A cell that is capable of self existence is a/an
- A. Amoeba
- B. Human cheek cell
- C. Onion epidermal cell
- D. ovum
- E. spermatozoom
The first bone of the vertebral column located in the neck region is called
- A. Atlas
- B. Axis
- C. Caudal.
- D. Cervical.
- E. Thoracic
The movement of food in soluble form within the vascular bundles to all parts of the plant is known as
- A. Diffusion
- B. Evaporation
- C. Transportation
- D. Translocation
- E. Transpiration
Which plant hormone inhibits the development of lateral buds in plants
- A. Abscisic acid
- B. Auxins
- C. Cytokinins
- D. Florigen
- E. gberelIins
The scientist who propounded the theory of inheritance of acquired characters via use and disuse was
- A. August Weismann
- B. Charles Darwin
- C. Gregory Mendel
- D. Jean Lamarck
- E. Thomas Morgan
The toad’s long sticky tongue is an adaptation for
- A. Catching insects
- B. Conserving water
- C. Escaping from its predators
- D. Regulating, body temperature
- E. Securing mates
The process through which excess amino acids in the body are broken down into urea and a carbohydrate is called
- A. deamination
- B. denaturation
- C. detoxication
- D. emulsification
- E. excretion
Which is NOT a benefit of conservation of natural resources?
- A. Permits nature studies
- B. Preserves the beauty of nature
- C. Prosecutes poachers
- D. Protects endangered species
- E. Sources of revenue earning
Which plant stores food in its roots?
- A. Cassava
- B. Cocoyam
- C. Irish potato
- D. Onion
- E. Yam
Which is NOT an adaptive feature of hydrophytes?
- A. Air spaces in tissues for buoyancy
- B. Broad leaves to enhance transpiration
- C. Extensive root system for absorption of water
- D. Fibrous root for absorption of water
- E. Waxy cuticle on leaves to prevent wetting
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