Q48 of 105 Page 141

What is an organ? Give two examples of organs.

A organ is a group of different tissues which work together to perform a specific function in the body of an organism.

Examples – Organs in the animal body - Brain and kidney


Organs in the plant body - Root and leaves.


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46

Why are plant and animal specimens usually stained with dyes before observing them through a microscape ? Name one stain (or dye) used for this purpose.

 47

What is a tissue? Give two examples of tissues.

 49

What is an organ system ?

(a) Give two examples of organ systems in animals.


(b) Name the two main organ systems in plants .

 50

Which of the following are plant organs and which are animal organs ?

Brain, Leaf, Lungs, Roots, Stem, Kidneys, Flower, Heart