Trắc nghiệm Sinh học 11 Bài 20 có đáp án

Lesson 20: Homeostasis

Question 1: When talking about the pH of blood in normal people, which of the following statements is true?

A. The average pH ranges from 5.0 to 6.0.

B. Kidney function plays a role in pH regulation.

C. When the body is active, it always increases the pH.

D. Reduce CO . concentration₂ in the blood will lower the pH.

The answer:

It means FUCK

A is wrong because the average human blood pH ranges from 7.35 to 7.45

C is wrong because when the body is active, the blood pH decreases

D is false because of the decrease in CO . concentration₂ blood pH increases.

The answer to choose is: GET

Question 2: When talking about the pH of blood in normal people, which of the following statements is false?

A. The average pH ranges from 5.0 to 6.0.

B. Reduce CO . concentration₂ in the blood will lower the pH.

C. When the body is active, it always increases the pH.

D. Both A, B and C

The answer:

A is wrong because the average human blood pH ranges from 7.35 to 7.45

B is incorrect because of the decrease in CO . concentration₂ blood pH increases.

C is wrong because when the body is active, the blood pH decreases

The answer to choose is: EASY

Question 3: Why do we feel thirsty?

A. Because the osmotic pressure in the blood decreases.

B. Because the osmotic pressure in the blood increases.

C. Because the concentration of glucose in the blood increases.

D. Because the concentration of glucose in the blood decreases.

The answer:

When the osmotic pressure in the blood increases due to eating salty foods, sweating a lot... → the kidneys enhance water reabsorption, and the animal feels thirsty at the same time.

The answer to choose is: GET

Question 4: The feeling of thirst arises when:

A. High osmotic pressure in the blood.

B. Low osmotic pressure in the blood.

C. High blood glucose.

D. Low blood glucose.

The answer:

When the osmotic pressure in the blood increases due to eating salty foods, sweating a lot... → the kidneys enhance water reabsorption, and the animal feels thirsty at the same time.

The answer to choose is: A

Question 5: The kidney plays an important role in which homeostatic mechanism?

A. Blood pressure regulation.

B. Mechanism of maintaining blood glucose levels.

C. Osmotic pressure regulation.

D. Regulate blood pressure and osmotic pressure.

The answer:

The kidneys play an important role in the regulation of osmotic pressure

The answer to choose is:

Question 6: The kidney plays a major role in the mechanism

A. blood sugar regulation

B. temperature regulation

C. osmotic pressure regulation

D. regulation of blood pressure and osmotic pressure

The answer:

The kidneys regulate the amount of water, salt and ions in the blood, so they have a role in regulating osmotic pressure and blood pressure.

The answer to choose is:

Question 7: In the mechanism of maintaining homeostasis, the internal organs or skeletal system are:

A. stimulus receiver

B. control unit

C. implementation department

D. Both A, B and C.

The answer:

In the mechanism of maintaining homeostasis, the internal organs or the skeletal system are the implementers.

The answer to choose is:

Question 8: The implementing part in the mechanism of maintaining homeostasis has the following functions:

A. Controls the functioning of organs by sending nerve or hormone signals.

B. Increase or decrease the activity in the body to bring the inner environment to a state of balance and stability.

C. Receiving stimuli from the environment and forming nerve impulses.

D. Acts on stimulants based on nerve and hormonal signals.

The answer:

The part of the mechanism that maintains homeostasis has the function of increasing or decreasing the activity in the body to bring the internal environment to a state of balance and stability.

The answer to choose is: GET

Question 9: Increasing or decreasing activity in the body to bring the inner environment to a state of balance and stability is a function of:

A. Reception department.

B. Control unit.

C. Implementation department

D. Both A and B.

The answer:

The performing part receives nerve signals from the control body → increases or decreases the activity → changes the physical and chemical conditions of the environment → brings the environment back to a state of equilibrium and stability.

The answer to choose is:

Question 10: In what order does the mechanism to regulate blood glucose levels increase?

A. Pancreas → Insulin → Liver and body cells → Blood glucose decreases.

B. Liver → Insulin → Pancreas and body cells → Blood glucose decreases.

C. Liver → Pancreas and body cells → Insulin → Blood glucose decreases.

D. Pancreas → Insulin → Liver → body cells → Blood glucose decreases.

The answer:

The mechanism of regulation of increased blood glucose levels takes place in the following order: Pancreas → Insulin → Liver and body cells → Blood glucose decreases.

The answer to choose is: A

Question 11: In humans, after a meal rich in starch, blood glucose levels increase. The body regulates blood glucose levels by which of the following reactions?

1. The pancreas secretes insulin

2. The pancreas secretes glucagon

3. The liver converts glucose into glycogen

4. The liver converts glycogen into glucose

5. Cells in the body increase the intake and use of glucose

A. 2,4,5

B. 1,3.5

C. 1,4,5

D. 2,3,5

The answer:

When blood glucose levels rise, the pancreas secretes insulin so that the liver converts glucose into glycogen at the same time. Cells in the body increase uptake and use of glucose

The answer to choose is: GET

Question 12: Homeostasis is:

A. Maintain the stability of the environment in the cell.

B. Maintain the stability of the environment in the tissue.

C. Maintain the stability of the environment in the body.

D. Maintain the stability of the environment in the agency.

The answer:

Homeostasis is the maintenance of a stable physical and chemical environment in the body.

