Which scientist did NOT contribute to the formulation of the cell theory?
- A. Isaac Newton
- B. Matthias Schleiden
- C. Robert Hooke
- D. Rudolf Virchow
- E. Theodor Schwann
The vector of the malaria parasite is the
- A. female anopheles mosquito
- B. female culex mosquito
- C. male anopheles mosquito
- D. male culex mosquito
Which disease is caused by a virus?
- A. Cholera
- B. Measles
- C. Tetanus
- D. Typhoid
- E. Tuberculosis
Which element is a micro element?
- A. Iron
- B. Magnesium
- C. Manganese
- D. Phosphorus
- E. Potassium.
Relative humidity can be measured with a/an
- A. Anemometer
- B. Barometer
- C. Hydrometer
- D. Hygrometer
- E. Photometer
Which is NOT a carnivorous plant?
- A. Bladderwort
- B. Dodder plant
- C. Drosera
- D. Pitcher plant
- E. Venus flytrap
Under secretion of thyroxine before maturity causes an abnormality known as
- A. Cretinism
- B. Gigantism
- C. Dwarfism
- D. Myxoedema
- E. Obesity
Which statement about a nerve cell is NOT correct?
- A. Sensory neurones have their cell bodies in the ganglia along dorsal wall
- B. The axon conduct impulses away from the cell body
- C. The cell body consists of the nucleus and cytoplasm.
- D. The cell bodies of the motor neurones are located in the white matter of the spinal cord.
- E. The dendrites transmit impulses towards the cell body
The structure that hydra uses to immobilize its prey is called
- A. Enteron
- B. Osteoblasts
- C. Osteocysts
- D. Pneumatocysts
- E. Pneumatophores.
What percentage of oxygen is contained in exhaled air?
- A. 21%
- B. 16%
- C. 4%
- D. 0.04%
- E. Less than 0.01%
The instrument used to measure the rate of transpiration in plants is called a/an
- A. Anemometer
- B. Barometer
- C. Hydrometer
- D. Photomer
- E. Potometer
What is NOT an abiotic factor?
- A. Humidity
- B. predators
- C. temperature
- D. turbidity
- E. wind
Evidence of organic evolution can be deduced from all the following EXCEPT
- A. Antecology
- B. Comparative anatomy
- C. Embryology
- D. Fossil records
- E. Geographical distribution
Which one is NOT an essential part of a flower?
- A. Anther
- B. Filament
- C. Ovary
- D. Peta
- E. Stigma
Which is a morphological variation
- A. Ability to taste PTC
- B. Ability to roll the tongue
- C. Behaviour
- D. Blood group
- E. Finger print
What is NOT a kidney disease?
- A. Cirrhosis
- B. Kidney stones
- C. Nephritis
- D. Uraemia
- E. Wilm’s tumour
What is NOT a reflex action?
- A. Blinking of an eye
- B. Jerking of the knee
- C. Leaning
- D. Salivating
- E. Sneezing
The gradient of land can be measured with an instrument called a/an
- A. Aneroid barometer
- B. Hygrometer
- C. Metre rule
- D. Secchi disc
- E. Slope gauge
Which pollutant is likely to cause cholera?
- A. agricultural wastes
- B. industrial wastes
- C. nuclear fallouts
- D. oil spillages
- E. untreated sewage
Which is NOT an effect of the food shortage on a population?
- A. Cannibalism
- B. Competition
- C. Increase in mortality
- D. Increase in natality
- E. migration
Which is the most ecologically viable method of insect pest control?
- A. Draining all stagnant pools of water
- B. Eliminating one of the development stages of the insect
- C. Employing a lot of labourers to physically handpick the insect pests
- D. Erecting physical barriers against insect pests
- E. Using stronger insecticides which can kill a greater number of insect.