Question 1 of 20 135 total questions
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:
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
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