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.

301.

Q: What carries Blood back to the Heart?

A. Veins
B. Arteries
C. Both A & B
D. None
Answer» B. Arteries
302.

Q: What carries Blood away from the Heart?

A. Arteries
B. Veins
C. Both A & B
D. None
Answer» B. Veins
303.

Q: What cannot be performed from the windows task manager?

A. Open a program
B. Check recent CPU usage
C. Delete a program from the hard drive
D. View what applications are running in the background
Answer» D. View what applications are running in the background
304.

Q: What Asks But Never Answers?

A. Teacher
B. Telephone
C. Letter
D. Owl
Answer» E.
305.

Q: What base is found in RNA but not in DNA?

A. Uracil
B. Cytosine
C. Adenine
D. Guanine
Answer» B. Cytosine
306.

Q: What are two rights in the declaration of Independence?

A. Liberty
B. Life
C. Pursuit of happiness
D. All the above
Answer» E.
307.

Q: What are three characteristics of the agricultural revolution?

A. Farmers learned to control water through wells and canals
B. New tools made it possible for more crops to be grown
C. Crop rotation was invented, making it harder on soil
D. All the above
Answer» E.
308.

Q: What are the rungs of the DNA ladder made of?

A. phosphates and sugars
B. nitrates and sugars
C. nitrates and phosphates
D. sugars and hydrates
Answer» D. sugars and hydrates
309.

Q: What are the Monomers that make up Proteins?

A. Amino acids
B. Nucleotides
C. Disaccharides
D. Chaperones
Answer» B. Nucleotides
310.

Q: What are the end products of cellular respiration?

A. ATP, Glucose
B. Glucose, Oxygen
C. Oxygen, Water
D. ATP, Water
Answer» E.
311.

Q: What are the building blocks of Nucleic Acids?

A. Pentose Sugar
B. DNA
C. RNA
D. Nucleotides
Answer» E.
312.

Q: What Animals are Warm Blooded?

A. Reptiles
B. Insects
C. Amphibians
D. Birds
Answer» E.
313.

Q: What animal has the worst memory?

A. Dog
B. Rat
C. Elephant
D. Dolphin
Answer» D. Dolphin
314.

Q: What animal has the highest blood pressure?

A. Elephant
B. Giraffe
C. Lion
D. Rabbit
Answer» C. Lion
315.

Q: Water soluble vitamin include

A. vitamin C
B. niacin
C. riboflavin
D. all of the above
Answer» E.
316.

Q: Water is an example of?

A. Element
B. Molecule
C. Compound
D. Both B & C
Answer» E.
317.

Q: Waksman got the noble prize for the discovery of

A. Streptomycin
B. Chloromycetin
C. Pencillin
D. Neomycin
Answer» B. Chloromycetin
318.

Q: Visible light has a higher frequency than

A. Radio waves
B. X rays
C. Ultra violet
D. All the above
Answer» B. X rays
319.

Q: V-RAM is used for access of the following ?

A. Programs
B. Video & Graphics
C. Text & Images
D. All
Answer» C. Text & Images
320.

Q: Tribal Cooperative Marketing Development Federation of India Limited (TRIFED) has celebrated 'World Honey Bee Day' on ?

A. 19th Augusrt
B. 21st August
C. has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C)
D. has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C) 18th August D) 16th August
Answer» B. 21st August
321.

Q: Translator program used in assembly language

A. Assembler
B. Interpreter
C. Compiler
D. Operating system
Answer» B. Interpreter
322.

Q: Translation of the dna sequence AAGCTGGGA would result in

A. a DNA strand with the base sequence TTCGACCCT
B. an mRNA strand with the sequence TTCGACCCT
C. a sequence of three amino acids linked by peptide bonds
D. an mRNA strand with the sequence UUGCACCCU
Answer» B. an mRNA strand with the sequence TTCGACCCT
323.

Q: Total Output is a synonym for

A. aggregate demand
B. gross domestic product
C. aggregate supply
D. equilibrium
Answer» D. equilibrium
324.

Q: Tissue that connects muscle to bone

A. Tendons
B. Joint capsule
C. Body fiber
D. Ligament
Answer» B. Joint capsule
325.

Q: They come out at night without being called and are lost in the day without being stolen. What are they?

A. Light
B. Bats
C. Stars
D. Flights
Answer» D. Flights
326.

Q: There is a clock which shows false timing ie it shows 20 minutes less for each 1 hour. If the clock shows 12 noon now how many minutes will be lost when it shows 2 pm ?

A. 36 minutes
B. 48 minutes
C. 35 minutes
D. 60 minutes
Answer» E.
327.

Q: There are approximately how many muscles in Human body ?

