With reference to the mustard plant, consider the following statements: 1. The seeds of the mustard plant are used to extract oil. 2. The roots of the mustard plant are the primary source of cooking oil. 3. The leaves of the plant are used as a vegetable. Which of the statements given above are correct?

The correct option is (c). Explanation The mustard plant (genus Brassica) is an economically important crop cultivated for multiple edible parts. It serves as a classic example in botany to demonstrate plants where more than one part is utilized for food. Statement-wise Analysis: - Statement 1 is Correct: The seeds of the mustard plant are the primary source of mustard oil. They are crushed to extract the oil, which is widely used as a cooking medium. The seeds are also used as a spice. - Statement 2 is Incorrect: The roots of the mustard plant are not the source of cooking oil. Oil is stored in and extracted exclusively from the seeds. While the plant possesses a taproot system, the root is not the primary economic product for oil production. - Statement 3 is Correct: The leaves of the mustard plant are edible and are harvested to be used as a green leafy vegetable (commonly known as mustard greens or "Sarson ka saag"). Key Takeaway: The mustard plant provides two distinct edible products: seeds (for oil and spice) and leaves (as a vegetable).

NCERT Class 6 Science — Chapter 1: Food: Where does it come from?

mcqeasy

With reference to the mustard plant, consider the following statements:

The seeds of the mustard plant are used to extract oil.
The roots of the mustard plant are the primary source of cooking oil.
The leaves of the plant are used as a vegetable.

Which of the statements given above are correct?

Official previous-year question

Verified 1 Aug 2026.

Options

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

Did you get this right?

Solution

The correct option is (c).

Explanation

The mustard plant (genus Brassica) is an economically important crop cultivated for multiple edible parts. It serves as a classic example in botany to demonstrate plants where more than one part is utilized for food.

Statement-wise Analysis:

Statement 1 is Correct: The seeds of the mustard plant are the primary source of mustard oil. They are crushed to extract the oil, which is widely used as a cooking medium. The seeds are also used as a spice.
Statement 2 is Incorrect: The roots of the mustard plant are not the source of cooking oil. Oil is stored in and extracted exclusively from the seeds. While the plant possesses a taproot system, the root is not the primary economic product for oil production.
Statement 3 is Correct: The leaves of the mustard plant are edible and are harvested to be used as a green leafy vegetable (commonly known as mustard greens or "Sarson ka saag").

Key Takeaway:
The mustard plant provides two distinct edible products: seeds (for oil and spice) and leaves (as a vegetable).

Your note

More from Chapter 1: Food: Where does it come from?

With reference to the sources of oil used in cooking, consider the following statements: 1. Vegetable oils are obtained from the seeds of plants. 2. No animal product serves as a source of oil or fat for human consumption. Which of the statements given above is/are correct?

easy

Consider the following statements regarding edible parts of plants: 1. Only the fruits of plants are edible for humans. 2. Certain plants, such as mustard, have more than one edible part. 3. Flowers of plants are generally not used as food ingredients in any region of India. Which of the statements given above is/are correct?

medium

Consider the following ingredients used in cooking: 1. Chilli 2. Soybean oil 3. Pumpkin Which of the above are correctly matched with the plant part they are derived from? 1. Chilli is a modified root of the plant. 2. Soybean oil is extracted from the seeds of the plant. 3. Pumpkin is the fruit part of the plant. Select the correct answer using the code given below:

medium

Which of the following statements regarding plant parts used as food sources is NOT correct?

easy

With reference to the banana plant, consider the following statements: 1. The banana plant is characterized by having only one edible part. 2. Multiple parts of the banana plant, such as the flower and stem, can be used as food. Which of the statements given above is/are correct?

medium

Keep practising Chapter 1: Food: Where does it come from?

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The correct option is (c).

Explanation

Statement-wise Analysis:

Statement 1 is Correct: The seeds of the mustard plant are the primary source of mustard oil. They are crushed to extract the oil, which is widely used as a cooking medium. The seeds are also used as a spice.
Statement 2 is Incorrect: The roots of the mustard plant are not the source of cooking oil. Oil is stored in and extracted exclusively from the seeds. While the plant possesses a taproot system, the root is not the primary economic product for oil production.
Statement 3 is Correct: The leaves of the mustard plant are edible and are harvested to be used as a green leafy vegetable (commonly known as mustard greens or "Sarson ka saag").

Key Takeaway:
The mustard plant provides two distinct edible products: seeds (for oil and spice) and leaves (as a vegetable).