Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

In present computing, which code is used and accepted all over the world?

A. ASCII
B. hollerith code
C. ebcdic
D. iscii
Answer» B. hollerith code
2.

What is the chemical name of Vitamin B2?

A. thiamine
B. retinol
C. ascorbic acid
D. Riboflavin
Answer» E.
3.

Honshu island in Japan is famous for-

A. Coal
B. Iron ore
C. Oil
D. diamonds
Answer» D. diamonds
4.

The coolant in a fridge is -

A. nitrogen
B. oxygen
C. chlorine
D. Freon
Answer» E.
5.

Vitamin which is found in citrus foods like lemons and oranges -

A. vitamin C
B. Vitamin A
C. Vitamin B
D. vitamin D
Answer» B. Vitamin A
6.

When an iron nail gets rusted, the weight of the nail -

A. grows.
B. Happens.
C. Neither increases nor decreases.
D. none of these
Answer» B. Happens.
7.

What is more found in soybean?

A. protein
B. Carbohydrate
C. fat
D. minerals
Answer» B. Carbohydrate
8.

Orange is a rich source of -

A. of carbohydrates
B. of fat
C. of protein
D. of vitamins
Answer» E.
9.

Which of the following diseases is usually spread through milk?

A. Decay
B. Jaundice
C. diphtheria
D. cholera
Answer» B. Jaundice
10.

Who is credited with the discovery of electron?

A. E. Goldstein
B. JJ Thomson
C. james chadwick
D. rutherford
Answer» C. james chadwick
11.

A current flowing through a conductor is -

A. directly proportional to the potential difference
B. directly proportional to resistance
C. inversely proportional to voltage
D. none of these
Answer» B. directly proportional to resistance
12.

What is the reason for the special smell of onion tuber?

A. The smell of the soil where it was grown.
B. sulfur compound
C. sugar
D. stored carbohydrates
Answer» C. sugar
13.

Washing soda is used domestically to soften water. What is it really -

A. calcium bicarbonates
B. sodium carbonates
C. sodium bicarbonate
D. calcium carbonate
Answer» C. sodium bicarbonate
14.

The element which is not found in blood is -

A. iron
B. copper
C. Chromium
D. magnesium
Answer» D. magnesium
15.

Sound cannot travel through which medium?

A. Water
B. steel
C. Air
D. Vacuum
Answer» E.
16.

How to find out the age of a tree?

A. by its weight
B. from his height
C. currently from its annual rings
D. How deep from the penetration of your roots
Answer» D. How deep from the penetration of your roots
17.

By which process solar kinetic energy is converted into chemical energy of carbohydrates?

A. Calvin cycle
B. Photosynthesis
C. chlorosynthesis
D. dark reaction
Answer» C. chlorosynthesis
18.

Calamine is an ore of ………

A. tin
B. magnesium
C. Such as
D. copper
Answer» D. copper
19.

Freezing point by mixing salt with ice

A. Happens.
B. increase occurs.
C. is unaffected.
D. First it decreases then it increases.
Answer» B. increase occurs.
20.

Which of the following is a solid -

A. chloroform
B. iodoform
C. ethyl alcohol
D. ether
Answer» C. ethyl alcohol
21.

Which of the following types of electromagnetic radiation has the longest wavelength?

A. UV radiation
B. gamma rays
C. radio waves
D. infrared waves
Answer» C. radio waves
22.

Which one of the following is not a nitrogen fertiliser?

A. ammonium sulfate
B. calcium cyanamide
C. superphosphate of lime
D. urea
Answer» D. urea
23.

A motor boat can travel at a speed of 10 km/h in still water. He is 91 km in the river. Walked downstream and returned there. It took him 20 hours in total. What is the speed of the river flow?

