Oparin’s theory about ‘Origin of life’ is related to ________.
- ((a))
chemical evolution
- ((b))
biological evolution
- ((c))
physical evolution
- ((d))
artificial evolution
Show Answer
chemical evolution
75 questions · 60 minutes · with answers · free
Oparin’s theory about ‘Origin of life’ is related to ________.
chemical evolution
biological evolution
physical evolution
artificial evolution
chemical evolution
Which Indian economist wrote the 2017 book ‘I Do What I Do’?
Amartya Sen
Urjit Patel
Manmohan Singh
Raghuram Rajan
Amartya Sen
Consider the given question and decide which of the following statements is sufficient to answer the question.
What is the code for PQR?
Statements:
I. ABC represents BCD; DEF represents EFG.
II. LMN represents MNO; OPQ represents PQR.
I alone is sufficient while II alone is not sufficient to answer the question.
II alone is sufficient while I alone is not sufficient to answer the question.
Both I and II are sufficient to answer the question.
Either I or II is sufficient to answer the question.
I alone is sufficient while II alone is not sufficient to answer the question.
Direction: The given Pie chart shows the distribution of minerals in the human body, study the chart carefully and answer the following question.
Based on the given data, what is the ratio of calcium to iron found in the human body?
3 : 5
5 : 8
3 : 2
8 : 5
3 : 5
Shams invested Rs. 4000 at 10% per annum compound interest. After n years, Shams received Rs. 1324 more, Find the value of n.
4 years
3 years
2 years
1 years
4 years
Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
Reproduction
Circulation
Digestion
Respiration
Reproduction
What product is formed when electricity is passed through an aqueous solution of sodium chloride?
Sodium oxide
Sodium hydroxide
Sodium and chlorine
Sodium and water
Sodium oxide
A force 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is:
90°
0°
30°
60°
90°
The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?
15 years
11 years
12 years
14 years
15 years
If the edge of a cube is increased by 4 cm, the volume will increase by 988 cm3. Then what is the original length of each edge of the cube?
8 cm
6 cm
7 cm
9 cm
8 cm
The S.P. of a washing machine is of its C.P. Find the gain percent.
20%
30%
25%
20%
What is the name of the new Android App that has been launched by Sachin Tendulkar in 2017?
100MB
Sachin
SRT
Aamchi Mumbai
100MB
Ice floats on water because its density is _______.
more than water
zero
same as water
less than water
more than water
The sum of two fraction is 19/20, one of them is 3/4. What is the other fraction?
1/12
1/5
1/10
1/1
1/12
A tanker can fill a cistern in 12 hours. After half the cistern is filled, 2 more similar tankers are opened. What is the time taken to fill the remaining half of the tank?
3 h
1 h 30 min
2 h
1 h 45 min
3 h
Which of the following gases makes bread or cake rise making them soft and spongy?
CO2
O2
H2
CO
CO2
Select the option that does NOT belong in the following figure series.
D
B
C
A
D
What is the amount of work done when a body moves under a force of 1 N a distance of 1 metre in the direction of the force?
100 Joules
1 Joule
10 Joules
0.01 Joules
100 Joules
Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.
Statements:
All boys are girls. All girls are monkeys.
Conclusions:
Neither 1 nor 2 follows.
Only conclusion 1 follows.
Only conclusion 2 follows.
Both 1 and 2 follow.
Neither 1 nor 2 follows.
Why does a sprinter keep running even after crossing the finishing line?
The inertia of rest takes some time to make him stop.
The inertia of motion keeps him running.
He wants to make sure that he crosses the line.
The friction between his shoes and the ground causes him to move beyond the line.
The inertia of rest takes some time to make him stop.
Which team won the 2016 Champions Trophy Men’s Hockey tournament defeating India in the finals in London?
Netherlands
Spain
Australia
USA
Netherlands
In the Modern Periodic Table, a zig-zag line separates ________.
metals from non-metals
metals from metalloids
non-metals from metalloids
metals from halogens
metals from non-metals
The sum of 4/7 and 7/4 is:
33/28
33/14
25/14
65/28
33/28
A and B can complete a task in 10 days, B and C can complete it in 15 days while C and A can do the same task together in 12 days. How many days will they together take to complete the task?
5
8
6
4
5
Select the correct set that represent the following Venn diagram.
Grass-eating animals, cows, deer
Grass-eating animals, goat, buffalo
Flesh-eating animals, tigers, cows
Flesh-eating animals, tigers, lions
Grass-eating animals, cows, deer
Nitin ranks 23rd from the top in a class of 42. What will be his rank from the last?
