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Assesment grade 9 science

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Assesment – Science – Grade 09 E B , 09 E C
The Human Circulatory System
1. Write down all the veins and arteries connected to the heart using the
given table.
veins
Arteries
Connected to which Function
chamber of the
heart
2. Compare the structural and functional characteristics of arteries, veins
and capillaries of the blood circulatory system.
3. Classify the components of blood.
4. What are the functions of blood?
5. What is blood transfusion and write down the compatibility of blood
groups in transfusion.
6. How the compatibility of Rhesus factor should be during the blood
transfusion? Show it in a table.
7. Write down favourable habits to maintain healthy blood circulation
system.
Plant Growth Substances
Activity 01
Take two small similar potted plants.
Cut and remove the apex of one plant.
Now measure the initial heights of both plants.
Supply same environmental conditions for both plants and
measure their heights daily for a week.
1. What are the plants you have selected?
2. Record your observations in the following table.
Day
Initial height - A
(measured on the first
day)
Height measured
on the day - B
Difference
( A – B)
Day 01
Day 02
Day 03
Day 04
Day 05
Day 06
Day 07
3.
4.
5.
6.
7.
8.
9.
What is your conclusion regarding this activity?
What are the plant growth substances you know?
What are Auxins?
What is the role of the Auxin in the plant?
What are the functions of Gibberellins and Cytokinins in the plants?
What is the reason for falling leaves and fruits when matured?
Write down some Artificial growth substances and their Uses.
Support and Movements of Organisms
1.
2.
3.
4.
5.
6.
7.
What do you understand by the term ‘ movement’?
Fill the table 8.1 given in your text book.
How the plants get the support to be straightened on the ground?
What are the 2 types of movements that plants exhibit?
Explain what is a tropic movement.
Write 6 tropic movements and describe them.
Explain what is a Nastic movement.
Give some examples of the plants which show Nastic movement.
8. What do you understand by In-situ Conservation ?
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