When a frying pan containing cooking oil is kept for long on a burning stove then cooking oil catches fire because-

Its temperature is reached to its ignition temperature.

Its temperature is lower than its ignition temperature.

Its temperature is reached to its ignition temperature.

Its temperature is lower than critical temperature.

Its temperature is higher than critical temperature.

NTSE Quiz

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Priyabhide4

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Quizzes Created: 6 | Total Attempts: 6,847

Questions: 6 | Attempts: 1,113 | Updated: Mar 21, 2023

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Questions and Answers

1.

The names of the planets in order of increasing distances from the sun are :
- A.
  
  Earth, jupiter, mars
- B.
  
  Jupiter, mars, earth
- C.
  
  Jupiter, earth, mars
- D.
  
  Earth, mars, jupiter
Correct Answer
D. Earth, mars, jupiter

Explanation
The correct answer is earth, mars, jupiter. The planets in our solar system are arranged in order of increasing distance from the sun. Earth is the third planet from the sun, Mars is the fourth, and Jupiter is the fifth. Therefore, the correct order is earth, mars, jupiter.

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2.

When a frying pan containing cooking oil is kept for long on a burning stove then cooking oil catches fire because-
- A.
  
  Its temperature is lower than its ignition temperature.
- B.
  
  Its temperature is reached to its ignition temperature.
- C.
  
  Its temperature is lower than critical temperature.
- D.
  
  Its temperature is higher than critical temperature.
Correct Answer
B. Its temperature is reached to its ignition temperature.

Explanation
When a frying pan containing cooking oil is kept for a long time on a burning stove, the temperature of the oil gradually increases. As the temperature rises, it eventually reaches the ignition temperature of the oil. At this point, the oil can catch fire spontaneously, without the need for an external ignition source. Therefore, the correct answer is that the temperature of the oil is reached to its ignition temperature.

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3.

In a mixture of 120 litres, the ratio of milk and water is 2 : 1. If the ratio of milk and water is 1 : 2 , then the amount of water (in litres) is required to be added is :
- A.
  
  20
- B.
  
  40
- C.
  
  80
- D.
  
  120
Correct Answer
D. 120

Explanation
The initial ratio of milk to water is 2:1, which means there are 80 liters of milk and 40 liters of water in the mixture. If the ratio is changed to 1:2, it means there should be 40 liters of milk and 80 liters of water in the mixture. Since there is already 80 liters of milk in the mixture, we need to add 40 liters of water to achieve the desired ratio. Therefore, the amount of water required to be added is 40 liters.

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4.

The basic difference between a living and non living is -
- A.
  
  Presence of cytoplasm
- B.
  
  Presence of protoplasm
- C.
  
  Presence of mitochondria
- D.
  
  None of these
Correct Answer
B. Presence of protoplasm

Explanation
The presence of protoplasm is the basic difference between a living and non-living entity. Protoplasm is the living substance within a cell that contains various organelles and is responsible for carrying out the cell's functions. Non-living entities do not have protoplasm as they lack the ability to carry out essential life processes. Therefore, the presence of protoplasm distinguishes living organisms from non-living objects.

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5.

What is the term of Vice President ?
- A.
  
  3 years
- B.
  
  4 years
- C.
  
  6 years
- D.
  
  5 years
Correct Answer
D. 5 years

Explanation
The term of the Vice President is 5 years.

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6.

190, 94, 46, 22, 10, 4, (?)
- A.
  
  3
- B.
  
  2
- C.
  
  1
- D.
  
  0
Correct Answer
C. 1

Explanation
The given sequence follows a pattern of dividing each number by 2 and subtracting 2 from the result to get the next number. Starting with 190, we divide by 2 and subtract 2 to get 94, and so on. Therefore, the missing number in the sequence is obtained by dividing 4 by 2 and subtracting 2, which gives us 1.

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NTSE Quiz

The names of the planets in order of increasing distances from the sun are :

When a frying pan containing cooking oil is kept for long on a burning stove then cooking oil catches fire because-

In a mixture of 120 litres, the ratio of milk and water is 2 : 1. If the ratio of milk and water is 1 : 2 , then the amount of water (in litres) is required to be added is :

The basic difference between a living and non living is -

What is the term of Vice President ?

190, 94, 46, 22, 10, 4, (?)