CBSE Class 6 Science Diversity in the Living World (Class 6 NCERT New) Quiz 7

1. Look closely at the height of different plants. Are these plants shorter than you, as tall as you, or taller than you?

A The height of the plants compared to the observer (shorter, as tall, or taller). B The color of the plants compared to the observer. C The number of leaves on the plants. D The type of soil the plants are growing in.

2. Is the stem brown or green? Touch and feel the stems and try to bend them gently. Can you bend the stem easily, or is it stiff? Take care that the stems do not break.

A Stem color (brown or green) and whether the stem is easy to bend or stiff. B Leaf shape and whether the leaves are rough or smooth. C Root length and whether the roots are thick or thin. D Flower color and whether the petals are wide or narrow.

3. Observe from where the branches of the plants arise—whether they arise close to the ground or higher up on the stem. Fill in your observations in Table 2.3. A few examples are already given.

A Branches arise close to the ground or higher up on the stem. B Branches arise only from the roots. C Branches arise only from the leaves. D Branches arise only from the flowers.

4. What differences do you observe among herbs, shrubs, and trees? How can you group plants as herbs, shrubs, and trees based on the data entered in Table 2.3?

A Herbs are short with green, tender stems; shrubs are medium height with brown, hard, thin stems; trees are tall with brown, hard, thick stems. Plants can be grouped based on height, nature of stem, and appearance of branches. B Herbs are tall with thick stems; shrubs are short with green stems; trees are medium height with thin stems. Plants can be grouped based on leaf color. C Herbs, shrubs, and trees are grouped only by their flower color and fruit type. D Herbs are medium height with brown stems; shrubs are tall with green stems; trees are short with thin stems. Plants can be grouped based on root length.

5. Fill in the blank: The Mango plant is classified as a ______ based on its height and nature of stem in Table 2.3.

A Tree B Shrub C Herb D Climber

6. Fill in the blank: The Rose plant is classified as a ______ based on its height and nature of stem in Table 2.3.

A Shrub B Tree C Herb D Climber

7. Fill in the blank: The Tomato plant is classified as a ______ based on its height and nature of stem in Table 2.3.

A Herb B Shrub C Tree D Climber

8. Which of the following plants has a thick, hard, brown stem and is tall in height?

A Mango B Rose C Tomato D None of the above

9. What are shrubs?

A Shrubs are plants with many brown woody stems that start branching very close to the ground. These stems are hard but not as thick as the stem of a tree. B Shrubs are plants with a single thick stem that grows very tall like a tree. C Shrubs are plants that have soft green stems and do not branch near the ground. D Shrubs are plants that grow only in water and have no stems.

10. What are herbs? For example, a tomato plant is a herb (Fig. 2.3c).

A Herbs are typically small plants with soft and green stems. B Herbs are large trees with woody stems. C Herbs are aquatic plants found only in water bodies. D Herbs are plants with thick, hard stems like shrubs.