Explore topic-wise MCQs in General Knowledge.

This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

15101.

Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long it take both A u0026 B, working together but independently, to do the same job?

A. 8.5 days
B. 40/9 days
C. 40/7 days
D. 7.5 days
Answer» C. 40/7 days
15102.

A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work?

A. 29 days
B. 31 days
C. 25 days
D. 27 days
Answer» E.
15103.

A can do a piece of work n 7 days of 9 hours each and B alone can do it in 6 days of 7 hours each. How long will they take to do it working together 8 2/5 hours a day?

A. 3
B. 4
C. 5
D. 6
Answer» B. 4
15104.

In cattles, when red one is crossed with white, an intermediate roan coloured offspring is formed in F1 generation. When selfing of F1generation was carried, the result obtained was

A. 1 Red, 1 Roan, 1 White
B. 1 Red, 2 Roan, 2 White
C. 1 Red, 2 Roan, 1 White
D. 2 Red, 1 Roan, 1 White
Answer» D. 2 Red, 1 Roan, 1 White
15105.

If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?

A. 32 days
B. 48 days
C. 52 days
D. 38 days
Answer» B. 48 days
15106.

A train 270 m long is moving at a speed of 24 kmph. It will cross a man coming from the opposite direction at a speed of 3 kmph, in ?

A. 36 s
B. 30 s
C. 32 s
D. 34 s
Answer» B. 30 s
15107.

If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day?

A. 142
B. 89
C. 98
D. 102
Answer» E.
15108.

A tall pea plant with red flowers was crossed with a dwarf white flowered plant and four kinds of offsprings were produced in equal proportions. The genotype of the tall red parent was

A. TtRR
B. TTRR
C. TtRr
D. TTRr
Answer» D. TTRr
15109.

A peripheral storage drive that holds, spins, reads and writes.

A. USB Port
B. KJG Insert
C. Diskette/ C.D. Rom Drive (correctanswer, your response)
D. RAM ( Random Accces Memory)
Answer» D. RAM ( Random Accces Memory)
15110.

The percentage of ‘yr’ gametes produced by a YyRr parents will be

A. 12.5
B. 50
C. 25
D. 75
Answer» D. 75
15111.

F1 hybrid is intermediate between the two parents. The phenomenon is called .

A. incomplete dominance
B. blending inheritance
C. dominance
D. codominance
Answer» B. blending inheritance
15112.

The primary computer storage unit.

A. Hard Drive
B. RAM
C. Soft Drive
D. Medium Drive
Answer» B. RAM
15113.

You need this small part to save or for your computer to remember anything.

A. RAM (Random Access Memory)
B. RICE (Reccreational Internet CreatorExpress)
C. RPM (Revolutions pre minute)
D. All of the above
Answer» B. RICE (Reccreational Internet CreatorExpress)
15114.

F1 hybrid obtained from pure inflated pod and pure constricted pod variety of pea was crossed back with the pure variety of inflated pods. The progeny thus obtained will be

A. 1 : 1.
B. 3 : 1.
C. all constricted.
D. all inflated.
Answer» E.
15115.

A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is

A. 74 km/h
B. 72 km/h
C. 82 km/h
D. 80 km/h
Answer» D. 80 km/h
15116.

When a tall pea plant is crossed with a short pea plant to obtain a ratio 1 : 1, the genotype of the tall pea plant is

A. F1 × any parent.
B. F1 × dominant parent only
C. F1 × recessive parent only
D. F1 × F1
Answer» D. F1 × F1
15117.

Two trains travel in opposite directions at 36 kmph and 45 kmph and a man sitting in slower train passes the fasten train in 8 seconds. The length of the faster train is ?

A. 160m
B. 180m
C. 165m
D. 185m
Answer» C. 165m
15118.

A train 110 m long passes a man, running at 6 kmph in the direction opposite to that of the train, in 6 seconds. The speed of the train is

A. 55 km/h
B. 60 km/h
C. 65 km/h
D. 50 km/h
Answer» C. 65 km/h
15119.

To listen to my music on my computer, I need to have what card.

A. Network Card
B. Sound Card
C. Video Card
D. RAM ( Random Accces Memory)
Answer» C. Video Card
15120.

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is ?

A. 60 m
B. 65 m
C. 50 m
D. 55 m
Answer» D. 55 m
15121.

A train traveling at 48 kmph completely crosses another train having half its length and traveling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is ?

A. 400m
B. 550m
C. 600m
D. 450m
Answer» B. 550m
15122.

Which of the following cross produces tall and dwarf in equal proportion?

A. Tt × tt
B. TT × rr
C. Tt × Tt
D. TT × Tt
Answer» B. TT × rr
15123.

What card inables you to access your office network?

A. Power Box
B. Video Card
C. Network Card
D. None of the above
Answer» D. None of the above
15124.

A train X starts from A at 4 P.M. and reaches B at 5 P.M. while another train Y starts from B at 4 P.M. and reaches A, at 5.30 PM. The two trains will cross each other at ?

A. 4.36 pm
B. 4.48 pm
C. 4.52 pm
D. 4.56 pm
Answer» B. 4.48 pm
15125.

The speed of a 100 m long running train A is 40% more than the speed of another 180 m long train B running in the opposite directions. To find out the speed of train B, which of the information given in statements P and Q is sufficient? P : The two trains crossed each other in 6 seconds.Q : The difference between the speeds of the two trains was 26 kmph.

A. Only P is sufficient
B. Only Q is sufficient
C. Both P and Q are needed
D. Both P u0026 Q are not sufficient
Answer» B. Only Q is sufficient
15126.

Two trains are running in opposite directions towards each other with speeds of 54 kmph and 48 kmph respectively. If the length of one train is 250 m and they cross each other in 18 seconds, the length of the other train is ?

