MCQ-5: Organisation of the Organism

The diagram shows a student’s drawing of two guard cells.
Which label line is not correct?

How does a liver cell differ from a palisade cell?

The diagram shows structures taken from two different organisms.

Which structures have the main function of transport?

At which level of organisation is a root?

The diagram shows a spongy mesophyll cell from a green leaf.

Which labelled structures are not found in animal cells?

What are the features of the cell walls in a xylem vessel?

Which diagram represents a typical plant cell?

A student draws a diagram of a mitochondrion.
The diagram has a magnification of ×20 000.

The diagram is 5 cm long.
What is the actual size of the mitochondrion?

The length of a mitochondrion in a photomicrograph is 15mm.
The actual length of the mitochondrion is 3 μm.
What is the magnification of the photomicrograph?

The diagrams show a leaf and its internal structure.

What are the levels of organisation of the labelled structures?

What is a leaf?

The diagram shows a magnified image of a human liver cell with a mitochondrion labelled. The actual size of the liver cell is 20μm.
The image size of the liver cell is 40 mm and the image size of the mitochondrion is 4mm.

What is the actual size of the mitochondrion shown in the diagram?

The diagrams show structures associated with a leaf.

What is the level of organisation of the part shown in detail?

The diagram shows a pollen grain of a rice plant. The size of the image is 40mm

The actual length of the pollen grain is 40 μm.
By how many times has the diagram been magnified?

Which part of a plant cell controls the movement of substances into and out of the cell?

Two types of cell, one animal and one plant, were examined using a light microscope.
Which row shows the correct combination of cellular features that would be observed in the cells?

Sunflowers have yellow flowers.
Which cell structure is found in sunflower leaves but not in the petals of the flowers?

The diagram shows a cell with an actual size of 30 μm.

What is the magnification of the diagram?

The diagram shows a drawing of a human cheek cell.

The distance between points X and Y on the diagram is 30 mm.
The actual length of the cell between X and Y was 60 μm.
What is the magnification of the cell?

Red blood cells were placed in pure water.
Movement of water across the cell membrane caused a change in their appearance.
What caused this change in appearance?