# NTSE Quiz Number 2

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• 1.

### 20 Joules work is done in displacing a body by 4 metre in the direction of the force. The value of the force applied (in newton) is :

• A.

4

• B.

5

• C.

24

• D.

80

B. 5
Explanation
The work done is calculated using the formula W = F * d, where W is the work done, F is the force applied, and d is the displacement. In this case, the work done is given as 20 Joules and the displacement is 4 meters. Plugging these values into the formula, we get 20 = F * 4. Solving for F, we find that the force applied is 5 Newtons.

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• 2.

### Heating of coal in absence of air results in the formation of -

• A.

Carbon dioxide.

• B.

Coke, coal gas and coal tar.

• C.

Marsh gas.

• D.

Carbon monoxide.

B. Coke, coal gas and coal tar.
Explanation
Heating coal in the absence of air leads to the formation of coke, coal gas, and coal tar. This process is known as destructive distillation, where coal is heated in a closed container to break it down into different components. Coke is a solid residue that is left behind and is used as a fuel in industries. Coal gas is a mixture of various gases, including methane, hydrogen, and carbon monoxide, which can be used as a fuel or for producing chemicals. Coal tar is a thick, black liquid that is used in the production of various chemicals and materials.

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• 3.

### Sheela buys 2 books for Rs. 182. She sells one at a loss of 5% and another at a profit of 8% . But she neither gains nor loses on the whole. Find the price of book which has sold at a profit -

• A.

112

• B.

85

• C.

70

• D.

120

C. 70
Explanation
Let's assume the cost price of the book sold at a loss is x. Since Sheela sells it at a loss of 5%, the selling price of this book would be 0.95x.

Now, let's assume the cost price of the book sold at a profit is y. Since Sheela sells it at a profit of 8%, the selling price of this book would be 1.08y.

According to the given information, the total selling price of both books is Rs. 182. So, we can write the equation: 0.95x + 1.08y = 182.

Since Sheela neither gains nor loses on the whole, the total cost price of both books should be equal to the total selling price. So, we can write another equation: x + y = 182.

By solving these two equations, we can find the values of x and y. Substituting the values in the equation 1.08y = 182 - x, we can find y. The price of the book sold at a profit is 70.

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• 4.

### Study of cells in all aspects is :

• A.

Cytotaxonomy

• B.

Cytology

• C.

Cell Biology

• D.

Cytochemistry.

C. Cell Biology
Explanation
Cell Biology is the correct answer because it refers to the study of cells in all aspects. It encompasses the study of cell structure, function, and processes, including cell division, metabolism, and interaction with their environment. Cell Biology is a broad field that explores the fundamental unit of life, the cell, and its role in various biological processes.

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• 5.

### Rajya Sabha can delay the money bill maximum for 

• A.

One mouth

• B.

Two month

• C.

Six month

• D.

14 days

D. 14 days
Explanation
The Rajya Sabha can delay the money bill for a maximum of 14 days. This is because as per the Constitution of India, the Rajya Sabha has limited powers when it comes to money bills. It can only recommend amendments to the bill, but it cannot reject or delay it for more than 14 days. This provision ensures that the Lok Sabha, which represents the will of the people, has the final say on matters of financial legislation.

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• 6.

### 2,7,4, (?), 8, 32, 16, 52

• A.

15

• B.

16

• C.

17

• D.

18

C. 17
Explanation
The pattern in the given sequence is not immediately obvious. However, upon closer inspection, it can be observed that each number in the sequence is obtained by multiplying the previous number by a certain value and then adding a constant. In this case, it appears that the pattern is to multiply the previous number by 2 and then subtract 1. Applying this pattern to the number 4, we get (4*2)-1=7. Similarly, applying the pattern to 7, we get (7*2)-1=13. Therefore, the missing number in the sequence is 13+4=17.

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• Current Version
• Mar 22, 2023
Quiz Edited by
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• Aug 23, 2011
Quiz Created by
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