A plant is provided with all the conditions suitable for its growth. Class 6

A plant is provided with all the conditions suitable for its growth. Class 6

Question 1.

A plant is provided with all the conditions suitable for its growth (Fig.). Draw what you expect to see in the shoot and the root of the plant after one week. Write down the reasons.

Answer:

Shoot growth :

1. The green part of the plant (that shoot) will grow upwards towards light.
2. Leaves will spread out and new leaves might appear to help the plants make its food using sunlight.

Root growth :

1. The roots will grow downwards into the soil to help the plant stand strong and to get water and nutrients.
2. New tiny roots will grow to help the plant absorb more water.

Reasons :

1. Light attraction : Shoot grows towards the light to catch more sunlight.
2. Water and nutrients : Roots absorb water and important nutrients from the soil, helping the plant to grow better.

Question 2.

Tara and Vijay set up the experiment shown in the picture (Fig.). What do you think they want to find out? How will they know if they are correct? Class 6

Answer:

1. They want to find out how the orientation of a seed affects the growth direction of shoot and root.
2. They will know with the following observations are seen in the pot.
3. Left pot: Seed is placed horizontally.

Expected result: Shoot will curve and grow upwards, and the root will curve and grow downwards.

1. Middle pot: The seed is placed with shoot pointing downwards.

Expected result: The shoot will bend and grow upwards, and the root will bend and grow downwards.

1. Right pot: The seed is placed with the shoot pointing upwards.

Expected result: The shoot will continue to grow straight upwards, and the root will continue to grow straight downwards.