9th class Biology
Chapter 9
Transport
Exercise solved Mcqs
1. 1. In most plants, food
is transported in the form of;
a) Glucose
b)
Sucrose
c) Starch
d) Proteins
2. 2. Stomata close when
guard cells;
a)
Lose water
b) Gain chloride ions
c) Become turgid
d) Gain potassium ions
3. Trace the pathway of
water from soil through the plant to atmosphere.
a) Endodermis, cortex, epidermis, xylem, intercellular space
in mesophyll, stomata,
b) Epidermis, Endodermis, phloem, cortex of leaf,
intercellular space of mesophyll, stomata,
c)
Root hairs, epidermis, cortex endodermis,
xylem, intercellular space of mesophyll, stomata,
d) Root hairs, cortex endodermis, xylem, intercellular space
of mesophyll, stomata,
4 4. When fibrinogen make
blood clot it separators from blood and their reminder is called;
a) Plasma
b) Lymph
c)
Serum
d) Puss
5. 5. What is correct about
human red blood cells?
a)
Have limited life span
b) Are capable of phagocytosis
c) Produced antibodies
d) Are multinucleated
6. 6. Which of the
following tissue layer is found in all blood vessels?
a) Smooth muscle
b)
Endothelium
c) Skeletal muscle
d) Connective tissue
7. 7. When do the atria
contract?
a) Before diastole
b) After systole
c) During diastole
d)
During systole
8. 8. Which of the
following contains deoxygenated blood in a adult human?
a) Left atrium
b)
Pulmonary artery
c) Pulmonary vein
d) All of the above
9. 9. Which of the following
chambers has the thickest walls in the human heart?
a) Right atrium
b)
Left atrium
c) Left ventricle
d) Right ventricle
10. Which of these statements is correct about circulatory system?
a)
It transport hormones
b) Capillaries have thicker walls then veins
c) Systemic circulation carries blood to and from the lungs
d) All are true
1 11. Exchange of materials between blood and surrounding
tissues occurs in;
a) Arteries
b) Veins
c)
Capillaries
d) All of the above
12. Which of the following is the type of leukocytes?
a) Lymphocytes
b) Eosinophil
c) Monocytes
d) All of the above
13. Which of the following is a function of human blood?
a) It regulates body temperature
b) It transports wastes
c) It provides defence
d)
All of the above
14. Valves to prevent the backflow af blood are found in;
a) Arteries
b)
Veins
c) Capillaries
d) All of the above
15. Plasma is made up of water and __________.
a) Metabolites and wastes
b) Salts and ions
c) Proteins
d)
All
of the above
16. Which of these are responsible for blood clotting?
a)
Platelets
b) Erythrocytes
c) Neutrophils
d) Basophils
17. Find the correct path of blood circulation?
a) Left atrium, left ventricle, lungs , right atrium, right
ventricle, body
b)
Right
atrium, right ventricle, lungs, Left atrium, left ventricle, body
c) Left atrium, left ventricle, Right atrium, right ventricle, lungs, body
d) Right atrium, lungs, right ventricle, left atrium, body
left ventricle
1 18. A patient with blood group A can be given the blood of
donor who has;
a) Blood group A or AB
b)
Blood group A or O
c) Blood group A only
d) Blood group O only
19. The death of hearth tissue is called?
a) Atherosclerosis
b) Arteriosclerosis
c)
Myocardial
d) Thalassaemia
20. What happens when a mismatched blood group is injected in
recipient?
a) Antibodies of the recipient’s blood destroy donor’s RBCs
b) Antibodies of the donor’s blood breakdown recipient’s
RBCs
c)
Both of these can happen
d) None of these happens and such transfusion can be safe
