Which biotic component of an ecosystem is present in the greatest number?
- ((a))
Primary Consumers
- ((b))
Producers
- ((c))
Secondary Consumers
- ((d))
Tertiary Consumers
Show Answer
Primary Consumers
75 questions · 60 minutes · with answers · free
Which biotic component of an ecosystem is present in the greatest number?
Primary Consumers
Producers
Secondary Consumers
Tertiary Consumers
Primary Consumers
Given below is a cause followed by three effects numbered I, II and III. Read the cause carefully and decide which of the three can be a/the possible effect(s).
Cause - City X has been lashed by lightning and heavy rains for the past two days. The Met Department has predicted more rain in the next 48 hours.
Effect I - The electricity board has decided to increase the tariff by 50 paise per unit in City X.
Effect II - Water-logging is being reported from many areas of City X.
Effect III - Several trees reportedly fell last night on MG Road injuring at least 12 people.
Both I and II are possible effects.
Only II is a possible effect.
Both II and III are possible effects.
Only I is a possible effect.
Both I and II are possible effects.
The phenomenon involved in the image formation by mirrors is _______.
diffraction
refraction
reflection
interference
diffraction
If three numbers are in the ratio 5 : 6 : 8 and their sum is 3800, then the greatest number will be:
1200
2000
1000
1600
1200
A, B, C, D, E and F are sitting around a circular table facing the centre. Only two people sit between F and C. D sits to an immediate right of F. A is an immediate neighbour of B and C. What is the position of E with respect to B?
Immediate right
Second to the left
Immediate left
Third to the right
Immediate right
Which of the following options should come in place of the question mark (?) in the given series to make it logically complete?
13, 24, 46, 79, 123,?
176
172
178
174
176
A man invested of his income at 7% simple interest, of his income at 8% simple interest, and the remainder of his income at 10% simple interest. If the total interest at the end of one year was ₹561, what was his initial income?
₹4,500
₹6,600
₹7,500
₹3,000
₹4,500
In a certain code language, ‘ALSO’ is coded as ‘8693’ and ‘SALE’ is coded as ‘2836’. What is the code for ‘E’ in the given code language?
9
3
2
8
9
Express the expression below as a perfect square:
The sum of the ages of 5 children born at intervals of 2 years each is 40 years. What is the age of the eldest child?
10 years
14 years
16 years
12 years
10 years
Two successive discounts of 30% and 35% on a deal are equivalent to a single discount of:
60%
65%
54.5%
55.5%
60%
Harmful metabolic wastes from our body are removed by the biological process called:
defecation
transportation
secretion
excretion
defecation
The Jivitputrika festival, which was in the news for an incident in September 2024, is primarily celebrated in which of the following states?
West Bengal
Odisha
Bihar
Gujarat
West Bengal
Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order?
ZTQ, XRO, VPM, TNK, ?
RKL
RML
RLI
SMK
RKL
Aruna borrowed a sum of ₹9,000 from Jayshree at 10% per annum on compound interest, compounded annually. Find the total amount paid by Aruna after 2 years to clear all the dues.
₹10,098
₹10,890
₹10,980
₹10,089
₹10,098
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of ::?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
X : 529 :: 21 : Y
X = 14, Y = 529
X = 12, Y = 729
X = 11, Y = 625
X = 18, Y = 676
X = 14, Y = 529
There is a 10 m tall tower between two parallel roads. The angles of depression of the roads from the top of the tower are 30° and 45° respectively. Approximately, how far are the roads from each other?
30.82 m
27.32 m
29.56 m
26.44 m
30.82 m
The total count of prime numbers less than 50 is:
17
15
14
13
17
Town A lies to the north of Town B. Town C lies to the south of Town A. Town D lies to the northeast of Town C. Town E lies to the south of Town D. Town B lies to the northwest of Town E. Town B lies to the south of Town C. What is the position of Town E with respect to Town C?
Northwest
Northeast
Southwest
Southeast
Northwest
Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order?
