TRANSPORT 01

Total Questions: 30

1 - In most plants, the food is transport in the form of;

A ) Glucose
B ) Sucrose ✅
C ) Starch
D ) Proteins

2 - Stomata close when the guard cells;

A ) Lose water ✅
B ) Gain chloride ions
C ) Become turgid
D ) Gain potassium ions

3 - Trace the pathway of water from the soil through the plan to the atmosphere.

A ) Endodermis, cortex, epidermis, xylem, intercellular spaces in mesophyll, stomata
B ) Epidermis, endodermis, phloem, cortex of leaf, intercellular spaces of mesophyll, stomata
C ) Root hairs, epidermis, cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata
D ) Root hairs, cortex, endodermis, xylem, intercellular spaces in mesophyll, stomata ✅

5 - What is correct about human red blood cells?

A ) Have limited life span ✅
B ) Are capable of phagocytosis
C ) Produce antibodies
D ) Are multinucleate

6 - Which of the following tissue layer is found in our blood vessels?

A ) Smooth muscle
B ) Endothelium ✅
C ) Skeletal muscle
D ) Connective tissue

7 - Which of the following contains deoxygenated blood in an adult human?

A ) Left atrium
B ) Pulmonary artery ✅
C ) Pulmonary vein
D ) All of these

8 - Which of the following chambers has the thickest walls in human hear

A ) Right atrium
B ) Left atrium
C ) Left ventricle ✅
D ) Right ventricles

9 - Which of these statements is correct about the circulatory system?

A ) It transports hormones ✅
B ) Capillaries have thicker walls than veins
C ) Systematic circulation carries blood to and from the lungs
D ) All are true

10 - The exchange of materials between the blood and the surrounding tissues occurs in;

A ) Arteries
B ) Veins
C ) Capillaries ✅
D ) All of these

11 - Which of the following is a type of leukocyte?

A ) Lymphocytes
B ) Eosinophil
C ) Monocyte ✅
D ) All of these

12 - Which of the following is a function of human blood?

A ) It regulates body temperature
B ) It transports wastes
C ) It provides defense
D ) All of these

13 - Valves to prevent the backflow of blood are found in;

A ) Arthritis
B ) Veins ✅
C ) Capillaries
D ) All of the above

14 - Plasma is made up of water and ____.

A ) Metabolites and wastes
B ) Salts and ions
C ) Proteins
D ) All of the above

15 - Which of these are responsible for blood clotting?

A ) Platelets ✅
B ) Erythrocytes
C ) Neutrophils
D ) Basophils

16 - 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

17 - 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

18 - The death of the heart tissue is called;

A ) Arteriosclerosis
B ) Atherosclerosis
C ) Myocardial infarction ✅
D ) Thalassaemia

19 - 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

20 - Following is not true about the opening hand closing of stomata;

A ) Light helps in the opening and closing of stomata
B ) K+ ions are responsible for the opening and closing of stomata
C ) The osmosis of water is responsible for the opening and closing of stomata
D ) None of these

21 - The rate of transpiration is increased when:

A ) Light is low
B ) Temperature decreases
C ) Humidity increases
D ) None of these

22 - Area for the supply of food in plants is:

A ) Leaf
B ) Stem
C ) Fruit
D ) All of these

23 - There is separation of oxygenated and deoxygenated blood in birds and mammals because:

A ) The ventricles are completely divided ✅
B ) The ventral aorta is divided into aortic and pulmonary trunk.
C ) The aortic arch is divided into two systemic arches.
D ) None of above

24 - Following blood vessels has oxygenated blood:

A ) Pulmonary artery
B ) Pulmonary vein ✅
C ) Superior vena cava
D ) Inferior vena cava

25 - The amount of plasma is blood is:

A ) 35%
B ) 45%
C ) 55% ✅
D ) 65%

27 - The normal pH of the human blood is;

A ) 6.4
B ) 7.4 ✅
C ) 8.4
D ) 9.4

28 - The percentage of the plasma protein in the blood is;

A ) 4 - 5
B ) 5 - 6
C ) 7 - 8
D ) 7 - 9 ✅

29 - Following proteins is not present in the plasma of the blood:

A ) Immunoglobulin or antibodies
B ) Albumin
C ) Haemoglobin ✅
D ) Fibrinogen

30 - When do the atria contract?

A ) Before diastole
B ) After systole
C ) During diastole
D ) During systole ✅