On the lines given below, write about what you have learned from the activities done in this lesson. Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with - Science

On the lines given below, write about what you have learned from the activities done in this lesson.

Let me tell you about some of the important things I’ve learned about cells. First, I’ll start with…______

Answer in Brief

Cell is the basic unit of an organisms.
Based on number of cells organisms can be classified as unicellular and multicellular organisms.
The cells form tissues, Tissues form organs, Organ system help an organism to function.
The cell wall is seen only in plant cells.
Cell membrane is seen only in plant cells.
Cell membrane is seen in all cells.
The organelles of the cell like chloroplast, Mitochondria, Ribosomes, Endoplasmic Reticulum, Golgi bodies etc help to perform cell functions.
Nucleus is the controlling centre of a cell.

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Chapter 4: Cell Biology - Evaluation [Page 69]

Chapter 4 Cell Biology
Evaluation | Q VIII. 6. | Page 69

Indicate whether the following statements are True (T) or False (F).

Muscle cells are branched. (T / F)

Choose the correct option.

Cell Membrane is composed of ______.

In Latin, the word ‘cellula’ means a ______.

How do you distinguish between living and dead cells?

Cell arises from pre-existing cell was stated by

Why are lysosomes also known as “scavengers of the cells”?

Draw a plant cell and label the parts which

determines the function and development of the cell
packages materials coming from the endoplasmic reticulum
provides resistance to microbes to withstand hypotonic external media without bursting
is site for many biochemical reactions necessary to sustain life. (e) is a fluid contained inside the nucleus

Match the terms given in column I with their functions given in column II and fill the blanks given below the table :

Column I	Column II
A. Chloroplast	i) carries hereditary characters
B. Cell membrane	ii) controls the activities of cells
C. Nucleus	iii) site of photosynthesis
D. Chromosome	iv) controls the movement of materials into and out of cells.

A - ______ ; B - ______ ; C - ______ ; D - ______

______ is the largest organelle.

Define the following term:

Cell