The process by which fruits develop without fertilization is called
- A. parthenocarpy
- B. pathology
- C. hermaphroditism
- D. layering
The following insects undergo incomplete metamorphosis except
- A. termite
- B. cockroach
- C. butterfly
- D. locust
Which of the following occurs when a person looks at a distant, dim object and then looks
at a much closer, bright object? In each eye, the pupil becomes
- A. larger, while the lens becomes thicker
- B. larger, while the lens becomes thinner
- C. smaller, while the lens becomes thicker
- D. smaller while the lens becomes thinner
The structure labelled VIII in the diagram is responsible for
- A. vision
- B. involuntary actions
- C. speech
- D. voluntary action
The structure labelled l in the diagram above is the
- A. cerebellum
- B. cerebrum
- C. olfactory lobe
- D. medulla oblongata
Which of the following structures occupies the neural canal of the vertebral column?
- A. cerebellum
- B. hypothalamus
- C. medulla oblongata
- D. spinal cord
Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?
- A. thyroxine
- B. insulin
- C. secretin
- D. testosterone
A urine sample of a patient, tested with Benedict/Fehling solution, gave an orange colored precipitate,
indicating the presence of
- A. glucose
- B. sucrose
- C. lactose
- D. maltose
The body temperature of a mammal has to be maintained at a fairly constant level because
- A. excessive heat is continually lost by the body to the environment
- B. their body temperature is always higher than that of the environment
- C. evaporation of sweat cools the body
- D. metabolic activities function best at certain temperature
Green plants lose water to the atmosphere through the process of
- A. respiration
- B. photosynthesis
- C. transpiration
- D. translocation
The products of respiration are
- A. nitrogen and water
- B. nitrogen and carbon dioxide
- C. water and oxygen
- D. carbon dioxide and water
The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood
- A. directly from the heart
- B. from the liver to the heart
- C. from the small intestine to the liver
- D. from the liver to join the posterior vena cava
Excessive bleeding from an injury may be due to lack of vitamin
- A. A
- B. B
- C. C
- D. K
The xylem elements perform the function of transport but they also help to support plants because they
- A. are internally located
- B. are tubular
- C. have rigid thick walls
- D. constantly absorb water
The axial skeleton is made up of the following
- A. skull, vertebral column, rib cage and sternum
- B. limbs and limb girdles
- C. lumbar and thoracic vertebrae
- D. vertebral column and lumbar vertebrae
Which of the following groups of vertebrae have two branches at the end of their transverse processes?
- A. sacral
- B. thoracic
- C. cervical
- D. lumbar
How many conjugants are involved in sexual reproduction of paramecium
- A. 1
- B. 2
- C. 4
- D. 8
When a person’s urine contains a high concentration of urea, it could be the result of
- A. a drop in body temperature
- B. having diabetes mellitus
- C. eating a meal rich in protein
- D. drinking a large amount of water
The process by which a drop of ink spreads uniformly in a beaker of water is called
- A. absorption
- B. osmosis
- C. plasmolysis
- D. diffusion
The nucleus controls the activities of the cell because it
- A. synthesize hormones
- B. is like a brain in the cell
- C. uses DNA to synthesize enzymes which are used in cell metabolism
- D. sends out nervous impulses to ensure the functioning of the cytoplasm.
Which two structures are present in a palisade cell but not in a liver cell?
- A. cell wall and cytoplasm
- B. cell wall and chloroplast
- C. cell membrane and cytoplasm
- D. cell membrane and chloroplast