Exams


Q:

Which bacterium is used to turn milk to curd?

 

A) Streptomyces B) Vibrio
C) Lactobacillus D) Spirilla
 
Answer & Explanation Answer: C) Lactobacillus

Explanation:
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Filed Under: Biology
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2 46048
Q:

An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

A) 1.04 B) 2.04
C) 3.04 D) 4.04
 
Answer & Explanation Answer: D) 4.04

Explanation:

100 cm is read as 102 cm. 

A1 = (100*100)Sq.cm 

A2 = (102*102)Sq.cm

(A2 - A1) = 1022-1002 = (102 + 100) x (102 - 100) = 404 sq.cm.

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Filed Under: Area
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40 46034
Q:

Chauri Chaura is a town located in which Indian state/UT?

 

A) Uttar Pradesh B) Punjab
C) Delhi D) Maharashtra
 
Answer & Explanation Answer: A) Uttar Pradesh

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Filed Under: Indian Geography
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5 45981
Q:

What is the simplified value of 

125 - 24 - 124-23+123 - 22 - 122 - 21+ 121 - 20 ?

A) 5 + 2√5 B) 5 – 5√2
C) √25 + √21 D) √25 – 4
 
Answer & Explanation Answer: A) 5 + 2√5

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Filed Under: Simplification
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0 45913
Q:

Which group in the modern periodic table contains elements that are inert gases? 

 

A) Group 16    B) Group 18 
C) Group 17  D) Group 15
 
Answer & Explanation Answer: B) Group 18 

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Filed Under: Chemistry
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1 45868
Q:

Which state is in the eastern most state of India

A) Assam B) Nagaland
C) Arunachal Pradesh D) Manipur
 
Answer & Explanation Answer: C) Arunachal Pradesh

Explanation:

Arunachal Pradesh is the eastern most state of India.

Which_state_is_in_the_eastern_most_state_of_India1536034869.jpg image

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Filed Under: Indian Geography
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172 45855
Q:

Which shows the order in which vertebrates evolved?

 

 

A) fish, reptiles, amphibians, birds, mammals   B) amphibians, fish, reptiles, birds, mammals  
C) amphibians, fish, birds, reptiles, mammals   D) fish, amphibians, reptiles, birds, mammals
 
Answer & Explanation Answer: D) fish, amphibians, reptiles, birds, mammals

Explanation:
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Filed Under: Biology
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3 45820
Q:

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday ?

A) 34 B) 36
C) 38 D) 40
 
Answer & Explanation Answer: A) 34

Explanation:

M + Tu + W + Th = 4 x 48 = 192
Tu + W + Th + F = 4 x 46 = 184
M = 42
Tu + W + Th = 192 - 42 = 150
F = 184 – 150 = 34

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Filed Under: Average
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62 45802