Which of the following is not a courtship behaviour exhibited of animals?
- A. Pairing
- B. Display
- C. Seasonal migration
- D. Hibernation
- E. Territorialism.
This defect can be corrected by the use of
- A. convex lens
- B. concave lens
- C. cylindrical lens
- D. surgical operation
- E. biconcave lens
Which type of eye defect IS illustrated in the diagram above?
- A. Hypermetropia
- B. myopia
- C. Cataract
- D. Astigmatism
- E. Glaucoma
The groups of sensory cells found on the upper surface of the tongue are called
- A. ampullae
- B. taste bud
- C. nerve cells
- D. somatic cells
- E. tactile cells
When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations ions on either side of the membrane?
- A. There is an excess of potassium ions inside the axon and an excess of sodium ions outside
- B. The inside of the axon becomes positively charged while the outside is negatively charged
- C. There is an excess of sodium ions on the inner side of the axon
- D. Chloride and potassium ions begin to move across the membrane
- E. Calcium ions accumulate on the inner side of the axon
Ultrafiltration in the kidney takes place in the
- A. loop of Henle
- B. renal vein
- C. Bowman’s capsule
- D. pelvis
- E. pyramid
Which of the following organs is associated with deamination of proteins?
- A. Lung
- B. Stomach
- C. Kidney
- D. Liver
- E. Heart
Which of the following structures functions as an excretory, system found in flatworm?
- A. Contractile vacuole
- B. Nephridium
- C. Flame cell
- D. Malplghlan tubule
- E. Kidney
The respiratory organ found in the cockroach is the
- A. air sac
- B. trachea
- C. lung book
- D. lung
- E. gill
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
- A. concentration gradient across the respiratory surface
- B. concentration gradient across the respiratory surface B. presence of thin membrane as the respiratory surface
- C. last transportation of absorbed gases
- D. presence of large surface area of the respiratory organ
- E. presence of small, dry surface area of the respiratory organ
Which of the following blood vessels carries oxygenated blood into the heart?
- A. Pulmonary vein
- B. Anterior vena cava
- C. Pulmonary artery
- D. Aorta
- E. Posterior vena cava
Which of the following is the medium of transportation of nutrients within unicellular organisms?
- A. Blood
- B. Serum
- C. Protoplasm
- D. Plasma
- E. Lymph
Which of the following diseases is caused by deficiency of insulin in the body?
- A. Malaria
- B. Diabetes mellitus
- C. Hepatitis
- D. Gonorrhoea
- E. Cholera
During the process of breathing, volume and pressure change occur as a result of the movement of the parts labelled?
- A. I and II
- B. II and IV
- C. III and VII
- D. IV and V
- E. VI and VII
Exchange of gases takes place in the air sacs contained in the
- A. I
- B. II
- C. IV
- D. V
- E. VI
The part labelled I is the?
- A. epiglottis
- B. larynx
- C. oesophagus
- D. trachea
- E. bronchus
The part labelled VII is the
- A. pleural cavity
- B. lung
- C. rib
- D. diaphragm
- E. intercostal muscle.
In which of the following parts of a cell is the chromosome found
- A. Nucleus
- B. Golgi body
- C. Cytoplasm
- D. Cell membrane
- E. Cell wall
The first scientist to describe the cell was
- A. Theodor Schwann
- B. Felix Dujardin
- C. Robert Hooke
- D. Charles Darwin
- E. Matthias Schleiden
Which of the following is a similarity between a typical animal cell and a typical plant cell? Presence of
- A. cellulose cell wall
- B. chlorophyll
- C. centrally-placed nucleus
- D. cell membrane
- E. cell membrane
The organ which is sensitive to light in Euglena is the
- A. gullet
- B. chloroplast
- C. eye spot
- D. contractile vacuole
- E. flagellum