27th
25th
20th
23th
27th
The repeated reflection that results in persistence of sound is called ________.
reverberation
echo
rarefaction
reflection
reverberation
Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.
61
21
16
81
61
Which of the following will yield a recurring decimal?
9/90
9/20
9/70
9/40
9/90
Gurinder Chadha, a Britisher of Indian-origin, has been honoured with the Sikh Jewel Award for 2017. In what line is Gurinder famous?
Film-making
Athletics
Journalism
Medicine
Film-making
If Y is the brother of X, Y is son of Z, Z’s father is X’s ______
Father-in-law
Grandfather
Father
Uncle
Father-in-law
Select the option that is different from the remaining three alternatives.
xyzw
mnol
ponm
ghif
xyzw
Consider the given question and decide which of the following statements is sufficient to answer the question.
What day is the 14th of a given month?
Statements:
Statement 2 alone is sufficient while statement 1 alone is insufficient.
Either statement 1 or 2 is sufficient.
Both statements 1 and 2 are sufficient.
Statement 1 alone is sufficient while statement 2 alone is insufficient.
Statement 2 alone is sufficient while statement 1 alone is insufficient.
If the number 4x315 is divisible by 3, where x is a digit, what can be the sum of all such values of x?
16
14
15
11
16
The sum of 17 observations of a data is (496 + x). if the mean of the data is x, then the value of x is.
27
31
25
33
27
If Kamala is 50 m south-west of Neeta, and Ria is 50 m south-east of Neeta, then Ria is in which direction with respect to Kamala?
North-west
West
East
North-East
North-west
If a current of 1.5 A is maintained in a resistor of 10 Ohm, then the energy dissipated in the resistor in 1 minute will be:
1350 J
15 J
135 J
22.5 J
1350 J
Consider the argument and decide which of the given assumptions is (are) implicit.
Argument:
The present government had reduced the base price for auctioning for the 2G spectrum.
Assumptions:
Neither 1 nor 2 is implicit
Only assumption 2 is implicit
Both 1 and 2 are implicit
Only assumption 1 is implicit
Neither 1 nor 2 is implicit
Consider the given question and decide which of the following statements is sufficient to answer the question.
All natural numbers are whole numbers?
Statements:
(I) All natural numbers plus 0 are called whole numbers.
(II) Whole numbers are different from natural numbers.
alone is sufficient while (I) alone is not sufficient to answer the question.
Neither (I) or (II) is sufficient to answer the question.
(I) alone is sufficient while (II) alone is not sufficient to answer the question.
Both (I) or (II) is sufficient to answer the question.
alone is sufficient while (I) alone is not sufficient to answer the question.
Which actor-turned-politician was a Lok Sabha Member from Ahmedabad (East) constituency in 2019?
Dharmendra
Paresh Rawal
Shatrughan Sinha
Hema Malini
Dharmendra
A fan was sold for Rs. 3600 at a loss of 10%. What would be the gain or loss percent if it was sold for Rs. 4200?
Loss 5%
Gain 5%
Gain 10%
Loss 10%
Loss 5%
One of the most destructive volcanoes in recent times has been the Kilauea volcano. Where is it located?
Spain
Japan
Vietnam
Hawaii
Spain
Select the related word from the given alternatives.
JUMBUCKS : SKCUBMUJ ∷ SHIPJACK
KCAIJPHS
KCAJIPHS
KCASPHIS
KCAJPIHS
KCAIJPHS
Which of the following metals is NOT obtained by reduction using carbon?
Zinc
Sodium
Iron
Copper
Zinc
If x2 + ax + b, when divided by x - 5, leaves a remainder of 34 and x2 + bx + a, when divided by x - 5, leaves a remainder of 52, then a + b = ?
6
-6
3
-3
6
The quantum theory of light was given by ________.
Einstein
Planck
Newton
Faraday
Einstein
Who is the Home Minister of India as of February 2018?
Sushma Swaraj
Rajnath Singh
Arun Jaitley
Narendra Modi
Sushma Swaraj
Which Mughal Emperor was deported to Rangoon by the British?
Bahadur Shah Zafar
Bahadur Shah I
Shah alam II
Bahadur Shah III
Bahadur Shah Zafar
In the first 10 terms and the last 10 terms of the given expression are interchanged in such a way that the first term is interchanged with the last, the second with the second last, the third with the third last and so on, what will the fifth term from the right be in the new arrangement?
