What is a hypothesis...? Mcqs

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What is a hypothesis...?

(A) The same thing as an unproven theory
(B) A tentative explanation that can be tested and is falsified

(C) A verifiable observation
(D) A fact based on quantitative data that is falsified

✅ Correct Answer: A tentative explanation that can be tested and is falsified

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Source: This question is taken from the Everyday Science

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During a total solar eclipse the rate of Photosynthesis___________...?

(A) Increase
(B) Decrease

(C) Remain Constant
(D) None of them

✅ Correct Answer: Decrease

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Source: This question is taken from the Everyday Science

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What is an example of a synthesis reaction...?

(A) Water decomposing into Hydrogen and Oxygen
(B) Carbon combining with Oxygen to form Carbon Monoxide

(C) Nitrogen and Oxygen combining to form Nitrogen Dioxide
(D) Hydrogen and Oxygen combining to form water

✅ Correct Answer: Hydrogen and Oxygen combining to form water

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Source: This question is taken from the Everyday Science

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The process of photosynthesis produces glucose and ______...?

(A) Carbon dioxide
(B) Oxygen

(C) Water
(D) Carbo monoxide

✅ Correct Answer: Carbon dioxide

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Source: This question is taken from the Everyday Science

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Recognize the factor which does not affect the process of photosynthesis...?

(A) O2
(B) CO2

(C) H20
(D) Light

✅ Correct Answer: O2

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Source: This question is taken from the Everyday Science

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In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

✅ Correct Answer: give off Carbon Dioxide

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Source: This question is taken from the Everyday Science

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The source of oxygen in photosynthesis is...?

(A) water
(B) salts

(C) minerals
(D) glucose

✅ Correct Answer: water

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Source: This question is taken from the Everyday Science

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Fundamental molecule produced during photosynthesis is ______...?

(A) Glucose
(B) Amino acid

(C) Fatty acid
(D) Nucleotide

✅ Correct Answer: Glucose

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Source: This question is taken from the Everyday Science

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Which of the following gases do plants and trees give out during photosynthesis...?

(A) Hydrogen
(B) Nitrogen

(C) Oxygen
(D) Carbon dioxide

✅ Correct Answer: Oxygen

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Source: This question is taken from the Everyday Science

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Photosynthesis takes place in presence of the following light...?

(A) Only in green light from sun
(B) Only in sunlight from the sun

(C) Only in high intensity of light from the sun
(D) In visible light obtained from any source

✅ Correct Answer: Only in sunlight from the sun

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Source: This question is taken from the Everyday Science

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In which part of the Plant does photosynthesis take place...?

(A) Flowers
(B) Roots

(C) Stem
(D) Leaves

✅ Correct Answer: Leaves

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Source: This question is taken from the Everyday Science

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The association between two different types of organism which get benefit to each other, cannot live without each other is called...?

(A) Parasitism
(B) Commensalism

(C) Mutualism
(D) Predation

✅ Correct Answer: Mutualism

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Source: This question is taken from the Everyday Science

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Which gas is used to extract energy from food in photosynthesis...?

(A) O2 (Oxygen)
(B) CO2 (Carbon Dioxide)

(C) H2O (Water)
(D) N2 (Nitrogen)

✅ Correct Answer: CO2 (Carbon Dioxide)

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Source: This question is taken from the Everyday Science

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The theorem "In a right-angle triangle, the area of the square of the hypotenuse is equal to the sum of the areas of the squares of the other two sides", was discovered by:...?

(A) Archimedes
(B) Pythagoras

(C) Isaac Newton
(D) Socrates

✅ Correct Answer: Pythagoras

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Source: This question is taken from the Everyday Science

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Which one of the following wavelengths of light is most effective in photosynthesis...?

(A) Blue
(B) Green

(C) Orange
(D) Yellow

✅ Correct Answer: Blue

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Source: This question is taken from the Everyday Science

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What is the photosynthesis equation in plants...?

(A) 6CO2 + 6H2O → C6H12O6 + 6O2
(B) 6CO2 + 6H2O → C6H12O6 + 6O3

(C) 6CO2 + 6O2 → C6H12O6 + 6H2O
(D) 6H2O + 6O2 → C6H12O6 + 6CO2

✅ Correct Answer: 6CO2 + 6H2O → C6H12O6 + 6O2

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Source: This question is taken from the Everyday Science

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During the daytime for the photosynthesis, plants require ______...?

(A) O2
(B) N2

(C) CO2
(D) H2

✅ Correct Answer: CO2

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Source: This question is taken from the Everyday Science

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Photosynthesis occurs during day time because it depends on...?

(A) Day activities
(B) Sunlight

(C) Brightness
(D) None

✅ Correct Answer: Sunlight

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Source: This question is taken from the Everyday Science

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Which one of the following affects the photosynthesis and growth of plants...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Acid Rain

✅ Correct Answer: Acid Rain

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Source: This question is taken from the Everyday Science

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Period of extensive metabolic activity, in which cell grow, enzymes are synthesizes...?

(A) S phase
(B) M phase

(C) G2 phase
(D) G1 phase

✅ Correct Answer: G1 phase

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Source: This question is taken from the Everyday Science

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Which of the following blood pressure readings indicates hypotension (low blood pressure)...?

(A) 140/90 mmHg
(B) 120/80 mmHg

(C) 90/60 mmHg
(D) 60/90 mmHg

✅ Correct Answer: 60/90 mmHg

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Source: This question is taken from the Everyday Science

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The materials required for photosynthesis are _______...?

(A) Water (H2O) and Oxygen (O2)
(B) Water (H2O) and Carbon Dioxide (CO2)

(C) Carbon Dioxide (CO2) and Light Energy
(D) Glucose (C6H12O6) and Oxygen (O2)

✅ Correct Answer: Carbon Dioxide (CO2) and Light Energy

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Source: This question is taken from the Everyday Science

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Which of the following strongly supports the endosymbiont hypothesis of eukaryotic evolution...?

(A) Mitochondria and chloroplasts both have DNA
(B) Mitochondria is free living

(C) Both A and B
(D) None of the above

✅ Correct Answer: Mitochondria and chloroplasts both have DNA

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Source: This question is taken from the Everyday Science

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