Everyday Science — All MCQs
2717 questions available
Q861.Bore is caused by____?
Correct Answer: A
A tidal bore is caused by a rising tide surging up a narrowing river channel and meeting the river's outgoing current.
Q862.Botany is also called ____ ?
Correct Answer: A
Botany is also known as phytology, the scientific study of plants.
Q863.Brass gets discoloured in air because of the presence of which of the following gases in air ____ ?
Correct Answer: D
Brass discolors in air mainly due to the presence of hydrogen sulphide gas, which reacts with copper in the alloy to form a dark tarnish.
Q864.Bromine is a____?
Correct Answer: B
Bromine is a reddish-brown liquid at room temperature, the only nonmetal that is liquid under normal conditions.
Q865.Bronze is an alloy of ____?
Correct Answer: C
Bronze is an alloy primarily composed of copper and tin.
Q866.Bronze medal is made up of metals ?
Correct Answer: B
The classic bronze medal alloy consists mainly of copper and tin (bronze).
Q867.BRT stand for ?
Correct Answer: C
BRT stands for Bus Rapid Transit, a high-capacity public transport bus system.
Q868.Bt seed is associated with:____?
Correct Answer: C
Bt seed technology is closely associated with cotton (Bt cotton), engineered to resist certain pests.
Q869.BTU is a unit of____?
Correct Answer: C
BTU (British Thermal Unit) is a unit of heat energy.
Q870.By which hormone High Blood Sugar level can be controlled in stomach?
Correct Answer: B
Insulin is the hormone that controls and lowers high blood sugar levels in the body.
Q871.By which process copper is refined ____?
Correct Answer: A
Copper is refined through processes involving roasting of its ore followed by smelting and electrolytic purification.
Q872.By which process does the smell of cooking spread to all the rooms in a house?
Correct Answer: B
The smell of cooking spreads through a house via diffusion, as gas molecules move from high to low concentration areas.
Q873.Calcaneus bone in which part of human body?
Correct Answer: A
The calcaneus is the heel bone, located at the back of the foot.
Q874.Calcium level in the blood is regulated by the: ____?
Correct Answer: D
Calcium levels in the blood are regulated by hormones such as parathyroid hormone and calcitonin (often referenced together as 'A and B' in such MCQs).
Q875.Calcium sulphate is known as____?
Correct Answer: B
Calcium sulphate, in its hydrated form, is commonly known as gypsum.
Q876.Calculus was invented by____?
Correct Answer: C
Calculus is credited to Sir Isaac Newton (developed independently alongside Gottfried Leibniz).
Q877.Cancer can be treated by ?
Correct Answer: C
Cancer is commonly treated using chemotherapy and radiotherapy, among other methods like surgery.
Q878.Cancer can be treated by ____?
Correct Answer: C
Chemotherapy and radiotherapy are standard treatments used to fight cancer.
Q879.Cancer that does not form a tumor.
Correct Answer: B
Leukemia is a type of cancer of the blood/bone marrow that does not form a solid tumor, unlike most other cancers.
Q880.Candela is the basic unit of____?
Correct Answer: A
The candela is the SI base unit of luminous intensity.