The tropical rainforest region is characterized by the following EXCEPT
- A. abundant grasses
- B. abundant rainfall
- C. abundant trees and shrubs
- D. high humidity
- E. low temperature
Reflex action is controlled by
- A. cerebellum
- B. cerebrum
- C. medulla oblongata
- D. olfactory lobe
- E. pineal body
The end product of glycolysis is
- A. acetic acid
- B. citric acid
- C. ketoglutaric acid
- D. oxaloacetic acid
- E. pyruvic acid
Mealy bugs are pests of
- A. cassava
- B. cotton
- C. maize
- D. rice
- E. yarn
Blood groups and tongue rolling are examples of
- A. continuous variation
- B. discontinuous variation
- C. variation due to environment
- D. adaptive variation
- E. sex-linked variation
Food wastage is caused by the following EXCEPT
- A. attack of moulds on farm crops
- B. lack of access roads
- C. lack of transportation
- D. poor harvesting methods
- E. proper storage
Stunted growth and reduced yield in cassava plant is as a result of a disease called
- A. blight
- B. leaf curl
- C. leaf spot
- D. mosaic
- E. smut
A population can be referred to as the number of
- A. adult organisms in an ecosystem
- B. female species in an ecosystem
- C. male species in an ecosystem
- D. organisms of same species in an ecosystem
- E. organisms that can withstand harsh conditions
Which of the following is NOT a function of the mammalian skin?
- A. detoxication
- B. excretion
- C. production of vitamin D
- D. protection
- E. temperature control
The axial skeleton is made up of
- A. fore and hind limbs
- B. limbs and limb girdles
- C. ribs and sternum
- D. skull and limbs
- E. skull and spine
The rate of transpiration of a leafy shoot can be measured with
- A. anemometer
- B. barometer
- C. photometer
- D. potometer
- E. thermometer
Chromosomes are found in the
- A. cell membrane
- B. centriole
- C. mitochondrion
- D. nucleus
- E. lysosome
The respiratory structures of insects are
- A. body surfaces
- B. gills
- C. kidneys
- D. lung
- E. tracheae
Which of the following is NOT a function of dilute hydrochloric acid secreted in the stomach of man?
- A. acidities the contents
- B. activates pepsin
- C. inactivates pepsin
- D. inactivates ptyalin
- E. kills micro organisms
A flower made up of one carpel is referred to as
- A. apocarpous
- B. monocarpus
- C. monogamous
- D. pericarpus
- E. Syncarpous
The organelle responsible for the transportation of substances within the cell is
- A. cell membrane
- B. chloroplast
- C. endoplasmic reticulum
- D. lysosome
- E. mitochondrion
Which of the following is NOT an excretory organ?
- A. Heart
- B. Kidney
- C. Liver
- D. Lung
- E. Skin
Which of the following is a liver disease?
- A. diuresis
- B. dropsy
- C. hepatitis
- D. nephritis
- E. oedema
Which of the following factors affects enzyme activity?
- A. Atmospheric pressure
- B. oxygen
- C. carbondioxide
- D. temperature
- E. Rainfall
The function of digestive enzymes is to
- A. acidify food
- B. build up food
- C. emulsify fats
- D. quicken absorption
- E. enhance food breakdown
Thrombocytes are responsible for
- A. blood clotting
- B. digestion of food
- C. ingestion of bacteria
- D. transportation of digested food
- E. transportation of dissolved oxygen