Consider the following statements about Leucoplasts: 1. They are primarily organelles for storage. 2. They contain only chlorophyll and no other materials. 3. They are green in colour due to chlorophyll. Which of the statements given above is/are correct?

Correct Option The correct option is (a). Explanation Plastids are double-membrane organelles found in plant cells and euglenoids. Based on the presence or absence of specific pigments, plastids are classified into three main types: Chloroplasts (containing chlorophyll), Chromoplasts (containing fat-soluble carotenoid pigments), and Leucoplasts (colorless plastids). Statement-wise Analysis - Statement 1 is Correct: Leucoplasts are primarily organelles responsible for the storage of nutrients. Based on the material stored, they are further categorized into Amyloplasts (store carbohydrates like starch), Elaioplasts (store oils and fats), and Aleuroplasts (store proteins). - Statement 2 is Incorrect: Leucoplasts do not contain photosynthetic pigments. Chlorophyll is specifically found in Chloroplasts, which are responsible for trapping light energy for photosynthesis. - Statement 3 is Incorrect: Leucoplasts are colorless plastids because they lack pigments. The green color in plant parts is due to Chloroplasts, which contain chlorophyll and carotenoids. Key Takeaway Leucoplasts are colorless plastids specialized for nutrient storage (starch, oils, proteins), distinct from Chloroplasts (green, photosynthetic) and Chromoplasts (colored, non-photosynthetic).

NCERT Class 9 Science — Chapter 1: The fundamental unit of life

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Consider the following statements about Leucoplasts:

They are primarily organelles for storage.
They contain only chlorophyll and no other materials.
They are green in colour due to chlorophyll.

Which of the statements given above is/are correct?

Official previous-year question

Verified 1 Aug 2026.

Options

A1 only
B2 only
C1 and 3 only
D1, 2 and 3

Did you get this right?

Solution

Correct Option

The correct option is (a).

Explanation

Plastids are double-membrane organelles found in plant cells and euglenoids. Based on the presence or absence of specific pigments, plastids are classified into three main types: Chloroplasts (containing chlorophyll), Chromoplasts (containing fat-soluble carotenoid pigments), and Leucoplasts (colorless plastids).

Statement-wise Analysis

Statement 1 is Correct: Leucoplasts are primarily organelles responsible for the storage of nutrients. Based on the material stored, they are further categorized into Amyloplasts (store carbohydrates like starch), Elaioplasts (store oils and fats), and Aleuroplasts (store proteins).
Statement 2 is Incorrect: Leucoplasts do not contain photosynthetic pigments. Chlorophyll is specifically found in Chloroplasts, which are responsible for trapping light energy for photosynthesis.
Statement 3 is Incorrect: Leucoplasts are colorless plastids because they lack pigments. The green color in plant parts is due to Chloroplasts, which contain chlorophyll and carotenoids.

Key Takeaway

Leucoplasts are colorless plastids specialized for nutrient storage (starch, oils, proteins), distinct from Chloroplasts (green, photosynthetic) and Chromoplasts (colored, non-photosynthetic).

Your note

More from Chapter 1: The fundamental unit of life

With reference to Plastids, consider the following statements: 1. They are present only in plant cells. 2. Chromoplasts are colourless plastids, while leucoplasts contain chlorophyll. 3. Unlike mitochondria, plastids lack their own DNA and ribosomes. Which of the statements given above is/are correct?

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Which of the following pairs is correctly matched?

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Consider the following statements about Vacuoles: 1. They are small-sized in animal cells while plant cells have very large vacuoles. 2. In Amoeba, the food vacuole is absent. 3. They can play a role in expelling excess water from the cell. Which of the statements given above is/are correct?

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With reference to osmosis, consider the following statements: 1. Osmosis is the net diffusion of water across a selectively permeable membrane. 2. If a cell is placed in a hypotonic solution, it is likely to shrink. 3. Water molecules pass across the membrane in only one direction during osmosis. Which of the statements given above is/are correct?

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A plant cell is placed in a hypertonic solution. Which of the following phenomena is most likely to occur?

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Correct Option

The correct option is (a).

Explanation

Statement-wise Analysis

Statement 1 is Correct: Leucoplasts are primarily organelles responsible for the storage of nutrients. Based on the material stored, they are further categorized into Amyloplasts (store carbohydrates like starch), Elaioplasts (store oils and fats), and Aleuroplasts (store proteins).
Statement 2 is Incorrect: Leucoplasts do not contain photosynthetic pigments. Chlorophyll is specifically found in Chloroplasts, which are responsible for trapping light energy for photosynthesis.
Statement 3 is Incorrect: Leucoplasts are colorless plastids because they lack pigments. The green color in plant parts is due to Chloroplasts, which contain chlorophyll and carotenoids.