reading comprehension Practice Questions Answers Test with Solutions & More Shortcuts

DIRECTIONS:

A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives.

PASSAGE

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 nonREM (random eye movement) sleep, as well as REM sleep after a stressful event," said Robert Thompson, a PhD researcher at the 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 byproducts. 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.

Question : 31

What are prebiotics?

a) Bacteria

b) Gut microbiota

c) Dietary fibres

d) Foods like artichokes

Answer: (c)

Question : 32

What type of sleep is restorative?

a) REM

b) ECG

c) NREM

d) EEG

Answer: (c)

Question : 33

How are metabolic byproducts released?

a) When good bacteria digest dietary fibres

b) After recovery from stress due to sleep

c) When good bacteria help sleep

d) When gut becomes rich in nutrients

Answer: (a)

Question : 34

How can sleep wake cycles be monitored?

a) By allowing REM and NREM sleep

b) By recording body temperature

c) By testing brain power

d) By using EEG

Answer: (d)

Question : 35

What is chow?

a) A class of nutrients

b) Sleep enhancer

c) Type of dietary fibre

d) Rat food

Answer: (d)

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