NCERT Class 6 Science — Chapter 3: Getting to know plants

With reference to the structure of a leaf, consider the following statements: 1. The part of the leaf by which it is attached to the stem is called the petiole. 2. The broad, green part of the leaf is called the sepal. 3. All leaves must possess a petiole. Which of the statements given above is/are correct?

Consider the following statements regarding leaf venation: 1. The design made by veins in a leaf is called leaf venation. 2. If the design is net-like on both sides of the midrib, it is called parallel venation. 3. If the veins are parallel to one another, it is called parallel venation. Which of the statements given above are correct?

With reference to the process of transpiration in plants, consider the following statements: 1. Plants release water into the air in the form of liquid droplets. 2. This process takes place primarily through the leaves. 3. Transpiration helps in the upward movement of water in the plant. Which of the statements given above are correct?

With reference to plant morphology, what is the typical relationship between leaf venation and the root system?

With reference to the root system of plants, consider the following statements: 1. In a taproot system, the main root is called the taproot and smaller roots are called lateral roots. 2. In a fibrous root system, there is one main root from which all other roots originate. 3. Roots play no role in holding the plant to the soil. Which of the statements given above is/are correct?