SS2 second term Examination on Human Biology

Welcome to your SS2 second term Examination on Human Biology

Name

Class

1. Which keyword matches the following definitions

C. Body regulation

D. Homo regulation

B. Homeostasis

A. Temperature control

2. Which of the following statements accurately describes the function of insulin

A. Simulation of cell respiration

C. Cause glucose to be moved from the blood into the cells

B. Monitors blood glucose concentration

D. It increases the level of glucose in the blood

3. What caused type two diabetes?

B. Type two diabetes is a communicable disease

C low blood sugar levels

D. Being overweight and leading a sedentary lifestyle

A. Tue cells of the pancreas stop producing insulin

4. Some individuals suffer from starvation even though they eat sufficient amount of food . Identify which condition from A-D could explain this

B. Too much adrenaline

C. Too much ADH

D. Too little insulin

A. Too little thyroxin

5. Which of the following functions of the liver results in the production of the bile pigments

C. Detoxification of toxins

B. Release of stored vitamin D

A. Breakdown of haemoglobin

D. Deamination of amino acids

6. Which of the following is not synthesized in the liver

B. Fibrinogen

A. Cholesterol

D. Vitamin D

C. Urea

7. The active secretion process during urine production in the nephron occurs mainly in the

D. Bowman's capsule

A. Loop henle

B. Distal convoluted tubule

C. Proximal convoluted tubule

8. The liver functions are required for ___

D. All of the above

A. Thermoregulation

B. Osmoregulation

C. Homeostasis

9. During catabolism of amino acids,the amino group is released

D. Ammunition

B. Hydrolysin

A. Deamination

C. Hydration

10. Which claim about homeostasis is false

B. Homeostasis activities are regulated by a specific control system

A. As a result,the internal environment fluctuation are extremely limited in comparison to those of the external environment

D. All the preceding

C. Despite large changes in the external environment, homeostatic mechanisms maintain a constant internal environment

11. Homeostasis is best described which of the following

D. Changing the external environment to meet the body's requirements

C. Keeping the internal environment near constant

A. Maintaining a stable and unaltered state of the body

B. Stable equilibrium

12. Which of the following caharater of a system is most likely to result in a stable homeostatic system?

D. Complicatedness

C. Redundancy is a term that refers to a stable form

B. Positive reaction

A. Unfavorable feedback

13. Which of the following hypertension statement is false

A. Hypertension is a medical term that refers to high blood pressure

B. Headache and dizziness are common symptoms of high blood pressure

D. Hypertension raises the chances of heat attack or stroke

C. Lifestyle changes can help manage hypertension in some cases

14. Which of the following statements about glucose is incorrect?

A. Glucose is a sugar that is made of monosaccharides

D. Hypoglycemia refers to a high blood glucose levels

B. Both aerobic and anaerobic metabolism can metabolism glucose

C. A normal blood glucose level is between 4 and 7 mm/mhg

15. Which of the following strategies will not help you return to a normal body temperature if you have a high body temperature

B. Excessive sweating

C. Skin hair flattening

A. Thermogenesis without shivering

D. Blood flow redistribution to the periphery

16. Negative feedback in homeostasis refers to ___

D. A system regulated solely by central nervous system

C. A one time corrective measure that does not repeat

A. A response that amplifies the internal stimulus

B. Insulin mediated glucose uptake by muscle and adipose tissue

17. Which of the following mechanisms explain how the body consumes heat in cold environment

B. Peripheral vasoconstriction and increased metabolic rate

C. Enhancing urinary

A. Increased skin blood flow sweating

D. Activating parasympathetic tone to reduce vasodilation

18. ____ is another term for poikilothermic animals

A. Warm blooded

B. Cold blooded

C. Endothermic

D. Exothermic

19. Homeothermic animals maintain a ____

B. Variable body temperature

C. Low body temperature

A. Constant body temperature

D. High body temperature

20. What is a biological catalyst

D. Mineral

C. Vitamin

B. Hormone

A. Enzyme

Subjective Questions

1. The body maintains glucose homeostasis through ____

2. Why is homeostasis crucial for survival

3. _____&(4)___ are among the organs involved in homeostasis

5. The body regulates temperature through ____

6. _____&(7)____ are among the causes of kidney diseases

8. _____ is the role of bile in digestion

9._____&(10)_____ are among the conditions affecting kidney functions

Theory questions Instruction; Answer any three questions of your choice

1a. Thoroughly describe the skin of mammals 1b. Differentiate between poikilothermic and homeothermic animals

2a. Mention three functions of the pituitary gland 2b. Discuss the liver as a homeostatic organ 2c. List and explain three functions of the liver

3a. Draw and label the diagram of the kidney. 3b. How does the skin regulate the body temperature?

4a. Draw and label the diagram of the skin 4b. Explain five functions of the labelled parts

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