Explore topic-wise MCQs in Joint Entrance Exam - Main (JEE Main).

This section includes 674 Mcqs, each offering curated multiple-choice questions to sharpen your Joint Entrance Exam - Main (JEE Main) knowledge and support exam preparation. Choose a topic below to get started.

351.

Q: The oxidation number of Cr in K2Cr2O7 is

A. 6
B. -5
C. 3
D. -4
Answer» B. -5
352.

Q: The outer membrane that covers the lungs

A. Dura mater
B. pleura
C. Pia mater
D. Myelin sheath
Answer» C. Pia mater
353.

Q: The original ASCII code used ___________ bits of each byte, reserving that last bit for error checking ?

A. 5
B. 6
C. 7
D. 8
Answer» D. 8
354.

Q: The Mudumalai National Park is located in which state  ?

A. Chattisgarh
B. Haryana
C. Tamil Nadu
D. Karnataka
Answer» D. Karnataka
355.

Q: The most healthy edible oil for heart is

A. Almond Oil
B. Sesame Oil
C. Mustard Oil
D. Olive Oil
Answer» E.
356.

Q: The Most Abundant Rare Gas in the Atmosphere is

A. Xe
B. He
C. Ne
D. Ar
Answer» E.
357.

Q: The more you take, the more you leave behind. What is that?

A. Pictures
B. Hole
C. Clothes
D. Footsteps
Answer» E.
358.

Q: The Marine Corps philosophy of leadership is based upon developing individual Marine.

A. 1
B. FALSE Answer & Explanation Answer:
Answer» B. FALSE Answer & Explanation Answer:
359.

Q: The main result of aerobic respiration is the

A. production of lactic acid as an end product
B. production of ATP from the breakdown of glucose
C. conversion of radiant energy into chemical energy
D. storage of energy in a polysaccharide
Answer» C. conversion of radiant energy into chemical energy
360.

Q: The main goal for farmers in 1900 was to

A. Force the railroads to lower freight rates
B. Enable them to pay back their loans more easily
C. Hold on to political and economic power.
D. voters greater direct participation in government
Answer» D. voters greater direct participation in government
361.

Q: The longest ship canal in the world is the

A. Suez canal, Egypt
B. Kiel canal, Germany
C. Panama canal, Central America
D. St. Laurence Seaway (USA and Canada)
Answer» E.
362.

Q: The longest period of prenatal development is the

A. Germinal period
B. Fetal period
C. Embryonic period
D. None
Answer» C. Embryonic period
363.

Q: The Length of the Day is determined in

A. length of the hours
B. length of the year
C. astronomical units
D. solar terms
Answer» D. solar terms
364.

Q: The law of increasing opportunity costs states that

A. along a production possibilites curve, increases in the production of one good make the production of that good easier and easier
B. increases in wages cause increases in the costs of production
C. costs of production increases and then decreases
D. along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good
Answer» E.
365.

Q: The law of demand states that other things equal

A. as the price increases, the quantity demanded will decrease.
B. as the price increases, the quantity demanded will increase.
C. as the price decreases, the demand curve will shift to the right.
D. as the price increases, the demand will decrease.
Answer» B. as the price increases, the quantity demanded will increase.
366.

Q: The largest component of National Income in India is ____ ?

A. Service Sector
B. Industrial Sector
C. Agriculture Sector
D. Trade Sector
Answer» B. Industrial Sector
367.

Q: The Jigme Dorji National Park is located in which country  ?

A. Myanmar
B. Bhutan
C. India
D. Nepal
Answer» C. India
368.

Q: The inherited traits of an organism are controlled by

A. DNA
B. Enzymes
C. Nucleotides
D. RNA
Answer» B. Enzymes
369.

Q: The Indian Subcontinent was partitioned into

A. India and Tibet
B. Pakistan and Bangladesh
C. India and Bangladesh
D. India and Pakistan
Answer» E.
370.

Q: The 'IFSC Code' is an alphanumeric code comprising 11 characters that facilitates Electronic Fund Transfer in the country. The alphabet 'F' in the abbreviation 'IFSC' stands for ?

A. Fund
B. Fast
C. Financial
D. First
Answer» D. First
371.

Q: The hot holding temperature for potentially hazardous foods must be

A. not less than 60 deg
B. less than 60 deg
C. less than 5 deg
D. None of the above
Answer» B. less than 60 deg
372.

Q: The heat from the sun reaches earth through Convection.

A. 1
B. 0
Answer» C.
373.

Q: The Ghodazari Wildlife Sanctuary (GWS) will come up in which state?