A. 3 किमी/घंटा
B. 4किमी/घंटा
C. 2 किमी/घंटा
D. 3 किमी/घंटा
Answer» C. 2 किमी/घंटा
24.

A motor boat travels 25 km upstream in 8 hours at a speed. And can go further 39 km. With the same speed it covers 35 km upstream in 11 hours. And can go further 52 km. The speed of the stream is -

A. 2 किमी/घंटा
B. 3 किमी/घंटा
C. 4 किमी/घंटा
D. 4 किमी/घंटा
Answer» D. 4 किमी/घंटा
25.

A boat travels 8 km in an hour in the downstream of the river. And travels 2 km in an hour in the opposite direction of the current. The speed of the river stream (in km/h) is -

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
26.

A boat goes 6 km in an hour in still water, but it takes thrice the time to cover the same distance upstream. The speed of the stream (in km/h) is -

A. 4
B. 5
C. 3
D. 2
Answer» B. 5
27.

A man rides the boat 30 km downstream and returns in total 8 hours. If the speed of the boat in still water is four times the speed of the stream, then the speed of the stream is

A. 1 किमी/घंटा
B. 2 किमी/घंटा
C. 4 किमी/घंटा
D. 3 किमी/घंटा
Answer» C. 4 किमी/घंटा
28.

A boat covers 20 km downstream and 30 km upstream. It covers total distance of 2 hours 20 minutes. Along the way, the boat covers a distance of 10 km downstream and 8 km upstream in 49 minutes. What is the downstream speed of those boat?

A. 18
B. 20
C. 16
D. 24
Answer» E.
29.

A boat covers 8 km in 7 hours. Upstream and 12 km downstream. She goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?

A. 5
B. 4
C. 3
D. 2
Answer» D. 2
30.

A boat covers a distance of 30 km downstream and 24 km upstream in 2 hours 27 minutes. Also, that boat covers 20 km downstream. And in upstream it can cover a distance of 8 km in 74 minutes. What is in the net (in kmph) of the boat in still water?

A. 18
B. 20
C. 24
D. 22
Answer» E.
31.

A boat covers 143 km upstream in 13 hours and the same distance upstream in 11 hours. What is the speed of the boat in still water (in km/h) -

A. 10
B. 12
C. 14
D. 8
Answer» E.
32.

The speed of a stream is 3 km/h. A boat covers a distance of 24 km and comes back to the starting point in 6 hours. What is the speed (in km/h) of the boat in still water?

A. 4
B. 9
C. 8
D. 12
Answer» C. 8
33.

A boat travels 32 km downstream in 4 hours and 24 km upstream. The distance it covers in 6 hours. What is the speed of the boat in still water (in km/h) -

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
34.

A boat goes 4 km upstream and 4 km downstream in 1 hour. The same boat goes 5 km downstream and 3 km upstream in 55 minutes. What is the speed of the boat in still water (in km/h) -

A. 6.5
B. 7.75
C. 9
D. 10.5
Answer» D. 10.5
35.

If a boat travels upstream with a speed of 24 km/h. And the same distance comes back with a speed of 40 km/h. What is the average speed (km/h) of the total journey -

A. 32
B. 30
C. 31
D. 33
Answer» C. 31
36.

A boat travels 35 km in the opposite stream of the river. It covers the journey in 7 hours. and covers the same distance along the current of the river in 5 hours. What is the speed of the boat in still water (in km/h) -

A. 5
B. 7
C. 9
D. 6
Answer» E.
37.

If a boat travels a certain distance at 30 km/h and comes back the same distance at 60 km/h. What will be the average speed (km/h) for the whole journey -

A. 45
B. 50
C. 40
D. 35
Answer» D. 35
38.

The downstream speed of a boat is 14 km/h and the upstream speed is 8 km/h. Find the speed of the boat in still water -

A. 12 किमी/घंटा
B. 11 किमी/घंटा
C. 10 किमी/घंटा
D. 8 किमी/घंटा
Answer» C. 10 किमी/घंटा
39.

A boat goes 2 km upstream and 3 km downstream in 20 minutes. He covers 7 km upstream and 2 km upstream in 53 minutes. Goes with the current. What is the speed of the boat in still water - (in kmph)

A. 75/7
B. 120/7
C. 135/7
D. 150/7
Answer» D. 150/7
40.

A boat goes 24 km upstream and 28 km downstream in 6 hours. It covers 30 km upstream and 21 km downstream in 6 hrs 30 min. What is the speed of the boat in still water?

