Question 1 of 20 2,099 total questions
The medulla oblongata controls all the following except
A heart beat
B breathing rate
C blood pressure
D balance and posture
Iodine is needed by a patient suffering from a malfunctioning of the
A salivary gland
B thyroid gland
C adrenal gland
D sebaceous gland
Which of the following is not a function of the liver in mammals?
A Storage of some vitamins
B Conversion of glycogen into glucose
C Deamination of excess nitrogenous substances
D Filtration of urea from the blood.
Glomerular nitrate contains
A no glucose
B amino acids
C no proteins
D urea
Terrestrial plants exchange gases through the following except
A chloroplast
B stomata
C lenticels
D root-cells
Which of the following is correct about the transverse section of a vein, when compared with that of an
A The lumen of a vein is wider than that of an artery
B The endothelium of the vein is thinner than that of an artery
C There are more smooth muscles in a vein than in an artery
D There are valves in veins but not in arteries.
Which of the following bones forms a joint at the point labelled II in the diagram?
A Humerus
B Sternum
C Radius
D Femur
The part labelled l in the diagram is for the attachment of
A ribs
B biceps
C shoulder muscles
D the vertebral column
Which of the following bones is illustrated in the diagram?
A Tibia
B Humerus
C Patella
D Scapula
Turgor pressure occurs in a cell when the?
A volume of its cell sap increases
B cell loses water to its environment
C volume of cell decreases
D cell is put in an isotonic solution
The teeth used for tearing and cutting are
A canine and molars
B premolar and incisors
C molar and incisors
D canine and incisors
Which of the following arrangements is the correct sequence of the process?
A II, I, IV, V and III
B IV, II, I, III and V
C IV, I, II, V and III
D V, II, III, IV and I
Which of the following organisms exhibits 'the stages listed above during conjugation?
A Chlamydomonas
B Euglena
C Spirogyra
D Volvox
During anaerobic respiration in skeletal muscles, pyruvic acid is
A reduced to lactic acid
B oxidized to ethanol
C oxidized to lactic acid
D reduced to water
The vessel that carries blood from the heart to the lungs is called an artery because it
A contains oxygenated blood
B contains more blood than the other vessels
C carries blood away from the heart
D has thick inelastic wall
One of the similarities between algae and mosses is their possession of
A chlorophyll
B stem
C leaves
D roots
Root hairs absorb water from the soil by
A diffusion
B osmosis
C plasmolysis
D translocation
Which of the following diseases results from the deficiency of insulin?
A Cretinism
B Goitre
C Beri-beri
D Diabetes
Which of the following features of Paramecium is not an advancement over Amoeba? The possession of
A definite shape
B cilia
C oral groove
D nucleus
Which of the following organisms does not exist as a single cell?
A Amoeba
B Euglena
C Volvox
D Chlamydomonas
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