RB75E%M3W48Q9#B2A$MS
2
E
5
A
2
What is the number of atoms constituting a molecule known as?
Isotopes
Atomic mass
Atomicity
Atomic number
Isotopes
Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.
241
210
184
321
241
The number of diagonals in a decagon is:
33
39
40
35
33
Select the odd character out of the following series.
5
α
λ
π
5
The two roots of a quadratic equation are given as x = -2/3 and x = 1/2. The equation can be written as:
(2x - 1) (3x + 2) = 0
(2x + 1) (3x + 2) = 0
(2x - 1) (3x - 2) = 0
(2x + 1) (3x - 2) = 0
(2x - 1) (3x + 2) = 0
Select the option that is correct mirror image of the following figure.
B
D
A
C
B
The ratio of the number of marbles that Joyee and Minati had was 5 : 6 while the ratio of the number of marbles that Jacob and Minati had was 5 : 9. What is the ratio of the number of marbles that Joyee and Jacob had?
7 : 5
3 : 2
2 : 3
5 : 7
7 : 5
In the following series, two terms are missing as shown by the question marks (?). Select the missing terms from the given options.
I-10, L-13, O-16, ?, ?, X-25
R-19, U-22
H-8, J-10
R-8, U-12
K-11, M-13
R-19, U-22
A square park having a side 20 m has two roads each 2 m wide running in the middle of it and parallel to its length and breath. What will be cost of gravelling the path at the rate of Rs. 100/m2?
Rs. 7,200
Rs. 7,600
Rs. 8,800
Rs. 8,400
Rs. 7,200
Use each of the following only once and form three groups. The three groups so formed are:
(1, 3, 5), (2, 7, 8), (4, 6, 9)
(1, 3, 9), (2, 6, 8), (4, 7, 5)
(1, 3, 5), (2, 6, 9), (4, 7, 8)
(1, 3, 5), (2, 6, 8), (4, 7, 9)
(1, 3, 5), (2, 7, 8), (4, 6, 9)
Identify an example of connective tissue in humans.
Bone
Muscles
Cell
Fibres
Bone
Find the missing term for the related pair of letter clusters.
CLOUD : COULD ∷ SMILE : ________
MILSE
SLIME
SILME
MILES
MILSE
In which of the following examples will an athlete have a maximum accelerated motion?
Running on a circular track
Running on a hexagonal track
Running on an octagonal track
Running on a rectangular track
Running on a circular track
Consider the given statement to be true and decide which of the given conclusions logically follow(s) from the statement.
Statement:
All work and no play makes jack a dull boy.
Conclusions:
1: To work is important.
2: One has to compromise work for play.
Only conclusion 1 follows.
Only conclusion 2 follows.
Both conclusions 1 and 2 follow.
Neither conclusion 1 nor 2 follows
Only conclusion 1 follows.
written as a vulgar fraction in its simplest from is:
27/1111
9/370
9/37
27/1100
27/1111
A train crossed a 120 m long platform in 12 seconds and 165 m long platform in 15 seconds. The speed of the train was:
66 km/h
54 km/h
49 km/h
72 km/h
66 km/h
Phytohormones are _________.
regulators synthesized by plants influencing physiological processes
substance controlling diseases
substances used for photosynthesis
chemicals used for peeling
regulators synthesized by plants influencing physiological processes
One horse power is equals to
786 Watts
746 Watts
764 Watts
735 Watts
786 Watts
How many of the factors of 360 are perfect squares?
4
3
6
5
4
Which Indian nuclear scientist is currently the chairman of the Atomic Energy Commission of India?
A.S. Kiran Kumar
Sekhar Basu
Madhavan Nair
R. Murugesan
A.S. Kiran Kumar
The minimum number of straight lines required to construct the given figure is _____.
14
13
12
15
14
Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.
Statements: No girl can jump. Some girls are swimmers
Conclusion I: Male swimmers can jump.
Conclusion II: Some swimmers can jump.
Neither 1 nor 2 follows
Only conclusion 1 follows
Both 1 and 2 follows
Only conclusion 2 follows
Neither 1 nor 2 follows
______ is the number of shells for elements of the 3rd period.
3
1
0
2
3
India-born Sundar Pichai is the Chief Executive Officer (CEO) of which of the following companies?
Amazon
Dell
Microsoft
Select the odd figure out of the given series.
2
3
4
1
2
The hardest natural substance is ________.
Copper
Diamond
Iron
Graphite
Copper
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