CGM, EIO, GKQ, IMS, ?
KOX
KNY
KOV
KOU
KOX
The kinetic energy of a body of mass 2 kg, which is moving with the constant velocity 5 m/sec, is ________.
100 joules
25 joules
10 joules
50 joules
100 joules
Every trait in an organism is influenced by which of the following?
Only maternal DNA
By both maternal and paternal DNA equally
More by paternal DNA than maternal DNA
Only paternal DNA
Only maternal DNA
Who among the following is India's youngest Olympic medallist as of August 2024?
Manu Bhaker
Lakshya Sen
Aman Sherawat
Neeraj Chopra
Manu Bhaker
When an object is kept in front of a concave mirror of focal length 10 cm, a real image is formed at a distance of 20 cm in front of the mirror. Here, the object distance is _______.
-5 cm
-20 cm
-10 cm
-30 cm
-5 cm
The salaries of P and Q together amount to ₹2,000. P spends 95% of his salary and Q spends 85% of his salary. If now their savings are the same, then P’s salary is:
₹1,500
₹500
₹1,250
₹750
₹1,500
Arpita buys 9 oranges and 8 bananas for ₹276. When the cost of an orange is decreased by 10% and that of a banana remains the same, then the cost of 5 oranges and 10 bananas is ₹210. What is the original cost of 3 oranges and 4 bananas?
₹108
₹120
₹116
₹123
₹108
Justice M Fathima Beevi was the first female Judge appointed to the Supreme Court of India in 1989. She passed away at the age of 96 on:
22 November 2023
23 November 2023
26 November 2023
25 November 2023
22 November 2023
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster does not belong to that group?
(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster.)
VRU
PKO
FAE
MHL
VRU
Sameer has a solid metal ball having a diameter of 6 cm. He melts it and uses the material for making a solid cylinder. If the diameter of the base of the cylinder is same as that of the ball, what would the height of the cylinder be?
4.5 cm
4 cm
6 cm
8 cm
4.5 cm
Select the correct statement.
Pollination is visit of insects to the flower.
Pollination is the growth of pollen tube in ovule.
Pollination is germination of pollen grains.
Pollination is transfer of pollen grains from stamen to stigma.
Pollination is visit of insects to the flower.
Which of the following is the symbol of the unit of atomic mass?
u
mg
g
ml
u
The first ________ transport aircraft was formally inducted into the Indian Air Force in 2023.
C-225 MW
C-275 MW
C-295 MW
C-250 MW
C-225 MW
Which of the following is an example of emulsion?
Foam
Face Cream
Sponge
Rubber
Foam
Select the triad which follows the same pattern as that followed by the two triads given below. Both triads follow the same pattern.
PK-RM-TU
HC-JE-LM
MH-OJ-PR
MH-OJ-QR
MG-OJ-QR
MH-OJ-QS
MH-OJ-PR
A car travels 80 km at the speed of 20 km/h and the next 30 km at the speed of 30 km/h. What is its average speed?
30 km/h
20 km/h
40 km/h
22 km/h
30 km/h
Seven people, B, C, D, E, F, G, and K, are sitting in a straight line, facing north. No one sits to the right of G. Only three people sit between G and E. Only two people sit between E and F. C sits third to the left of D. K sits to the immediate right of D.
How many people sit between B and F?
Three
One
Two
Four
Three
What is the function of xylem?
Conduction of food
Conduction of protein
Conduction of water and minerals
Conduction of lipid
Conduction of food
Carbon, in all its allotropic forms, burns in oxygen to give __________.
carbon monoxide
carbon dioxide
carbonic acid
methane
carbon monoxide
If each vowel in the word TEACHING is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter following it in the English alphabetical order and then arrange the letters in alphabetical order, then which of the following letters will be fourth from the right in the group of letters thus formed?
J
I
F
H
J
In a closed circuit, if 100 coulomb charges flow for a duration of 50 sec, then the current drawn in the circuit is _____.
