Cell Structure & Size of Specimens

Which of the following orders would be correct showing the size of structures from biggest to smallest?

• chromosome → red blood cell → stomach → gene → nucleus

• stomach → red blood cell → gene → chromosome

• stomach → red blood cell → nucleus → chromosome → gene

• gene → chromosome → red blood cell → stomach

Which of the following terms would be correct to describe a leaf, a root and stem?

• Cell

• Tissue

• Organ

• Organ system

The diagram below shows part of an organism (ciliated epithelium). What term would correctly describe the level of organisation of the structure in the diagram above?

• Cell

• Organelle

• Organ

• Organ system

Which description of the liver below is correct?

• The liver is a cell, containing several tissues, which forms part of the digestive system.

• The liver is an organ, containing several systems, which forms part of the digestive tissue

• The liver is an organ, containing several tissues, which forms part of the digestive system.

• The liver is a cell, containing several systems, which forms part of the digestive system.

Which row of the table below correctly matches a structure to its level of organisation within an organism?

• A

• B

• C

• D

Which row of the table below correctly matches functions to some of the components in a root haircell?

• A

• B

• C

• D

A list of subcellular structures is given below:

1. nucleus

2. ribosome

3. vacuole

4. chloroplast

A plant cell and an animal cell are observed under a light microscope. Which of the above structures would always be visible in a plant cell?

• A.1, 2 & 4

• B.1, 3& 4

• C.1 & 3only

• D.1 & 4 only

Which row of the table correctly describes the structures present in a bacterial cell?

• A

• B

• C

• D

A student looks at an image of a cross-section of a leaf in her Biology textbook. The actual thickness of this leaf is 450 µm,but the image in the textbook has a depth of 83 mm.

What would be the correct magnification of the image?

• A.×5

• B.×184

• C.×0.184

• D.×500

A student looks at the image below in his textbook.

The image is 43mm wide and has been magnified 2500 times. What is the actual width of the cell?

• A.0.0172 µm

• B.1.72mm

• C.58.1 mm

• D.17.2 µm