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
Autecology is defined as the study of Interrelationship of
- A. many species of organisms and their environment
- B. same species of organisms and their environment
- C. organisms in the atmosphere
- D. organisms under the earth’s surface
- E. organisms in water
Which of the following organisms possesses both plant and animal characteristics?
- A. Amoeba
- B. Euglena
- C. Paramecium
- D. Spirogyra
- E. Volvox
The tip of the tongue is sensitive to
- A. bitter taste
- B. salty taste
- C. sweet taste
- D. salty and sweet taste
- E. sour taste
Which of the organisms is a primary consumer?
- A. Cassava
- B. Grasshopper
- C. Hawk
- D. Lizard
- E. Toad
Here is a list of natural resources:
I. Wildlife
II. Forest
III. Fossil fuel
IV. Minerals
Which of the natural resources are non-renewable?
- A. I and II only
- B. I and III only
- C. I and IV only
- D. II and III only
- E. III and IV only
Sneezing in man is controlled by?
- A. cerebellum
- B. cerebrum
- C. hypothalamus
- D. pineal body
- E. medulla oblongata
The following are courtship behaviors in animals EXCEPT
- A. copulation
- B. display
- C. pairing
- D. seasonal migration
- E. territoriality