A. 260 m
B. 250 m
C. 270 m
D. 280 m
Answer» B. 250 m
15127.

When a heterozygous pea plant with inflated pods is crossed with a plant with homozygous constricted pods, the offspring are

A. all constricted
B. 50% inflated 50% constricted
C. all inflated
D. 75% inflated 25% constricted
Answer» C. all inflated
15128.

A train is moving at speed of 132kmph. If the length of the train is 110 meters, how long will it take to cross a railway platform 165 m long?

A. 8.5 s
B. 7.5 s
C. 6.0 s
D. 7.0 s
Answer» C. 6.0 s
15129.

A train 150 m long is running at a speed of 90kmph. Time taken by the train to cross a tree is ?

A. 5 s
B. 6 s
C. 5.5 s
D. 6.5 s
Answer» C. 5.5 s
15130.

A train of length 150 m takes 10 seconds to pass over another train 100 m long coming from the opposite direction. If the speed of the first train be 30 kmph, the speed of the second train is ?

A. 60 km/h
B. 65 km/h
C. 50 km/h
D. 55 km/h
Answer» B. 65 km/h
15131.

A test cross distinguishes between

A. homozygous dominant andheterozygous dominant
B. homozygous recessive and heterozygousrecessive
C. two homozygous plants
D. two heterozygous plants
Answer» B. homozygous recessive and heterozygousrecessive
15132.

An express train traveled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km.. How long did it take to reach its destination 600 km from the starting point?

A. 6 hrs 45 min
B. 6 hrs 21 min
C. 6 hrs 30 min
D. 6 hrs 49 min
Answer» C. 6 hrs 30 min
15133.

Mendel may not be able to establish the law of independent assortment, if both characters were located on

A. sex chromosomes.
B. separate chromosome but an differentloci.
C. same homologous chromosomes.
D. separate on homologous chromosomes.
Answer» D. separate on homologous chromosomes.
15134.

A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is

A. 65m
B. 50m
C. 55m
D. 60m
Answer» C. 55m
15135.

If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is ?

A. 72 km/hr
B. 70 km/hr
C. 74 km/hr
D. 76 km/hr
Answer» B. 70 km/hr
15136.

Some individuals with blood group A may inherit the genes for black hair, while other individuals with blood group A may inherit the genes for brown hair. This can be explained by the principle of

A. multiple alleles.
B. dominance.
C. incomplete dominance.
D. independent assortment.
Answer» E.
15137.

A train 700 m long is running at 72kmph. If it crosses a tunnel in I minute, the length of the length of the tunnel is ?

A. 600m
B. 650m
C. 550m
D. 500m
Answer» E.
15138.

A train 280 m long is moving at 60kmph. The time taken by the train to cross a tunnel 220 m long is ?

A. 30 s
B. 35 s
C. 20 s
D. 25 s
Answer» B. 35 s
15139.

Genetically identical progeny is produced when the individual

A. undergoes mutation
B. practices inbreeding without meiosis.
C. produces identical gametes.
D. performs cross fertilization.
Answer» D. performs cross fertilization.
15140.

A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km/hr the time taken by it to cover the same distance will be ?

A. 10 min. 30 sec
B. 10 min. 50 sec
C. 12 min.
D. 13 min. 20 sec
Answer» E.
15141.

A train traveling at a speed of 90kmph crosses a pole in 10 seconds. The length of the train is ?

A. 350m
B. 200m
C. 250m
D. 300m
Answer» D. 300m
15142.

Two trains 126 m and 114 m long are running in opposite directions, one at the rate of 30 kmph and another one at 42 kmph. From the moment they meet will cross each other in ?

A. 14 s
B. 8 s
C. 10 s
D. 12 s
Answer» E.
15143.

If a train 110 m long passes a telegraph pole in 3 seconds, then the time taken by it to cross a railway platform 165 m long, is ?

A. 6 s
B. 7.5 s
C. 4 s
D. 5.5 s
Answer» C. 4 s
15144.

How many types of gametes are expected from the organism with genotype AA BB CC?

A. Eight TARGET Publications Std. XII: Triumph Biology
B. Four
C. Two
D. One
Answer» E.
15145.

A train 150 m long passes a km stone in 15 seconds and another train of the same length travelling in opposite direction in 8 seconds. The speed of the second train is ?

A. 99 km/h
B. 96 km/h
C. 97 km/h
D. 98 km/h
Answer» B. 96 km/h
15146.

A cross between yellow round and green wrinkled pure line plants yield _________yellow wrinkled plants in F1generation.

A. 16
B. 0
C. 3
D. 9
Answer» C. 3
15147.

Two trains running in the same direction at 65 kmph and 47 kmph, completely pass one another in 1 minute. If the length of the first train is 125 m, the length of the second train is ?

A. 165 m
B. 170 m
C. 185 m
D. 175 m
Answer» E.
15148.

A train running at certain speed crosses a stationary engine in 20 seconds. To find out the speed of the train, which of the following information is necessary ?

A. Both the length of the train and the length of the engine
B. Only the length of the train
C. Only the length of the engine
D. Either the length of the train or the length of the engine
Answer» B. Only the length of the train
15149.

A train B speeding with 120 kmph crosses another train C, running in the same direction in 2 minutes. If the lengths of the trains B and C be 100 m and 200 m respectively, what is the speed of the train C ?

A. 100 km/h
B. 120 km/h
C. 123 km/h
D. 111 km/h
Answer» E.
15150.

How many genetically different gametes will be produced by a heterozygous plant having the genotype Aa Bb Cc?

A. 16
B. 12
C. 8
D. 4
Answer» D. 4