Question 1 of 20 2,099 total questions
The hormone that promotes secondary sexual characteristics in females is
A insulin
B thyroxin
C testosterone
D oxytocin
E oestrogen
Which of the following organs is concerned with detoxication of harmful compounds?
A Kidney
B Lungs
C Gall bladder
D Liver
E Pancreas
In which part of the kidney does ultrafiltration take place?
A Bowman’s capsule
B Distal convoluted tubule
C Proximal convoluted tubule
D Collecting duct
E Afferent arteriole
Which of these is not a function of the kidney?
A Production of urine
B Maintenance of acid-base balance in the body
C Osmo-regulation
D Removal of urea
E Production of bile
Which of the these is not an excretory product of plant?
A Tannin
B Gum
C Alkaloid
D Sweat
E Anthocyanin
Which of the following does not happen during inspiration?
A intercostal muscles contract
B Ribs move forward
C Thoracic cavity increases
D Diaphragm relaxes
E Internal air pressure decreases
The stomata of a leaf performs the same function as
A spiracles of insects
B trachea of toads
C pharynx of man
D liver of man
E scales of fish
Which of the following organism respires through the body surface
A Man
B Fish
C Tridax
D Amoeba
E Hibiscus
A difference between the auricle and the ventricle of the mammalian heart is that the
A ventricles carry deoxygenated blood
B ventricles do not have outlets
C auricles have no valves
D walls of the ventricles are lese muscular then that of the auricles
E Walls of the ventricles are more muscular than that of the auricles
Which of the following statements about the circulation of blood is not correct?
A Deoxygenated blood flows in the heart through the vena cavae
B Blood is pumped out of the heart through the aorta
C Oxygenated blood from the lung; is carried to the left auricle
D The oxygenated blood enters the lungs through the pulmonary vein
E Ventricles contract to pump blood into the aorta
Which of the following is not a function of the blood?
A Maintenance of body temperature
B Formation of clot
C Distribution of bile
D Transportation of excretory materials.
E Distribution of hormones
The part labelled IV in the diagram is the
A phloem
B pericycle
C cortex
D xylem
E epidermis
The part labelled II in the diagram is the
A epidermis
B cortex
C phloem
D xylem
E cuticle
The above diagram represents a
A longitudinal section of a stem
B longitudinal section of a root
C cross section of a root
D transverse section of stem
E longitudinal section of a leaf
Which of the following is a method of artificial vegetative propagation?
A Creeping stem
B Layering
C Corm
D Rhizome
E Bulbil
Which of the following can be used for vegetative propagation?
A Ginger stem
B Yam leaf
C Plantain roots
D Sweet potato tuber
E Carrot root
Which of the following is a difference between mitosis and meiosis?
A Alignment of chromosomes along the equitorial plane
B Replication of the chromosomes and the cell organelles
C Pairing of homologous chromosomes
D Formation of spindle fibers
E Thickening of chromatin threads at prophase
One major difference between osmosis and diffusion is that diffusion
A does not need a semipermeable membrane
B does not take place in living tissues
C takes place only in a liquid medium
D takes place only in a gaseous medium
E cannot be demonstrated experimentally
Which of the following is not an organ?
A Hair
B Tongue
C Rhizome
D Corn
E Heart
Which of the following organisms exhibits both plant and animal characteristics?
A Amoeba
B Spirogyra
C Mucor
D Euglena
E Moss
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