MCQ-3: Organisation of the Organism

Which diagram shows chloroplasts in their correct position in a plant cell?

Which is not an organ?

Which organelles are present in large numbers in cells that produce insulin?

The actual thickness of the leaf shown in the diagram is 2000 μm, but its thickness in the diagram is 50mm.

What is the magnification of the diagram?

Each of the diagrams shows an area of cytoplasm.
Which is from a prokaryote?

A plant has leaves that have white areas and green areas.

Which cell structures are not present in the white areas?

Which structures are present in large numbers in cells with high rates of metabolism?

In which part of the cell does aerobic respiration occur?

Why do some root cells have root hairs?

The photomicrograph shows part of an animal cell.

What is the structure labelled X?

Which features are possessed by all plant cells?

key
✔ = present
x = absent

The diagram shows part of the skin.

What is the correct level of organisation for the skin?

Heart muscle cells have a high rate of metabolism.
Which structure do they require to be present in high numbers?

The diagram shows a xylem vessel in a plant stem. The magnification is ×400.

What is the actual width of the xylem vessel along the line XY?

In cells with a high respiration rate, what would be found in the cytoplasm in increased numbers?

The diagram shows a mitochondrion.

The diagram is 70 mm long.
What is the magnification of the diagram?

The diagram shows a student’s drawing of guard cells.
Which label line is incorrect?

The diagram shows a cell from a plant leaf.

Which parts are not found in animal cells?

The diagram shows the breathing system and a section of an alveolus surrounded by a capillary.
Which label shows a cell?

The diagram shows a structure found in the human body.

This is an example of