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Biology

The document outlines an examination paper for Class 9th on the topic of 'Cells and Tissue' with a total duration of 3 hours and a maximum mark of 80. It consists of four parts, each containing mandatory questions that cover various aspects of cell biology and tissue types, including definitions, functions, and comparisons. The questions range from one mark to ten marks, requiring students to demonstrate their understanding through definitions, diagrams, and explanations.

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luciferstr09
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37 views2 pages

Biology

The document outlines an examination paper for Class 9th on the topic of 'Cells and Tissue' with a total duration of 3 hours and a maximum mark of 80. It consists of four parts, each containing mandatory questions that cover various aspects of cell biology and tissue types, including definitions, functions, and comparisons. The questions range from one mark to ten marks, requiring students to demonstrate their understanding through definitions, diagrams, and explanations.

Uploaded by

luciferstr09
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Time:- 3 hours Class 9th M.

M:-80

Cells and Tissue

No Choice, Each question is mandatory

Writing must be neat and clean

Part 1 (Each Carry 1 Mark)

1) What are plastids? Name the different types of plastids found in plant
cell.
2) Name two cells which keep changing their shape.
3) What is the full form of DNA?
4) What is the energy currency of the cell?
5) Where are genes located in the cell?
6) How does neuron look like?
7) Where is apical meristem found?
8) Which tissue make up the husk of coconut?
9) What is the utility of tissues in multicellular organisms?
10) Tissues present at the lateral surface of the stem are called apical
tissues. Put (T) if true and put (F) if false. Rewrite the answer if (F).
Part 2 (Each carry 2 Mark)
1) Why is the cell called the structural and functional unit of life?
2) Why is the plasma membrane called a selectively permeable membrane?
3) Why are lysosomes known as suicide bags?
4) Label the figure and answer the questions:
(i) A – It is the packaging organelle
(ii) B – Provides energy
(iii) C – helps in the transport of material
(iv) D – Carries the information.
5) Draw the labelled diagram of neuron.
6) Give three features of cardiac muscles.
7) How are simple tissues different from complex tissues in plants?
8) Why is blood called connective tissue?

Part 3 (Each Carry 3 Marks)


1) What would happen if the plasma membrane ruptures or breaks down?
2) Which organelle is known as the powerhouse of the cell? Why?
3) Explain the structure and function of Golgi bodies.
4) Differentiate between parenchyma, collenchyma and sclerenchyma.
5) Differentiate between striated, un-striated and cardiac muscles on the basis of
their structure and site/location in the body With the help of diagram
6) Name the following.
a. Tissue that forms the inner lining of our mouth.
b. Tissue that connects muscle to bone in humans.
c. Tissue that transports food in plants.
d. Tissue that stores fat in our body.
e. Connective tissue with a fluid matrix.
f. Tissue present in the brain.
7) Fill in the blanks:
(i) Water and minerals are conducted by _________
(ii) In higher plants food is conducted by _________
(iii) Blood is a __________ tissue.
(iv) Bone consists of __________ cells.
(v) Cartilage consists of __________ cells.
(vi) Fibres are absent in __________ type of connective tissue.
8) How is a prokaryotic cell different from a eukaryotic cell?

Part 4 (Each Carry 10 Mark)


1) a. How does an Amoeba obtain its food?
b. How do substances like CO2 and water move in and out of the cell? Discuss.
c. Where are proteins synthesised inside the cell?
2) Make a comparison and write down ways in which plant cells are different
from animal cells with the help of diagram
3) a. Write a note on plant tissues.
b. What is connective tissue? Explain its types.

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