Biology Past Questions

The diagram above is an illustration of some parts of a mammalian ear. Study it and answer this question.

The parts labelled I are the?

The diagram above is an illustration of some parts of a mammalian ear. Study it and answer this question.

The middle ear is connected to the pharynx by the part labelled

 The table above shows the effect of hormones I,II,III and IV on some parts of the human body. Where (✓) represents effects and (X) represents no effect of hormone on the corresponding part of the body. study it and answer this question. 

The hormone responsible for anxiety is?

The table above shows the effect of hormones I,II,III and IV on some parts of the human body. Where (✓) represents effects and (X) represents no effect of hormone on the corresponding part of the body. study it and answer this question. 
 

Which of the following hormones are l, II, Ill and IV respectively?

Use the following processes to answer this question.
I-Ribs move upward and outward

II- Diaphragm relaxes

IIl-Volume of thorax increases

IV-Air is forced out of the lungs

which of the following processes is a direct result of contraction of the intercostal muscles?

Use the following processes to answer this question.
I-Ribs move upward and outward

II- Diaphragm relaxes

IIl-Volume of thorax increases

IV-Air is forced out of the lungs

 Which of the processes take place during inspiration?

Which of the following blood components has the greatest affinity for oxygen and carbon (IV) oxide? 

The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be.

The region of a plant stem in which cells divide to increase its diameter is

The process that brings about the shrinking of a spirogyra cell when placed in a strong solution is ?

The organelles in cells which are also referred to as suicidal bags are the 

Diagrams X and Y above are illustrations of transverse sections of a part of plants, Study them and answer this question.

The part labelled Il is the?

Diagrams X and Y above are illustrations of transverse sections of a part of plants, Study them and answer this question.

The part responsible for conducting water and dissolved mineral salts from the soil to the leaves is labelled

Diagrams X  and  Y above are illustrations of transverse sections of a part of plants. study them and answer this question

which of the following statements is not correct?  Diagrams X and Y are sections of  

Organ level of organization in living things is found in?

which of the following statements about living things is correct?

Which of the following statements is not Lamarck's postulate on evolution?

Natural selection arises as a result of?

Which of the following organisms exhibits division of labour?