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.

15051.

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is ?

A. 1 /10
B. 1/ 4
C. 8 /15
D. 7 /15
Answer» D. 7 /15
15052.

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is?

A. 55 km/hr
B. 50 km/hr
C. 54 km/hr
D. 45 km/hr
Answer» C. 54 km/hr
15053.

7, 10, 8, 11, 9, 12, ... What number should come next?

A. 7
B. 10
C. 12
D. 13
Answer» C. 12
15054.

2, 1, (1/2), (1/4), ... What number should come next?

A. 1/8
B. 1/3
C. 2/8
D. 1/16
Answer» B. 1/3
15055.

A parallel port is most often used by a - 1tMouse 2tMonitor 3tPrinter 4tExternal storage device Ans: 3

A. Mouse
B. Monitor
C. External storage device
D. Printer
Answer» E.
15056.

According to the World Bank's latest Development Report the position of the Indian economy in the world is the

A. second largest
B. third largest
C. fith largest
D. smallest
Answer» B. third largest
15057.

A zero rate of inflation necessarily in a year where the annual rate of inflation

A. is constant in every week of the Year
B. in every week of the year is zero
C. is failing in every week of the year
D. is both falling and rising in a year
Answer» E.
15058.

Reusable optical storage will typica1ly have the acronym ?

A. CO
B. DVD
C. ROM
D. RW
Answer» E.
15059.

The simultaneous processing of two or more programs by multiple processors is ?

A. multiprogramming
B. time-sharing
C. multiprocessing
D. multitasking
Answer» D. multitasking
15060.

A Web site's main page is called its ?

A. Home Page
B. Browser Page
C. Search Page
D. Bookmark
Answer» B. Browser Page
15061.

12 men can complete a work in 18 days. Six days after they started working, 4 more men joined them. How many days will all of them together complete the remaining work?

A. 9 days
B. 10 days
C. 8 days
D. 11 days
Answer» B. 10 days
15062.

……….are attempts by individuals to obtain confidential information from you by falsifying their identity ?

A. Phishing
B. Spyware scams
C. Computer viruses
D. Viruses
Answer» B. Spyware scams
15063.

Codes consisting of lines of varying widths or lengths that are computer-readable are known as.

A. an ASCII code
B. a magnetic tape
C. an OCR scanner
D. a bar code
Answer» E.
15064.

A,B and C are employed to do a piece of work for Rs.529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B?

A. Rs.86
B. Rs.92
C. Rs.112
D. Rs.98
Answer» C. Rs.112
15065.

Part number, part description, and number of parts ordered are examples of ?

A. control
B. output
C. processing
D. input
Answer» E.
15066.

A is twice as good workman as B, and together they complete a work in 15 days. In how many days can the work be complete by B alone?

A. 40 days
B. 25 days
C. 45 days
D. 35 days
Answer» D. 35 days
15067.

Which of the following is dominant character according to Mendel?

A. Green coloured pod and rounded seed
B. White testa and yellow pericarp
C. Terminal fruit and wrinkled seed
D. Dwarf plant and yellow fruit
Answer» B. White testa and yellow pericarp
15068.

A, B and C can do a piece of work in 15 days, 10 days and 6 days respectively. How long will they take to do it, if all the three work together?

A. 7 days
B. 5 days
C. 3 days
D. 2.5 days
Answer» D. 2.5 days
15069.

A is thrice as good a workman as B, and takes 10 days less to do a piece of work than B takes. B alone can do the whole work work in

A. 24 days
B. 21 days
C. 15 days
D. 18 days
Answer» D. 18 days
15070.

A disk's content that is recorded at the time of manufacture and that cannot be changed or erased by the user is ?

A. Memory-only
B. Write-only
C. Once-only
D. Read-only
Answer» E.
15071.

A and B and C together can finish a piece of work in 4 days. A alone can do it in 12 days, and B in 18 days. Then, C alone can do it in

A. 10 days
B. 8 days
C. 7 days
D. 9 days
Answer» E.
15072.

A can do a certain work in 25 days which B alone can do in 20 days. A stared the work and was joined by B after 10 days. The work was completed in

A. 15 1/3 days
B. 18 2/3 days
C. 16 2/3 days
D. 14 1/3 days
Answer» D. 14 1/3 days
15073.

The resemblance of individuals to their progenitors is called ?

A. none of these
B. evolution
C. genetics
D. heredity
Answer» E.
15074.

Mendel formulated some laws which are known as ?

A. Laws of inheritance
B. Laws of recapitulation
C. Laws of origin of species
D. Laws of germplasm
Answer» B. Laws of recapitulation
15075.

A can do 1/3 of the work in 5 days and B can do 2/5 of the work in 10 days. In how many days both A and B toether can do the work?

A. 9 3/5 days
B. 9 3/8 days
C. 8 2/3 days
D. 8 3/5 days
Answer» C. 8 2/3 days
15076.

A and B can together finish a work in 30 days. They workd on it for 20 days, and then B left. The remaining work was done by A alone in 20 more days A alone can finish the work in

A. 60 days
B. 62 days
C. 58 days
D. 56 days
Answer» B. 62 days
15077.

A does half as much work as B in three fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it ?

