Questions

Q:

In plant body, the water and minerals are transported by _______

A) Bast B) Collenchyma
C) parenchyma D) Xylum
 
Answer & Explanation Answer: D) Xylum

Explanation:
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Filed Under: Biology

20 5586
Q:

[(84)2÷28×12] ÷24 =7×?

A) 15 B) 17
C) 19 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams
Job Role: Bank PO

25 5585
Q:

Which of the following groups of rivers in india are likely to show the least erosional activity?

A) Himalayan rivers B) Those rising in the Great Plain of India
C) The thin streams flowing into the Arabian Sea D) The east-ward flowing peninsular rivers
 
Answer & Explanation Answer: D) The east-ward flowing peninsular rivers

Explanation:

The rivers are arranged in the descending order of their erosional activity.

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Filed Under: Indian Geography

9 5582
Q:

Rifath Sharook has designed the world’s lightest satellite “KalamSat”. He hails from which country  ?

A) Russia B) Pakistan
C) Dubai D) India
 
Answer & Explanation Answer: D) India

Explanation:

Indian teen Rifath Sharook from Tamil Nadu has designed the world’s lightest & smallest satellite named “KalamSat”. The satellite weighs only 64 grams and will be launched by NASA on June 21, 2017. With this, he will become the first Indian student to have his experiment launched by NASA. The main role of the satellite will be to demonstrate the performance of 3-D printed carbon fibre. The satellite has been designed in a way which will have a 240-minute mission in space and will operate for 12 minutes in a micro-gravity environment of space.

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

11 5581
Q:

Washing soda is 

A) sodium hydroxide B) sodium carbonate
C) sodium bicorbonate D) Potassium chloride
 
Answer & Explanation Answer: B) sodium carbonate

Explanation:

Sodium hydroxide - NaOH is caustic soda

 

Sodium carbonate - Na2CO3 is washing soda

 

Sodium bicarbonate - NaHCO3  is baking soda 

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Filed Under: Chemistry
Exam Prep: AIEEE

7 5580
Q:

World Tobacco Day is celebrated on _____ ?

A) 30 May B) 31 May
C) 1 June D) 5 June
 
Answer & Explanation Answer: B) 31 May

Explanation:
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10 5579
Q:

A polygenic trait is controlled by 3 genes A, B and C. In a cross AaBbCc x AaBbCc, the phenotypic ratio of the offsprings was observed as 1 : 6 : m : 20 : m : 6 : 1. What is the value of m?

A) 10 B) 15
C) 18 D) 24
 
Answer & Explanation Answer: B) 15

Explanation:

Here crossing is AaBbCc x AaBbCc

As it is trihybrid cross,

we know, Number of zygotes formed = 4n, where n = 3

43 = 64

Given ratio of offsprings = 1 : 6 : m : 20 : m : 6 : 1

Now,  1 + 6 + m + 20 + m + 6 + 1 = 64

34 + 2m = 64

2m = 30

=> m = 15.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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2 5577
Q:

Select the correct statement about the Heart Valves.

A) Aortic and pulmonary valves control the flow of blood into the heart. B) The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.
C) The tricuspid valve divides the left atrium from the left ventricle. D) The mitral valve separates the right atrium from the right ventricle.
 
Answer & Explanation Answer: B) The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.

Explanation:

The correct statement from the given options is

The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.

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

8 5575