecology 

601. The organ in the human body that produces the largest amount of enzymes: 
Answer: Liver

602. What is the commercial unit of electric current?
Kilowatt-hour 

603. Which gas is used in ice plants? 
Ammonia 

604. Which planet has an equal duration of day & night as in Earth?
Mars 

605. Which satellite of solar system is known as 'black moon'? 
Phobos (Mars) 

606. What is known as 'black lead'? 
Graphite 

607. Which was the first element to be made artificially? 
Technetium 

608. Litharge is the ore of
Lead 

609. Which is the largest asteroid?
Ceres 

610. Which is the best suitable dress material to wear while cooking? 
Cotton 

611. Which instrument is used to measure humidity? 
Hygrometer 

612. Who invented the electric bulb?
Thomas Alva Edison 

613. What is the SI unit of electric charge? 
Coulomb 

614. The electric current is expressed by the unit 
Ampere 

615. Which instrument measures electric current in a circuit?
Ammeter 

616. What is the SI unit of electric potential difference? 
Volt 

617. The potential difference is measured by means of an instrument called
Voltmeter 

618. What is the SI unit of resistance?
Ohm 

619. In an electric circuit, a device called is often used to change the resistance in the circuit? 
Rheostat 

620. Which metal is used almost exclusively for filaments of electric bulbs?
Tungsten 

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