A. 8 किमी/घंटा
B. 9 किमी/घंटा
C. 12 किमी/घंटा
D. 10 किमी/घंटा
Answer» E.
41.

It takes half the time for a boat to go downstream for some distance as compared to going upstream. What will be the ratio of the speed of the boat in that stream in still water -

A. 2ः1
B. 1ः2
C. 4ः3
D. 3ः1
Answer» E.
42.

A motor boat covers some distance in a river in favorable flow in 3 hours. and covers the same distance in upstream in 7/2 hours. If the speed of water is 1.5 km/h then what will be the speed of the vote in still water?

A. 15 किमी/घंटा
B. 19.5 किमी/घंटा
C. 17.5 किमी/घंटा
D. 19 किमी/घंटा
Answer» C. 17.5 किमी/घंटा
43.

A boat travels 75 km in upstream water in 3 hours and 60 km downstream in 1.5 hours. What will be the speed of the boat in still water?

A. 32.5 किमी प्रतिघंटा
B. 30 किमी. प्रतिघंटा
C. 65 किमी. प्रतिघंटा
D. 60 किमी. प्रतिघंटा
Answer» B. 30 किमी. प्रतिघंटा
44.

A man can row a boat upstream with a speed of 15 km/h and upstream with a speed of 9 km/h. The speed of the boat in still water will be -

A. 8 किमी/घंटा
B. 10 किमी/घंटा
C. 15 किमी/घंटा
D. 12 किमी/घंटा
Answer» E.
45.

In a certain time period a boy can swim twice the distance in the downstream direction than in the opposite direction by swimming. If the speed of the stream is 3 km/h, then the speed of the boy in still running will be -

A. 6 किमी/घंटा
B. 9 किमी/घंटा
C. 10 किमी/घंटा
D. 12 किमी/घंटा
Answer» C. 10 किमी/घंटा
46.

A boat's current flows at a speed of 4 km per hour. In it a boat goes 6 km and comes back to its starting point in 2 hours. Accordingly, what will be the speed of that boat in still water?

A. 6 किमी/घंटा
B. 8 किमी/घंटा
C. 7.5 किमी/घंटा
D. 6.8 किमी/घंटा
Answer» C. 7.5 किमी/घंटा
47.

A sailor travels 12 km downstream in 48 minutes. leaves and comes back in 1 hour 20 minutes. The sailor's speed in still water is -

A. 12 किमी/घंटा
B. 12.5 किमी/घंटा
C. 13 किमी/घंटा
D. 15 किमी/घंटा
Answer» B. 12.5 किमी/घंटा
48.

A boat travels 40 km upstream in 8 hours and 36 km downstream in 6 hours. moves. The speed of the boat in still water is

A. 6.5 किमी/घंटा
B. 5.5 किमी/घंटा
C. 6 किमी/घंटा
D. 5 किमी/घंटा
Answer» C. 6 किमी/घंटा
49.

A train 400 m long crosses a platform 800 m long in 36 seconds. What is the speed of the train (km/h)?

A. 150
B. 120
C. 125
D. 110
Answer» C. 125
50.

A train traveling at a speed of 36 km/h takes 10 seconds to pass a standing person. Accordingly, how much time will it take to cross a platform of length 55 m?

A. 6 सेकण्ड
B. 7 सेकंड
C. 31/2 सेकंड
D. 11/2 सेकंड
Answer» D. 11/2 सेकंड