Question

Write an activity to observe and study the root system. please write like this ( aim, material required, procedure, conclusion).​

Answer 1

Answer:

Step-by-step explanation:

How will you proceed?

1. Wash and soak the seeds in water

for a day.

2. Drain excess water and leave the

soaked seeds overnight in a petridish

and cover the seeds with wet cotton.

3. Keep the cotton wet (it should not

get dry).

4. After 2-3 days, do you see any new

white structures emerging out of the

seeds? Name the process involved?

What is required?

Dry whole seeds of gram/

moong, petridish and

cotton wool.

ACTIVITY 6.1.1

How to prepare

sprouts from whole

seeds?

(a)

(b)

(c)

(d)

What have you learnt?

The seeds germinate after being

kept in moist condition.This is

the way a new plant develops

from a seed.

How can we identify

the major components

in our food?

Observation

You will see dark blue black colour. This

indicates the presence of starch in potato.

B. Test for protein

1. Take a test tube and put some powdered dal in it.

2. Add 2 drops of copper sulphate solution and

10 drops of caustic soda and shake the test tube.

Observation

You will see a violet colour. This indicates

the presence of proteins in dal.

Answer 2

Step-by-step explanation:

write an article on tree plantation and our ecological system . stress the importance of trees and their plantation and make some practical suggestions in about 150 words . use the hints given below : . afforestation . prevent soil erosion.ecological balance.relationship among layers of environment .more greenery - less pollution