Explain how cell size is related with their functions.

Important Questions on Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Identify the elements which lead to much variation in the physical and chemical conditions of different habitats.
a) Only components such as Temperature, water, light and soil.
b) Only components such as pathogens, parasites, predators and competitors of the organism with which they interact constantly.
c) The physiology and anatomy of organisms
d) Both a and b

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Why diffusion process is not suitable for transportation in multicellular organisms ? 

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Which cells in the human body can contract and relax? (Nerve cells/ Muscle cells/ Blood cells)

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

State an important characteristic of muscle cells.

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Explain the different types of cells on the basis of their shapes and sizes.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Cells vary in their shape. Justify this statement by drawing three different cells of different shapes.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Why are nerve cells long? Why do these cells have projections?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Why are nerve cells long and have branches?

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Discuss the diversity in the shape of the cells.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Write the quadrants in which the following points lie:

$\left(-4,7\right)$

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Name one cell which can be seen easily with naked eye and one cell which can be seen only through a microscope.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Size of the cell depends upon the size of the organism.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Nerve cell is the longest cell.

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

What is the shape of red blood cells in human blood? What function do red blood cells perform?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Name the spindle-shaped cells present in the human body.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

An Amoeba cell can change its shape and a white blood cell in human blood can also change its shape.
What is the difference between an Amoeba cell and a white blood cell?

EASY

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

The size of cell vary. Explain.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

The cell shape is often related to the function which the cell performs. Give two examples in support of your answer.

MEDIUM

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

Make a sketch of the human nerve cell. What function do nerve cells perform?

HARD

Life Sciences>From Molecules to Organisms: Structures and Processes>Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.>Structure and Function - All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular)

One millionth of a metre is