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Read the given passage and answer the questions that follow. The extraction of indigo dye involves harvesting the small, green leaves of the Indigo

Reading Comprehension

Read the given passage and answer the questions that follow.
The extraction of indigo dye involves harvesting the small, green leaves of the Indigofera plant before its flowers bloom. These leaves undergo a process of soaking in water and churning until a navy-blue froth is released. The upper portion of the resulting mixture is drained for irrigation, while the leaves are repurposed as fertilizer. After allowing the water and fine sediment to settle for a day, the liquid is separated from the sediment. The obtained deep blue paste is then subjected to filtration to remove dirt and impurities, followed by compression into cakes and drying for several days. Once dried, the indigo is ready for use as a dye. Lime (Ca(OH)₂) can be added to the initial water and leaves mixture, and various natural sugars can be dissolved into the paste to enhance the extraction process.

1) Question

Select the most appropriate synonym of the word 'impurities' from the options given below.

A.

scum

B.

pureness

C.

cleanliness

D.

purity

Correct option is A

The correct answer is option (a).
The word ‘impurities’ refers to substances that make something dirty or of lower quality. In the context of the passage, impurities are the unwanted particles that are removed from the indigo paste during filtration.
Scum, which refers to a layer of dirt or froth on a liquid surface, closely aligns with this meaning as it represents unwanted or impure matter.
Other options are incorrect because:
(b) Pureness – means the state of being pure (शुद्धता), opposite of impurity.
(c) Cleanliness – refers to the quality of being clean (स्वच्छता), not a synonym of impurity.
(d) Purity – also means cleanliness or lack of contamination (निर्मलता), opposite in meaning.

2) Question

In the extraction process described, what is the purpose of allowing the water and fine sediment at the bottom of the tank to settle for a day?

A.

To facilitate the separation of liquid from sediment

B.

To create a unique texture in the final indigo paste

C.

To enhance the aroma of the indigo dye

D.

To promote the growth of additional indigo leaves

Correct option is A

The correct answer is option (a).
The passage clearly states that the mixture is left to settle for a day so that the liquid can be separated from the fine sediment. This step helps isolate the useful indigo paste from the rest of the material.
Other options are incorrect because:
(b) – No mention is made of texture changes.
(c) – Aroma enhancement is not discussed.
(d) – Leaf growth is unrelated to the soaking or settling process.

3) Question

What is the central theme of the passage describing the extraction process of indigo dye from the Indigofera plant?

A.

The cultivation and growth cycle of the Indigofera plant

B.

The impact of lime and natural sugars on the indigo extraction process

C.

The intricate process of harvesting and processing indigo leaves

D.

The various uses of indigo dye in different industries

Correct option is C

The correct answer is option (c).
The passage provides a detailed, step-by-step description of how indigo dye is extracted — from harvesting the leaves, soaking, churning, settling, filtration, and drying.
Therefore, the main theme is the process of extracting and preparing indigo dye.
Other options are incorrect because:
(a) – The cultivation or growth cycle is not discussed.
(b) – Lime and sugars are briefly mentioned but not the focus.
(d) – The passage does not talk about how the dye is used in industries.

4) Question

What is the overall tone of the passage?

A.

Informative and instructional

B.

Emotional and sentimental

C.

Critical and analytical

D.

Humorous and light-hearted

Correct option is A

The correct answer is option (a).
The tone of the passage is informative, as it explains the step-by-step procedure for extracting indigo dye, and instructional, since it reads like a guide or explanation of a process.
Other options are incorrect because:
(b) – There is no emotional or personal feeling in the passage.
(c) – The passage is descriptive, not critical or analytical.
(d) – There is no humor or casual tone in the writing.

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