A. Maharashtra
B. Karnataka
C. Tamil Nadu
D. Odisha
Answer» B. Karnataka
374.

Q: The Gas used for Artificial Ripening of Green Fruit is

A. Acetone
B. Di Carbonate
C. Ethylene
D. Ethyl Alcohol
Answer» D. Ethyl Alcohol
375.

Q: The gas predominantly responsible for global warming is

A. Carbon monoxide
B. Nitrous oxide
C. Nitrogen peroxide
D. Carbondioxide
Answer» E.
376.

Q: The gap between two communicating neurons is termed

A. Schwann cell
B. Effector
C. Synaptic cleft
D. Cell body
Answer» D. Cell body
377.

Q: The first Progressives felt called to action by

A. Unsafe food processing
B. Dangerous working conditions
C. Crowded tenements
D. All of the above
Answer» E.
378.

Q: The first passenger train in India ran between

A. Kalyan and Pune
B. Bombay and Thane
C. Howrah and Delhi
D. New Delhi and Madras
Answer» C. Howrah and Delhi
379.

Q: The first Law Officer of the Government of India is the

A. Union Law Minister
B. Secreatary, Ministry of Law
C. Attorney-General for India
D. Chief Justice of the Supreme Court
Answer» D. Chief Justice of the Supreme Court
380.

Q: The first effective vaccine against polio was prepared by ?

A. Robert Edwards
B. James Simpson
C. H Gibbon
D. Jonas E Salk
Answer» E.
381.

Q: The FDA protects the U.S public from

A. paying too much for medicine
B. medications that can form addictions
C. drugs smuggled across the border
D. harmful prescription and OTC medications
Answer» E.
382.

Q: The enzyme that converts glucose to ethyl alcohol is

A. Maltase
B. Zymase
C. Diastase
D. Invertase
Answer» C. Diastase
383.

Q: The depth of a complete binary tree is given by

A. Dn = log 2 (n+1)
B. Dn = log 1/2 (n+1)
C. Dn = log (n+1)
D. Dn = log 2 (n-1)
Answer» B. Dn = log 1/2 (n+1)
384.

Q: The correct order of events during meiosis is

A. prophase I, metaphase I, anaphase I, telophase I, cytokinesis, meiosis II.
B. anaphase I, telophase I, prophase I, cytokinesis, meiosis II.
C. cytokinesis, metaphase I, anaphase I, telophase I,
D. telophase I, prophase I, cytokinesis, meiosis II, anaphase
Answer» B. anaphase I, telophase I, prophase I, cytokinesis, meiosis II.
385.

Q: The construction of Warangal Fort was started by ______ ?

A. Beta - II
B. Rudra
C. Jayapa
D. Prola - II
Answer» C. Jayapa
386.

Q: The concept of carbon credit originated from

A. G-8 Summit, Hciligendamm
B. Earth Summit, Rio de Janeiro
C. Montreal Protocol
D. Kyoto Protocol
Answer» E.
387.

Q: The clipboard

A. is a Cache memory
B. is a feature that stores user information
C. is used to temporarily store, items that has been cut or copied
D. is a feature that saves file temporarily
Answer» D. is a feature that saves file temporarily
388.

Q: The capacity of a water heater is measured in

A. Gallons
B. Liters
C. Meters
D. Both A & B
Answer» E.
389.

Q: The Biggest cause of Foodborne Illness is

A. Poor Hygiene
B. Toothpick
C. Employee snacking
D. Virus
Answer» B. Toothpick
390.

Q: The Ankle is a third-class lever.

A. 1
B. 0
Answer» C.
391.

Q: The amount of water vapor in the air is

A. Hot air
B. Humidity
C. Dew
D. Foam
Answer» C. Dew
392.

Q: The agricultural revolution led to the need for organized

A. greenhouse gas reform
B. government
C. pest control
D. technological reform
Answer» C. pest control
393.

Q: The accounting process involves all of the following except

A. identifying economic transactions that are relevant to the business
B. analyzing and interpreting financial reports
C. communicating financial information to users by preparing financial reports
D. recording nonquantifiable economic events
Answer» C. communicating financial information to users by preparing financial reports
394.

Q: The absorption of ink by blotting paper involves

A. viscosity of ink
B. diffusion of ink through the blotting
C. capillary action phenomenon
D. siphon action
Answer» D. siphon action
395.

Q: The 2017 World Hydrography Day (WHD) is observed on which date  ?

A. 2023-06-01 00:00:00
B. 2022-06-01 00:00:00
C. is observed on which date  ? A) June 23 B) June 22 C)
D. is observed on which date  ? A) June 23 B) June 22 C) June 21 D) June 20
Answer» D. is observed on which date  ? A) June 23 B) June 22 C) June 21 D) June 20
396.

Q: Tetraethyl lead is used as

A. Fire extinguisher
B. Gasoline additive
C. Mosquito repellent
D. Pain killer
Answer» C. Mosquito repellent
397.

Q: Tennis rackets and ballpoint pens are

A. complementary goods
B. independent goods
C. inferior goods
D. substitute goods
Answer» C. inferior goods
398.

Q: Telengana creation as in independent state is primarily the outcome of _____ ?

A. 16th Lok Sabha
B. 15th Lok Sabha
C. 14th Lok Sabha
D. 13 Lok Sabha
Answer» C. 14th Lok Sabha
399.

Q: Tanjore kingdom was founded by Raja Odeyar. True or False ?

A. 1
B. 0
Answer» C.
400.

Q: Tally package is developed by

A. Tally Solutions
B. Coral Softwares
C. Vedika Softwares
D. Peutronics
Answer» B. Coral Softwares