A. 35 days
B. 32 days
C. 28 days
D. 30 days
Answer» E.
15078.

Mendel’s laws of inheritance are applicable in

A. both sexually as well as apomicticplants.
B. only on garden plants.
C. only sexually reproducing plants.
D. plants raised through tissue culture.
Answer» D. plants raised through tissue culture.
15079.

When Mendel crossed plants with a pair of contrasting character, he derived the

A. law of co-dominance
B. law of incomplete Dominance
C. law of genes
D. law of dominance
Answer» E.
15080.

A does 4/5 of the work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone take to finish the whole work?

A. 35 ½ days
B. 34 ½ days
C. 37 ½ days
D. 36 ½ days
Answer» D. 36 ½ days
15081.

A and B can do a piece of work in 5 days. B and C can do it in 7 days, A and C can do it in 4 days. Who among these will take the least time if put to do it alone?

A. A
B. B
C. C
D. None of the above.
Answer» B. B
15082.

If a tall pea plant having red coloured flowers are crossed, they produce four types of plants in the ratio of 9 : 3 : 3 : 1. The genotype of the parents are (R−red flowered ; T − tall) is

A. RRTt × RRTt
B. RrTt × RrTt
C. RrTT × RrTT
D. RRTT × RRTT
Answer» C. RrTT × RrTT
15083.

To a complete a work, A and B take 12 days; B and C 15 days; C and A 20 days. How long A, B and C together will take?

A. 18 days
B. 15 days
C. 10 days
D. 11 days
Answer» D. 11 days
15084.

A and B take 15 and 20 days respectively. They worked for 4 days, and then the fraction of work left was

A. 8/15
B. 6/15
C. 11/15
D. 7/15
Answer» B. 6/15
15085.

Lethal genes are ?

A. codominant
B. dominant heterozygous
C. recessive heterozygous
D. recessive homozygous
Answer» E.
15086.

A is 50% as efficient as B. C does half of the work done by A and B together. If C alone does the work in 40 days, then A, B and C together can do the work in

A. 13 1/3 days
B. 15 1/3 days
C. 12 1/3 days
D. 14 1/3 days
Answer» B. 15 1/3 days
15087.

In humans, albinism is determined by

A. none of these
B. recessive gene
C. codominant gene
D. dominant gene
Answer» C. codominant gene
15088.

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 day. They all work together for 10 days, after which B and C leave. How many days more will A take to finish the work?

A. 22 days
B. 20 days
C. 19 days
D. 18 days
Answer» E.
15089.

A can do a job in 16 days, and B can do the same job in 12 days. With the help of C, they did the job in 4 days. Then, C alone can do the job in

A. 12 3/5 days
B. 9 3/5 days
C. 10 3/5 days
D. 8 3/5 days
Answer» C. 10 3/5 days
15090.

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work is

A. 5 days
B. 4 days
C. 3 days
D. 6 days
Answer» C. 3 days
15091.

12 men can complete a piece of work in 4 days, while 15 women can complete the same work in 4 days. 6 men start working on the job and after working for 2 days, all of them stopped working. How many women should be put on the job to complete the remaining work, if it is to be completed in 3 days?

A. 19
B. 16
C. 15
D. 18
Answer» D. 18
15092.

A can do a piece of work in 7 days of 9 hours each, and B 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 days
B. 2 2/3 days
C. 2 days
D. 3 1/3 days
Answer» B. 2 2/3 days
15093.

In humans, height is an example of

A. dominant genes
B. jumping genes
C. polygenic inheritance
D. co−dominance
Answer» D. co−dominance
15094.

A can do piece of work in 30 days while B alone can do it in 40 days. In how many days can A and B working together do it?

A. 17 1/7 days
B. 17 2/7 days
C. 15 2/3 days
D. 15 2/7 days
Answer» B. 17 2/7 days
15095.

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?

A. 1/8
B. 1/5
C. 1/6
D. 1/7
Answer» D. 1/7
15096.

Marriage between two sickle-cell carriers results into normal and sickle-cell carrier progenies in the ratio of

A. 1 : 2
B. 1 : 2 : 1
C. 3 : 1
D. 2 : 1
Answer» E.
15097.

A can do a piece of work in 80 days. He works at it for 10 days u0026 then B alone finishes the remaining work in 42 days. In how much time will A and B, working together, finish the work?

A. 23 days
B. 25 days
C. 30 days
D. 33 days
Answer» D. 33 days
15098.

In case of incomplete dominance, the monohybrid F2 generation will show

A. genotypic ratio of 3 : 1 and phenotypicratio 1 : 2 : 1
B. identical genotypic and phenotypic ratioof 1 : 2 : 1
C. genotypic ratio of 1 : 2 : 1 andphenotypic ratio of 3 : 1
D. identical genotypic and phenotypic ratioof 3 : 1
Answer» C. genotypic ratio of 1 : 2 : 1 andphenotypic ratio of 3 : 1
15099.

Genotype of blood group ‘A' will be

A. IA I c
B. I A I Aor IA
C. IB I B
D. IA I a
Answer» C. IB I B
15100.

X can do ¼ of a work in 10 days, Y can do 40% of work in 40 days and Z can do 1/3 of work in 13 days. Who will complete the work first?

A. X
B. Y
C. Z
D. None of the above.
Answer» D. None of the above.