Questions

Q:

Cactus Spines are Modified 

A) Stems B) Branches
C) Leaves D) Roots
 
Answer & Explanation Answer: C) Leaves

Explanation:
    • Cactus spines are also known as modified bud scales, which are also called modified leaves.

 

    • Cactus spines occur in clusters in the axil of leaves.

 

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Filed Under: General Awareness
Exam Prep: Bank Exams , AIEEE
Job Role: Bank PO

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Q:

A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is 

A) greater than the weight of the man B) less than the weight of the man
C) Same as the weight of the man D) Zero
 
Answer & Explanation Answer: A) greater than the weight of the man

Explanation:

The weight of the man mg is acting on the floor. As the lift is moving up with an acceleration, say a, the man too in it is having this acceleration. The force producing this acceleration is ma. By Newton's third law, this force will have an equal reaction pressing the floor equal to ma. Therefore the total resultant reaction on the floor is mg+ma = m(g+a) which is mg, the weight of the man. So (a) is correct.

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Filed Under: Physics

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Q:

Which of the statements given below are correct?

A) Rafael Nadal won the Tennis 2017 Australian Open Men's Singles.

B) In 2017, Virat Kohli captained the IPL team Royal Challengers Bangalore.

C) Serena Williams won the Table Tennis 2017 ITTF World Tour Grand Finals Women's Singles

 

A) Only A B) Only B
C) Both A and C D) None of these
 
Answer & Explanation Answer: B) Only B

Explanation:
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Filed Under: Sports
Exam Prep: Bank Exams

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Q:

The world's largest delta system is the _________

A) The Nile, Egypt B) Ganges-Brahmaputra, India/ Bangladesh
C) The Mississippi, USA D) The Amazon , Brazil
 
Answer & Explanation Answer: B) Ganges-Brahmaputra, India/ Bangladesh

Explanation:

The Ganges, Brahmaputra delta covers an area of about 75000 sq km.

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Filed Under: World Geography

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Q:

Which would provide the body with the most energy?

A) Breaking a single carbon bond B) Forming bonds between two amino acids
C) Creating bonds to form a carbohydrate D) Breaking the bonds in a monosaccharide
 
Answer & Explanation Answer: D) Breaking the bonds in a monosaccharide

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

What type of bird is on a Canadian $1 coin?

Answer

Common Loon

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Subject: World Geography

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Q:

Train A, travelling at 84 kmph, overtook train B, traveling in the same direction, in 10 seconds. If train B had been traveling at twice its speed, then train A would have taken 22.5 seconds to overtake it. Find the length of train B, given that it is half the length of train A.

A) 180 m B) 100 m
C) 200 m D) 150 m
 
Answer & Explanation Answer:

Explanation:

Let speed of train B be x m/s And length of train B be y m
Then length of train A is 2y m
Speed of train A = 84 × 5/18 = 210/9 m/s = 70/3 m/s
A.T.Q, (2y+y)/10 = 70/3 − x .............(i)
and (2y+y)/ 22.5 = 70/3 − 2x ................(ii)
solving (i) and (ii), y = 50 m

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Q:

The first indian to enter the Indian Civil Service was

A) Gokhale B) Satyendra Nath Tagore
C) Ramanuja D) Rabindranath Tagore
 
Answer & Explanation Answer: B) Satyendra Nath Tagore

Explanation:
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Filed Under: Indian History

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