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Question : In a particular trophic level, how is the standing crop measured?
Option 1: As biomass
Option 2: As gross productivity
Option 3: As net productivity
Option 4: As pyramid of energy
Correct Answer: As biomass
Solution : The correct option is biomass.
Biomass can be quantified by weighing the total dry weight of all organisms in that trophic level per unit area. These measurements help ecologists assess the amount of living material or energy present at each trophic level.
Question : Comprehension: In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
The study, published today in a magazine, finds that kids (1) ________ played only individual sports, like tennis or gymnastics, tended to (2) _________ more mental health difficulties. As a researcher, Hoffmann has long been interested in how sports (3) ________the psychological health of young people, partly because studies have (4) __________both positive and negative associations between mental health and sports (5) _________in children and adolescents.
Question: Select the most appropriate option to fill in the blank No. 5.
Option 1: establishment
Option 2: remuneration
Option 3: participation
Option 4: celebration
Correct Answer: participation
Solution : The third option is the correct choice.
In the context of the sentence, participation means taking part in or engaging in an activity, aligning with the context of sports and mental health.
The meanings of the other options are as follows:
Question : Study the below pie chart and answer the question the following question: If the pie chart shows the distribution of 36 marbles among 3 persons, then the number of marbles Madhuri has is:
Option 1: 12
Option 2: 8
Option 3: 16
Option 4: 18
Correct Answer: 18
Solution : Given: The pie chart shows the distribution of 36 marbles among 3 persons. In 360°, 36 marbles are distributed. So, in 1°, number of marbles = $\frac{36}{360°}$. Then, the number of marbles Madhuri has is $\frac{36}{360°}$ × 180° = 18 marbles Hence, the correct answer
Question : Identify the segment in the sentence which contains a grammatical error. If there is no error, select 'No error'.
If you study hard, you surely got selected for the scholarship.
Option 1: for the scholarship.
Option 2: you surely got selected
Option 3: No error
Option 4: If you study hard
Correct Answer: you surely got selected
Solution : The second option is correct.
Question : ____________is the difference between the government's total expenditure and its total receipts, excluding borrowings.
Option 1: Credit flow
Option 2: Fiscal deficit
Option 3: Debt burden
Option 4: Market equilibrium
Correct Answer: Fiscal deficit
Solution : The correct answer is Fiscal deficit.
The difference between the government's total revenue (taxes and non-debt capital receipts) and total expenses is known as the fiscal deficit. A persistently high budget deficit indicates overspending by the government. The government borrows money to cover its
Question : The value of gas constant R in Ergs deg -1 mole-1 is
Option 1: 8.31410 X 107
Option 2: 8.454 X 107
Option 3: 8.413 X 107
Option 4: 4.183 X 107
Correct Answer: 8.31410 X 107
Solution : The correct option is 8.31410 x 107.
The value of the gas constant R in ergs per degree per mole (ergs deg-1 mole-1) is approximately 8.31410 x 107 ergs deg-1 mole-1. This gas constant
Question : Directions: Rita travelled 35 km from a point towards the south and then turned left and travelled 20 km and finally turned left again and travelled 35 km. In which direction is she from the starting point?
Option 1: East
Option 2: West
Option 3: North
Option 4: South
Correct Answer: East
Solution : Firstly, we will draw the diagram as per the given instructions – Now, we have to find in which direction is Rita from the starting point.
Here A is the starting position and D is the end point.
So, Rita is in the east direction
Question : What is the product formed when CH3CH2OH reacts with O2?
Option 1: H2O+ heat
Option 2: CO2 + H2O + heat and light
Option 3: CO2 + H2O
Option 4: CO2 + heat and light
Correct Answer: CO2 + H2O + heat and light
Solution : The correct option is CO2 + H2O + heat and light.
When Ethanol (CH3CH2OH) reacts with oxygen (O2) in the presence of a suitable catalyst, combustion
Question : What are lipids?
Option 1: Lipids are monosaccharides
Option 2: Lipids do not provide energy to cells
Option 3: Fruits are a good source of lipids
Option 4: Cholesterol and trans fatty acids are types of lipids
Correct Answer: Cholesterol and trans fatty acids are types of lipids
Solution : The correct option is Cholesterol and trans fatty acids are types of lipids.
Cholesterol and trans fatty acids are distinct types of lipids. Cholesterol is a lipid present in animal-based food and synthesised by the body
Question : An arc on a circle, whose length is 19.25 cm, subtends an 18° angle at the centre. What is the area of the circle? [Use $\pi = \frac{22}{7}$]
Option 1: 11796.625 cm2
Option 2: 11786.625 cm2
Option 3: 11780.625 cm2
Option 4: 11790.625 cm2
Correct Answer: 11790.625 cm2
Solution : Here, $2 × \pi × r × \frac{\theta }{360°} = 19.25$ Where $r$ is the radius and $\theta$ is the central angle of the arc. ⇒ $2 × \frac{22}{7} × r × \frac{18 }{360} = 19.25$ ⇒ $r = \frac{35 × 7}{4} =
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