General Knowledge Questions Answer GK Quiz

GK General Knowledge - Biology Question Answer Quiz

Q. Smog is essentially caused by the atmospheric presence of -
1) Oxygen and ozone
2) Ozone and nitrogen
3) Oxygen and nitrogen
4) Oxide of nitrogen and sulfur

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Q. Which of the following is associated with biological nitrogen fixation?
1) Red algae
2) Brown algae
3) Green algae
4) Blue-green algae

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Q. The amount of energy during transfer from one tropic level to another in an ecosystem -
1) Increases
2) Decreases
3) Remains constant
4) May increase or decrease

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Q. 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.
Select the correct answer using the codes given below -
Codes :

1) Both (A) and (R) are true and (R) is the correct explanation of (A)
2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
3) (A) is true, but (R) is false
4) (A) is false, but (R) is true

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Q. Mother's milk provides almost complete diet to the new-born, but it lacks the following -
1) Iron
2) Calcium
3) Magnesium
4) Potassium

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Q. Which of the following statements about enzymes is/ are correct?
1. They are biocatalysts.
2. They perform their action on the site where they are produced.
Select the correct answer from the codes given below -
Codes :

1) 1 only
2) 2 only
3) Both 1 and 2
4) Neither 1 nor 2

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Q. Given below are two statements, one labelled as Assertion (A) and the other as Reason (R) :
Assertion (A) : Most of the vitamins are not synthesised in human body.
Reason (R) : Human organs synthesis only essential micro nutrients.
Select the correct answer from the codes given below -
Codes :

1) Both (A) and (R) are true and (R) is the correct explanation of (A)
2) Both (A) and (R) are true but (R) is not the correct explanation of (A)
3) (A) is true, but (R) is false
4) (A) is false, but (R) is true

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Q. Use of polished rice in human diet causes the following disease -
1) Beriberi
2) Goitre
3) Night blindness
4) Colour blindness

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Q. Which of the following statement is not true?
1) Species diversity increases from equator towards poles
2) Tropics harbour more species than temperate areas
3) Greatest biodiversity occurs in Amazonean rain forest
4) Species diversity decreases from temperate areas towards poles

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Q. The environment modified by human activities is called -
1) Natural environment
2) Anthropogenic environment
3) Urban environment
4) Modem environment

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