VII. Answer in brief .
Why do we call jasmine plant, a twiner?
Jasmine plants are called twiners because they have weak stems and need to climb on other things for support.
Compare the taproot and fibrous root systems.
Taproots have a single main root with smaller roots coming out, like in beans. Fibrous roots are lots of thin roots, like in grass.
Distinguish between terrestrial and aquatic habitats.
Terrestrial habitats are on land, like forests and deserts. Aquatic habitats are in water, like ponds and oceans.
Tamil Nadu Board Class 6 Science Chapter 4 The World of Plants Extra QA
Q- What are the two main parts of a flowering plant?
A- The two main parts are the root system and the shoot system.
Q- Describe the functions of the root system.
A- Roots help plants stay in the soil, absorb water and nutrients, and some roots store food.
Q- Differentiate between taproot and fibrous root systems with examples.
A- Taproots are like a single big root with smaller roots coming out, like in beans or mango trees. Fibrous roots are lots of thin roots, like in grass or paddy plants.
Q- Explain the functions of the shoot system.
A- The shoot system supports branches, leaves, flowers, and fruits. It also carries water and food around the plant.
Q- What are the functions of leaves in plants?
A- Leaves make food for plants, help them breathe, and release extra water.
Q- Define habitat and provide examples of aquatic and terrestrial habitats.
A habitat is where plants and animals live. Examples are a pond (aquatic) or a forest (terrestrial).
Q- How are forests, grasslands, and deserts classified under terrestrial habitats?
A- They are different types of land habitats: forests have lots of trees, grasslands have grass, and deserts are dry with less water.
Q- Describe some adaptations seen in plants for survival in specific habitats.
A- Plants have special features to help them live in different places, like climbing tendrils or thorns for protection.
Q- What are tendrils, and how do they help plants?
A- Tendrils are like curly vines that help weak plants climb and hold onto things for support.
