Spectacles with convex lenses correct long-sightedness by
Biology Past Questions
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Past Questions
139 questionsThe part of the ear which contains nerve cells sensitive to sound vibrations is the
The reason why hospitals use saline solutions as drip Instead of water is
The graph above shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
What physiological term can be used to describe the regulation of the body temperature of the of the Lizard?
The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
Which of the statements below is valid?
Which of the following features is not a characteristic of arteries? Arteries
Which of the following groups of organisms has kidney as the excretory organ?
The reason why the flow of blood through the capillaries is very slow is
Which of the following structures is not a skeletal material?
The longest bone in the body is the
The overall reaction in glycolysis can be summarised as
The curvature movement of plants in response to the stimulus of water is called
Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as
Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the
Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of
Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will
The cytoplasm of a cell is considered a very important component because it
A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were
A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a