Test in 10th grade

1. 10th test paper Homeostasis
Section Â
Q. Fill in the blank MARKS 21
1. What is the main function of the kidney? TIME 10m
a) Regulation of body temperature
b) Regulation of blood sugar levels
c) Filtration of blood and waste removal
d) Production of digestive enzymes
2. Which of the following is a waste product excreted by the kidneys?
a) Glucose
b) Oxygen
c) Carbon dioxide
d) Urea
3. Which part of the kidney filters the blood?
a) Glomerulus
b) Renal pelvis
c) Nephron
d) Renal cortex
4. What is the functional unit of the kidney?
a) Renal artery
b) Renal pyramid
c) Nephron
d) Renal capsule

2. 5. What is the name of the tube that carries urine from the kidney to the bladder?
a) Urethra
b) Ureter
c) Urea duct
d) Nephron tube
6. Which of the following is NOT a symptom of kidney disease?
a) Frequent urination
b) Fatigue
c) Increased appetite
d) Swelling of the ankles
7. What is the primary function of the renal pelvis?
a) Filtration of blood
b) Regulation of electrolyte balance
c) Storage of urine
d) Transportation of urine to the bladder
8. Which of the following organs works closely with the kidneys to maintain water balance in the
body?
a) Liver
b) Lungs
c) Heart
d) Skin
9.Which of the following is an example of negative feedback?
A. A dog panting in the hot sun
B. A pregnant woman experiencing contractions
C. Waste building up in your intestines

3. 10. What does it mean to maintain balance or homeostasis?
A. Controlling what happens in the world around you.
B. The controlling and maintaining of the internal environment of an organism.
11.When do you use your excretory organs?
A. When you get sick
B. When you go to the bathroom
C. When you take a breath
12.What might happen if you didn't run a fever when you got sick?
A. You would recover much more quickly
B. Your temperature would drop to dangerous levels
C. Your body wouldn't fight the infection as efficiently as it could
13 The "cause" for something to happen is the
A. Response
B. Effect
C. Stimulus
D. Someostasis
14. When you are hungry, you eat.
What is the response?
A. hunger
B. eating
C. stomach
D. nerves

4. 16. What medical professional specializes in treating patients with blood sugar level problems?
A. Respiratory Therapist
B. Endocrinologist
C. Cardiologist
17.According to the model, what would happen if the pancreas did NOT detect rising blood glucose
(sugar) level?
A. Blood sugar would return to normal
B. Most body cells would take up more glucose
C. Blood sugar would stay above normal
D. The liver would get the message to store glucose as glycogen
18.The ability to maintain body temperature within a certain range is ...
A. thermodynamics
B. thermoregulation
C. thermostat
D. Thermometer
19. If the environment gets cold, we will often shiver in order to:
A. keep body temperature the same as the external temperature
B. decrease body temperature
C. increase body temperature
D. regulate blood pressure
19.If mammals get too warm, their blood vessels
A. constrict to release heat more easily
B. dialate to release heat more easily
C. constrict to prevent heat loss
D. dialate to prevent heat loss

5. 20.The group of organisms that use the process of homeostasis includes
A. mammals, only
B. animals, only
C. plants and animals
D. all living things

6. section B
Q Give suitable answer of the following questions
1.Define Homeostasis and it's important
2.define excretion in plants with examples
3. Define the following terms
A. Osmoregulation
B. Mesophytes
C. Xerophytes
4. Explain skin is a thermoregulation organ
5. Describe the structure and function of kidney
6. Describe urine formation
7. Describe the contribution of ,
A. Alfarabi
B. Abdul-qasim
section Ç
Q 10 marks of viva