Questions

Q:

Sharad Joshi Samman is awarded for

A) Social Service B) Trade Union activity
C) Cartoon D) Satire and essay
 
Answer & Explanation Answer: D) Satire and essay

Explanation:
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Filed Under: Honours and Awards

45 21153
Q:

Statement I :

Bioaccumulation is a process of progressive accumulation of heavy metals and pesticides in an organism.

Statement II :

Large fishes of the pond are found to have higher concentration of pesticides than planktons of the same pond.

 

A) Both the statements are individually true and Statement II is the correct explanation of Statement I B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false D) Statement I is false but Statement II is true
 
Answer & Explanation Answer: B) Both the statements are individually true but Statement II is not the correct explanation of Statement I

Explanation:

Bioaccumulation is defined as the increase in concentration of a substance(s) in an organism or a part of that organism.

The affected organism has a higher concentration of the substance than the concentration in the organism's surrounding environment.

For the second statement: Microorganisms eat pesticide infected things. Invertebrates eat hundreds of the microorganisms and plants infected with the pesticides, accumulating a pretty large amount of the toxin in them.

The invertebrates are generally then eaten by larger invertebrates or amphibians, which ingest hundreds of similar organisms, accumulating an even higher concentration of toxins in their bodies. Then the fish eat hundreds of these organisms, accumulating the highest concentration of toxins in themselves.

 

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Filed Under: Biology
Exam Prep: Bank Exams

1 21106
Q:

Select the antonym of

to abnegate

 

A) to eject B) to evict
C)  to admit D) to bounce
 
Answer & Explanation Answer: C)  to admit

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Filed Under: English
Exam Prep: Bank Exams

0 21093
Q:

Which country has "This is the root of all evil" written on its coins?

A) Italy B) Vatican City
C) Cuba D) Russia
 
Answer & Explanation Answer: B) Vatican City

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Filed Under: General Awareness

135 21081
Q:

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


Prebiotics are the lesser-known gut-health promoters which serve as food for good bacteria inside the gut. "We found that dietary prebiotics can improve non-REM (random eye movement) sleep, as well as REM sleep after a stressful event," said Robert Thompson, a PhD researcher at University of Colorado Boulder in the U.S. Prebiotics are dietary fibres found naturally in foods like artichokes, raw garlic, leeks and onions.

When beneficial bacteria digest prebiotic fibre, they not only multiply, improving overall gut health, but they also release metabolic by-products. Researchers fed three-week-old male rats a diet of either standard chow or chow that included prebiotics. They then monitored the rats' body temperature, gut bacteria and sleep-wake cycles — using electroencephalogram (EEG), or brain activity testing over time. Findings revealed that the rats on the prebiotic diet spent more time in non-rapid-eye-movement (NREM) sleep, which is restful and restorative, than those on the non-prebiotic diet.


What type of sleep is restorative?

A) NREM B) REM
C) EEG D) ECG
 
Answer & Explanation Answer: A) NREM

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Filed Under: English
Exam Prep: Bank Exams

0 21077
Q:

__________ is called the 'low country' of the earth

 

A) Spain B) Holland
C) Italy D) Hungary
 
Answer & Explanation Answer: B) Holland

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Filed Under: World Geography

18 21067
Q:

The celebrated Novel 'The Godfather' was authored by

A) John Milton B) Victor Hugo
C) Mario Puzo D) Harold Robbins
 
Answer & Explanation Answer: C) Mario Puzo

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Filed Under: Books and Authors

87 21050
Q:

The first news paper in the world was started by ?

A) Japan B) China
C) USA D) India
 
Answer & Explanation Answer: B) China

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Filed Under: World History

149 21048