Biology Practice Tests – Cells and its Environment

Hello and Welcome to Biology Practice Tests - Cells and its Environment

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible

Which of the following statements is correct about organs?

A. They are composed of specialized cells
B. They perform a certain overall function
C. They are not found in plants
D. Unicellular animals have few organs

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as _______

A. crenation.      B. plasmolysis      C. turgidity.      D. haemolysis

The main similarity between unicellular and multicellular organisms is that both _____

A. perform all life activities.      B. exist as filaments      C. are plants      D. exist as colonies

In plants, respiration occurs in ______

A. mesophyll cells only.
B. the root only.
C. the stomata and lenticel only
D. all living cells

The aspect of growth in living organisms includes all the following processes except _____

A. increase in dry weight.
B. reversible increase in size.
C. irreversible increase in length.
D. increase in number of cells


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