The answer to choose is:

Question 13: Homeostasis is:

A. The balance of water in the body

B. The ratio of absorption and excretion of minerals is balanced.

C. The case in the body environment has the same rate of anabolism and catabolism

D. In case of maintaining stable osmotic pressure, blood pressure, and pH of the environment inside the body.

The answer:

Homeostasis is maintaining the stability of the internal environment of the body: For example, maintaining stable osmotic pressure, blood pressure, pH..

The answer to choose is: EASY

Question 14: In what order does the mechanism to maintain homeostasis take place?

A. Stimulus Receiver -> Control Unit -> Execution Unit -> Stimulus Receiver.

B. Control Unit -> Stimulus Receiver -> Execution Unit -> Stimulus Receiver.

C. Stimulus Receiver -> Execution Unit -> Control Unit -> Stimulus Receiver.

D. Execution department -> Stimulus receiver -> Control unit -> Stimulus receiver.

The answer:

Stimulus Receiver à Controller → Executor → Stimulus Receiver

The answer to choose is: A

Question 15: The mechanism of regulation of homeostasis when there is a stimulus of the external or internal environment takes place in the following sequence:

A. Receptors → Central nervous system, endocrine glands → Response organs → Receptors.

B. Nervous system, endocrine glands → Response parts → Receptors.

C. Receptors → Central Nervous System, Endocrine Glands → Response Parts

D. Response parts → Receptors → Central nervous system, endocrine glands → Receptors.

The answer:

The regulation of homeostasis when there is a stimulus from the external or internal environment takes place in the following sequence: receptor → central nervous system, endocrine gland → Response organ → receptor.

The answer to choose is: A

Question 16: The reverse relationship is:

A. Abnormal change in physico-chemical conditions in the internal environment after being adjusted has the opposite effect on the stimulus-receiving part.

B. Abnormal changes in physico-chemical conditions in the clear environment before being adjusted have an adverse effect on the stimulus-receiving part.

C. Abnormal change in physico-chemical conditions in the internal environment returning to normal after being adjusted has an adverse effect on the stimulus-receiving part.

D. Abnormal change in physico-chemical conditions in the internal environment to return to normal before being adjusted has an adverse effect on the stimulus-receiving part.

The answer:

The internal medium, after returning to equilibrium, acts back on the stimulus receiver and transmits it to the control unit.

The answer to choose is:

Question 17: The environment in the body that acts in reverse to the stimulus receiver and transmits it to the control part is called:

A. Back contact.

B. Cycle.

C. Endocrine system.

D. The home environment.

The answer:

The environment in the body that acts back on the stimulus receiver and transmits it to the controller is called: Back contact.

The answer to choose is: A

Question 18: The stimulus receptor in the mechanism of maintaining homeostasis is:

A. Central nervous or endocrine glands.

B. Nutritional organs such as kidneys, liver, heart, blood vessels...

C. Receptors or receptors.

D. Reproductive organs.

The answer:

The receptors for stimuli in the mechanism of maintaining homeostasis are receptors or receptors.

The answer to choose is:

Question 19: In the mechanism of maintaining homeostasis, the receptors or receptors are:

A. stimulus receiver

B. control unit

C. central nervous system or endocrine glands

D. internal organs or musculoskeletal system.

The answer:

The receptors or receptors act as receptors for the stimulus.

The answer to choose is: A

Question 20: The stimulus receptor in the mechanism of maintaining homeostasis has the following functions:

A. Increases or decreases the activity in the body to bring the inner environment to a state of balance and stability.

B. Receiving stimuli from the environment and forming nerve impulses.

C. Controls the functioning of organs by sending nerve or hormone signals

D. Change the physical and chemical conditions of the environment in the body.

The answer:

Stimulus receptor has the function: to receive stimuli from the environment (inside, outside) and form nerve impulses to transmit to the control part.

The answer to choose is: GET

Question 21: Receiving stimuli from the environment (inside, outside) and forming nerve impulses transmitted to the control part is the function of:

A. Reception department.

B. Control unit.

C. Implementation department

D. Both A and B.

The answer:

Stimulus receptor has the function: to receive stimuli from the environment (inside, outside) and form nerve impulses to transmit to the control part.

The answer to choose is: A

Question 21: The control part in the mechanism of maintaining homeostasis is:

A. Central nervous or endocrine glands.

B. Nutritional organs such as kidneys, liver, heart, blood vessels...

C. Receptors or receptors.

D. Reproductive organs.

The answer:

The controller in the mechanism of maintaining homeostasis is the central nervous system or endocrine glands.

The answer to choose is: A

Question 23: In the mechanism of maintaining homeostasis, the central nervous system or endocrine glands are:

A. stimulus receiver

B. control unit

C. implementation department

D. Both A, B and C.

The answer:

The controller in the mechanism of maintaining homeostasis is the central nervous system or endocrine glands.

The answer to choose is: GET

Question 24: The control part in the mechanism of maintaining homeostasis has the following functions:

A. Controls the functioning of organs by sending nerve or hormone signals.

B. Change the physical and chemical conditions of the environment in the body.

C. Receiving stimuli from the environment and nerve impulses.

D. Increase or decrease the activity in the body to bring the inner environment to a state of balance and stability.

The answer:

The control unit in the homeostatic maintenance mechanism controls the functioning of organs by sending nerve or hormone signals.

The answer to choose is: A

Question 25: Controlling the activities of organs by sending nerve or hormone signals is the function of:

A. Reception department.

B. Control unit.

C. Implementation department

D. Both A and B.

The answer:

Controller: controls the functioning of organs by sending nerve or hormone signals

The answer to choose is: GET

Posted by: Trinh Hoai Duc High School

Category: Grade 11, Born 11