GATE ES 2023 Paper 1 — page 5

Questions 13–15 of 65. Imported answers require review unless explicitly marked reviewed.

Given are two infinite series

The correct choice is

Your answerChoose one option.

P is convergent series; Q is divergent series

P is divergent series; Q is convergent series

Both P and Q are convergent series

Both P and Q are divergent series

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For testing alkalinity for a water sample, first phenolphthalein indicator is added. The water remains colorless. However, when a few drops of methyl orange is added to the sample, the color turns yellow. As per these observations, the correct choice is

Your answerChoose one option.

Absence of

and/or

but the presence of

ions in the sample

Presence of

and/or

but the absence of

ions in the sample

Absence of

and

ions in the sample

Presence of

and

ions in the sample

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Read the following statements

I. Photosynthesis takes place within the chloroplasts of the eukaryotes, where the breakdown of complex molecules to yield energy takes place in the cytoplasm and in the mitochondria.

II. Photosynthesis takes place within the chloroplasts of the prokaryotes, where the breakdown of complex molecules to yield energy takes place in the cytoplasm and in the mitochondria.

III. All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen. This breakdown of glucose to pyruvic acid is called glycolysis.

IV. All living organisms retain the enzymatic machinery to completely oxidise glycerol without the help of oxygen. This breakdown of glycerol to citric acid is called glycolysis.

The correct choice is

Your answerChoose one option.

I and III are correct

II and IV are correct

I is correct whereas III is incorrect

II is correct whereas IV is incorrect

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2023 · Paper 1

Question 13

Question 14

Question 15