A. 206
B. 310
C. 554
D. 700
Answer» E.
328.

Q: The world's tallest twisted tower is ?

A. Tokyo Sky Tree
B. BREN Tower
C. Burj Khalifa
D. Infinity Tower
Answer» E.
329.

Q: The wealthiest citizens of ancient rome were

A. patricians
B. laborers
C. farmers
D. plebeians
Answer» B. laborers
330.

Q: The wavelength of a wave is the distance between

A. Crest and Trough
B. Crest and Crest
C. Trough and Trough
D. Both B & C
Answer» E.
331.

Q: The United Nations Public Service Day is observed on

A. 2024-06-01 00:00:00
B. 2023-06-01 00:00:00
C. 2026-06-01 00:00:00
D. 2025-06-01 00:00:00
Answer» C. 2026-06-01 00:00:00
332.

Q: The two kinds of Main Memory are

A. Random and sequential
B. ROM and RAM
C. Primary and secondary
D. All the above
Answer» C. Primary and secondary
333.

Q: The term "simple carbohydrates" refers to

A. polysaccharides
B. monosaccharides and disaccharides
C. starch and glycogen
D. dietary fiber
Answer» C. starch and glycogen
334.

Q: The term facultative anaerobe refers to an organism that

A. Uses oxygen or grows without oxygen.
B. Requires less oxygen than is present in air.
C. Prefers to grow without oxygen.
D. Is killed by oxygen.
Answer» B. Requires less oxygen than is present in air.
335.

Q: The term biodiversity refers to

A. Range of genetic variation within a population
B. Total number of different species within a habitat
C. Both A & B
D. None of the above
Answer» D. None of the above
336.

Q: The term aerotolerant anaerobe refers to an organism that

A. uses oxygen or grows without oxygen.
B. requires more oxygen than is present in air.
C. does not use oxygen but tolerates it.
D. requires less oxygen than is present in air.
Answer» D. requires less oxygen than is present in air.
337.

Q: The Teesta River is flowing through which two Indian states ?

A. Haryana & Punjab
B. Sikkim & West Bengal
C. West Bengal & Manipur
D. Assam & Uttarakhand
Answer» C. West Bengal & Manipur
338.

Q: The storage form of glucose in animals is

A. Starch
B. Glucose
C. Glycogen
D. None of the above
Answer» D. None of the above
339.

Q: The State which tops in the production of rubber is

A. Tamil Nadu
B. Karnataka
C. Kerala
D. Orissa
Answer» D. Orissa
340.

Q: The Simon commission visited India in the year?

A. 1933
B. 1939
C. 1921
D. 1927
Answer» E.
341.

Q: The resolution of a printer is measured in

A. DPI
B. Megabits
C. Hertz
D. Inches
Answer» B. Megabits
342.

Q: The reserves of a commercial bank consist of

A. the bank's net worth
B. the amount of money market funds it holds
C. government securities that the bank holds
D. deposits at the Federal Reserve Bank and vault cash
Answer» E.
343.

Q: The reflex angle between the hands of a clock at 11:35 is ?

A. 137.5 degrees
B. 222.5 degrees
C. 192.5 degrees
D. 330 degrees
Answer» C. 192.5 degrees
344.

Q: The purest form of iron is

A. wrought iron
B. steel
C. pig iron
D. nickel steel
Answer» B. steel
345.

Q: The process of bones increasing in width is known as

A. appositional growth
B. closing of the epiphyseal plate
C. concentric growth
D. long bones reaching adult length and width
Answer» B. closing of the epiphyseal plate
346.

Q: The primary Economic function of the Financial system is to

A. Providing experts advice to investors and savers
B. Match one person's savings with another person's investment
C. Keeping interest rates low
D. Match one person's consumpion expenditure with another person's capital expenditure
Answer» C. Keeping interest rates low
347.

Q: The preamble to our constitution provided that India is

A. a sovereign, socialist, secular and democratic republic
B. a sovereign republic with a socialist pattern of society
C. a socialist, secular and democratic republic
D. a sovereign, socialist and democratic republic
Answer» B. a sovereign republic with a socialist pattern of society
348.

Q: The percentage of irrigated land in India is about

A. 0.66
B. 0.35
C. 0.71
D. 0.22
Answer» C. 0.71
349.

Q: The 'P' in DPT stands for

A. Pulmonary
B. Pneumonia
C. Pneumothorax
D. Pertussis
Answer» E.
350.

Q: The outermost layer of the sun is called

A. Corona
B. Chromosphere
C. Radiative Zone
D. Transition Region
Answer» B. Chromosphere