5 A
0.2 A
0.5 A
2 A
5 A
JGLI is related to NKPM in a certain way based on the English alphabetical order. In the same way, OLQN is related to SPUR. To which of the following options is LINK related, following the same logic?
PMRO
PMOR
MPRO
MPOR
PMRO
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is same as that on the right side of ::?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
X : 243 :: 17 : Y
X = 31, Y = 169
X = 27, Y = 156
X = 25, Y = 171
X = 34, Y = 148
X = 31, Y = 169
The Federation of International Hockey (FIH) Men's World Cup 2023 was conducted in ______.
Amaravati, Andhra Pradesh
Kochi, Kerala
Rourkela, Odisha
Patna, Bihar
Amaravati, Andhra Pradesh
If ‘P’ stands for ‘×’, ‘Q’ stands for ‘÷’, ‘R’ stands for ‘−’ and ‘S’ stands for ‘+’, what will come in place of question mark ‘?’ in the following equation?
15P6R11P4S38R41S2P5=?
61
41
49
53
61
Which cell has changing shapes?
Smooth Muscle
Ovum
Amoeba
Nerve cell
Smooth Muscle
Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which pair does not belong to that group?
(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster.)
PV-XR
DJ-LF
CH-MR
GM-OI
PV-XR
Who among the following has received the Vigyan Ratna Award in Rashtriya Vigyan Puraskar 2024?
Prof. Umesh Varshney
Dr. Avesh Kumar Tyagi
Dr. Anandharamakrishnan C
Prof. Govindarajan Padmanabhan
Prof. Umesh Varshney
A shopkeeper, on selling a pan for ₹10, loses of what it cost him. The cost price of a pan is:
10
11
9
12
10
What is/are the product(s) of the reaction between an acid and a base?
Both Salt And Hydrogen Gas
Only water
Only salt
Both salt and water
Both Salt And Hydrogen Gas
The length, the breadth and the height of a closed cuboidal box are 2.5 m, 2 m and 90 cm, respectively. What would be the cost of a canvas needed to cover this box completely, if the cost of the canvas is ₹70 per m2?
1507
1267
1448
1348
1507
According to the latest NSSO consumer expenditure survey conducted in 2024, what is the reported poverty rate in India?
10%-15%
Below 5%
Below 10%
Above 15%
10%-15%
In a quadrilateral PQRS, if the sum of measures of angles ∠Q and ∠S is 150° while the measures of angles ∠P and ∠R are in ratio 4 : 3, then the measure of ∠R will be
120
90
210
150
120
The average monthly salary of a person for the months of January, February, March and April is ₹8,000 and that for the months of February, March, April and May is ₹8,500. If his salary for the month of May is ₹6,500, find his salary for the month of January.
4500
5000
2500
3000
4500
Which legendary musician, known for his work in films like 'Amar Akbar Anthony' and 'Bobby', was awarded the Padma Bhushan on Republic Day 2024?
Pyarelal Sharma
Laxmikant Shantaram Kudalkar
RD Burman
Ilaiyaraaja
Pyarelal Sharma
In a certain code language, ‘towards the end’ is coded as ‘mb rh gp’ and ‘end it here’ is coded as ‘hk mb bl’. What is the code for ‘end’ in the given code language?
gp
hk
mb
bl
gp
Which two numbers should be interchanged to make the given equation correct?
56 + 18 - 11 × 3 + 4 × (66 ÷ 2) + 22 = 151
((Note: Interchange should be done of entire number and not individual digits of a given number.): Interchange should be done of entire number and not individual digits of a given number.)
3 and 2
11 and 22
18 and 11
56 and 66
3 and 2
Study the given table and answer the question that follows.
The table depicts the number of tickets sold on Friday and Saturday by cash and online mode for a cricket match.
| Days | Number of tickets sold (cash) | Number of tickets sold (online) |
|---|---|---|
| Friday | 725 | 525 |
| Saturday | 1000 | 3000 |
How many tickets were sold in total on Friday by cash and online together?
