Science Quiz: Day: 110

September 19, 2022

Which of the following organisms has white blood?

(A) Lizard
(B) Cockroach
(C) House bug
(D) Mosquito

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Answer – B

Use of polished rice in human diet causes the following disease

(A) Beriberi
(B) Goitre
(C) Colour blindness
(D) Night blindness

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Answer – A

Which of the following pairs is NOT correctly matched?

(A) Vitamin - Vitamin B6 Rich Source - Rice bran
(B) Vitamin - Vitamin B2 Rich Source - Cod-liver oil
(C) Vitamin - Vitamin E Rich Source - Wheat germ oil
(D) Vitamin - Vitamin K Rich Source - Alfalfa

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Answer – B

Mother's milk provides almost complete diet to the new-born, but it lacks the following

(A) Iron
(B) Calcium
(C) Magnesium
(D) Potassium

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Answer – A

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R) Assertion (A) : Maximum number of the species of butterflies are found in tropical countries. Reason (R) : Butterflies can not tolerate low temperatures.

(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true but (R) is not the correct explanation of (A)
(C) (A) is true but (R) is false
(D) (A) is false but (R) is true

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Answer – A

Which of the following is associated with biological nitrogen fixation?

(A) Red algae
(B) Brown algae
(C) Green algae
(D) Blue Green Algae

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Answer – D

The by-product of photosynthesis is

(A) Carbon dioxide
(B) Oxygen
(C) Energy
(D) Sugar

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Answer – B

In persons addicted to alcohol, the liver gets damaged because it

(A) Has to detoxify the alcohol.
(B) Stores excess of glycon.
(C) Is over stimulated to secrete more bile.
(D) Accumulates excess of fats.

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Answer – D

With the exception of the brain, the liver is the most complex organ in the body.
Its functions include:
filtering toxins from the blood
aiding digestion of food
regulating blood sugar and cholesterol levels
helping fight infection and disease
The liver is very resilient and capable of regenerating itself. Each time your liver filters alcohol, some of the liver cells die.
The liver can develop new cells, but prolonged alcohol misuse (drinking too much) over many years can reduce its ability to regenerate. This can result in serious and permanent damage to your liver.

Which one of the following statements is correct?

(A) Bacteria contain cytoplasm but viruses do not
(B) Bacteria contain mitochondria but viruses do not
(C) Viruses contain mitochondria but bacteria do not
(D) Viruses have a cell membrane but bacteria do not

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Answer – A

Which one of the following will happen if the medium surrounding the cell has a higher concentration than the cell ?

(A) The cell will gain water
(B) The cell will die
(C) There will be no change
(D) The cell will lose water

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Answer – D