Questions

Q:

Permanent Hardness of water can be removed by adding

A) Bleaching powder B) Chlorine
C) Wasshing soda D) Potassium permanganate
 
Answer & Explanation Answer: C) Wasshing soda

Explanation:

Hardness can be removed by adding sodium carbonate (washing soda) or by passing the water through an ion-exchange column.

 

Hardness in water is caused by dissolved magnesium ions and calcium ions. These can get into the water when it comes into contact with limestone and other rocks that contain calcium compounds. This can happen, for example, when rainwater flows over these rocks on its way to a reservoir.

 

Hardness in water is of two types. They are :

1. Temporary hardness

2. Permanent hardness

 

1. Temporary hardness:: Temporary hardness is caused by dissolved calcium hydrogen carbonate.


2. Permanent hardness:: Permanent hardness is caused by dissolved calcium sulfate. Unlike temporary hardness, it is not removed by boiling the water.

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Filed Under: Chemistry
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Q:

Read each sentence to find out whether there is any error in any part

Pay attention(a) to what(b) I am saying(c). No error.(d)

A) a B) b
C) c D) d
 
Answer & Explanation Answer: D) d

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives.


Eight north Indian Ocean countries, namely, Bangladesh, India, the Maldives, Myanmar, Oman, Pakistan, Sri Lanka and Thailand, were asked to contribute names so that a combined list could be compiled. Each country gave eight names and a combined list of 64 names was prepared. This list is currently in use, and all cyclones arising in the north Indian Ocean are named from this list, with one name from each country being used in turn. Almost 38 or 39 names from the list have been used up, but since many cyclones dissipate long before they hit land, their names rarely figure in the papers or other media. The names that people do know about, and remember are, naturally, those that were most destructive ones, or very recent. Aila, in 2009 is remembered with a shudder for the enormous destruction it caused in West Bengal and Bangladesh; Phaillin, also for the damage it caused when it hit the Odisha coast in 2013. Two harmless cyclones, which also might remain in people’s memory, are the more recent ones of 2014 — Hudhud, which threatened the east coast of India and Nilofar, which was expected to, but did not, devastate the western coast. The names in the cyclone list are usually words one associates with storms; words which mean water or wind or lightning in various national languages. Sometimes they are names of other things — birds or flowers or precious stones. The name ‘Aila’, contributed by the Maldives means ‘fire’, the name ‘Phaillin’ from Thailand means sapphire, the name ‘Hudhud’ from Oman is the name of a bird, probably the hoopoe, and the name ‘Nilofar’, given by Pakistan, is the Urdu name of the lotus or water lily. The eight names suggested by India, and which are in the list of 64, are Agni, Akaash, Bijli, Jal, Leher, Megh, Sagar and Vayu, meaning in that order, fire, sky, lightning, water, wave, cloud, sea and wind. Five of these names (that is, up to Leher) have been used so far.


Which country did not contribute to the list of the cyclone names?

A) Oman B) Pakistan
C) Bangladesh D) Yemen
 
Answer & Explanation Answer: D) Yemen

Explanation:
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Q:

B.C.Roy Award is given in the field of

A) Journalism B) Medicine
C) Music D) Environment
 
Answer & Explanation Answer: B) Medicine

Explanation:
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32 21399
Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives.


Manja, or the glass-coated string used for flying kites, not only poses threat to humans, animals and birds but also to trees. A study by the country's oldest botanical garden has revealed that it poses a great threat to trees. But how can a snapped string struck in a tree kill the tree? Apparently, it does so by allying with the creepers in the garden.


A research paper by three scientists of the Acharya Jagdish Chandra Bose Indian Botanic Garden, located in West Bengal's Howrah district, illustrates in detail how the manja, in collusion with climbers, does the damage. "The abandoned, torn kite strings act as an excellent primary supporting platform for the tender climbers, giving easy passage to reach the top of the trees. Lateral branches from the top of the climber and other accessory branches from the ground reaches the top taking support of the first climber, completely covers the treetop, thus inhibiting the penetration of sunlight," says the research paper.


What would be the acronym for India's oldest botanical garden?

 

A) AJCBIBG B) AJCBBGI
C) AJBCIBG D) AJBCBGI
 
Answer & Explanation Answer: A) AJCBIBG

Explanation:
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Q:

Improve the bracketed part of the sentence.

Our biological knowledge of even some of the commonest animals is (embarrassed) slight and it is here that zoos can be of inestimable value in amassing information.

A) embarrass B) embarrassingly
C) embarrassing D) No improvement
 
Answer & Explanation Answer: B) embarrassingly

Explanation:
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0 21360
Q:

What is the best definition of an Incident Model?

A) A type of Incident involving a standard (or model) type of Configuration Item (CI) B) A set of pre-defined steps to be followed when dealing with a known type of Incident
C) The template used to define the Incident logging form used to report Incidents D) An Incident that is easy to solve
 
Answer & Explanation Answer: B) A set of pre-defined steps to be followed when dealing with a known type of Incident

Explanation:
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Filed Under: ITIL Certification

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Q:

Part IV of Constitution of India deals with

A) Fundamental Rights B) Citizenship
C) Directive Principles of state Policy D) Union Executive
 
Answer & Explanation Answer: C) Directive Principles of state Policy

Explanation:

Part_IV_of_Constitution_of_India_deals_with1556274385.jpg image

 

Part IV of Constitution of India deals with Directive Principles of state Policy.

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Filed Under: Indian Politics
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