1150
1250
1350
1050
1150
How many water molecules are required to react with three molecules of the iron atom to form Fe3O4?
4
3
1
2
4
Which of the following examples shows that particles of matter have enough space between them?
Boiling of water
Potassium permanganate got evenly distributed in water
Breaking of iron nail
Lighting incense stick
Boiling of water
The HCF of 450, 1500, and 1650 is:
50
200
100
150
50
In the word DYNAMIC, each letter of the word is changed to the letter immediately succeeding it in the English alphabetical order and then the new group of letters thus formed is rearranged according to the English alphabetical order. Which letter is first to the right in the new rearranged group of letters?
E
D
B
Z
E
The average of the first five multiples of 3 is:
9
3
12
15
9
Evaluate the given expression.
12+18/3
22
12
18
10
22
A train travelling at a speed of 72 km/h crosses a pole in 24 sec. What is the length of the train?
300m
125m
150m
480m
300m
In the address regarding the Union Budget 2024, the Finance Minister highlighted key areas of focus for the upcoming year.
Which of the following sectors was emphasised?
Infrastructure, Technology, Tourism and Environment
Education, Sports, Culture and Entertainment
Agriculture, Defense, Space and Healthcare
Employment, Skilling, MSMEs and the Middle Class
Infrastructure, Technology, Tourism and Environment
Which of the following statements is correct?
The weight of a given object is 6 times higher on the moon as compared to its weight on the earth.
The weight of a given object is the same when we measure it on the earth or moon.
The weight of a given object is 6 times higher on the earth as compared to its weight on the moon.
The weight of a given object is 2 times higher on the earth as compared to its weight on the moon.
The weight of a given object is 6 times higher on the moon as compared to its weight on the earth.
Seven boxes A, B, C, D, E, F and G are kept one over the other but not necessarily in the same order. A is kept second from the bottom. Only three boxes are kept between E and G. G is not kept at the top-most position. F is kept immediately above C. C is kept immediately above E. B is not kept fourth from the top.
How many boxes are kept between C and A?
1
2
4
3
1
Large number of impurities present in ore, such as sand, soil, etc., is called
Gangue
Wrought
Spongy
Hardness of ore
Gangue
Which Indian city recorded the highest PM2.5 level in 2023, making it the most polluted metropolitan area globally?
Greater Noida
Guwahati
New Delhi
Begusarai
Greater Noida
A + B means "A is the mother of B"
A - B means "A is the brother of B"
A × B means "A is the wife of B"
A ÷ B means "A is the father of B"
A # B means "A is the daughter of B"
How is P related to K if "Q - S + P - T # R ÷ K"?
Brother
Sister
Father
Mother
Brother
What determines the pattern of the magnetic field generated by a current through a conductor?
Material of the conductor
Direction of the current
Shape of the conductor
Colour of the conductor
Material of the conductor
According to the second law of motion, the rate of change of momentum is proportional to _____.
force
displacement
inertia
energy
force
Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
Statements:
All doors are gates.
No door is a lock.
Conclusion:
(I) Some locks are gates.
(II) No lock is a door.
Only conclusion (I) follows.
Only conclusion (II) follows.
Both conclusions (I) and (II) follow.
Neither conclusion (I) nor (II) follows.
Only conclusion (I) follows.
If each of the letters in the word CONAGE is arranged in the English alphabetical order, then how many letters are there in the English alphabetical series between the letter which is fourth from the left and the one which is fourth from the right in the new letter-cluster thus formed?
Two
Five
Four
One
Two
Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.
Statements:
Some microphones are speakers.
No speaker is a piano.
Conclusions:
(I) No microphone is a piano.
(II) Some speakers are microphones.
Neither conclusion (I) nor (II) follows
Only conclusion (I) follows
Both conclusions (I) and (II) follow
Only conclusion (II) follows
Neither conclusion (I) nor (II) follows
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