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Y10: Homeostasis

Total soal: 20

Worksheet time: 15mins

Nama
Kelas
Tanggal
1.

Insulin converts glucose to glycogen

a)

True

b)

False

2.

Negative feedback; if there is a decrease in the factor, then something happens to make it .............

a)

decrease

b)

increase

c)

equal

d)

lessen

3.

Carbohydrate is transported through the human bloodstream in the form of .............. in solution in the blood plasma.

a)

glycogen

b)

glucose

c)

starch

d)

carbohydrate

4.

Glucose is converted into the polysaccharide .........., a large, insoluble molecule made up of many ....... units

a)

glycogen, glucose

b)

glucose, glycogen

c)

starch, glucose

d)

glycogen, maltose

5.

The homeostatic control of blood glucose concentration is carried out by two hormones secreted by endocrine tissue in the ..........

a)

heart

b)

gall bladder

c)

liver

d)

pancreas

6.

Which two organs are visible on the flowchart?

a)

Liver and pancreas

b)

Liver and lungs

c)

Pancreas and red blood cells

d)

Pancreas and fat

7.

What specific molecule does high blood “sugar” refer to?

a)

Pressure

b)

Insulin

c)

Oxygen

d)

Glucose

8.

What substance does the pancreas release when there is HIGH blood sugar?

a)

Glucagon

b)

Insulin

c)

Beta cells

d)

Glucose

9.

What happens when glucagon is released?

a)

Glucose enters the liver

b)

The pancreas releases glucose into the blood

c)

The liver releases glucagon into the blood

d)

The liver releases glucose into the blood

10.

maintain stable internal environment

a)

receptor

b)

type 2 diabetes

c)

homeostasis

d)

insulin

11.
The term for maintaining internal temperature is: 
a)
Thermoregulation
b)
Thermometer
c)
Homeothermal
d)
Homeostasis
12.
Maintaining body temperature is an example of a:
a)
negative feedback loop
b)
positive feedback loop
13.

Which of the following occurs when the body is too hot?

a)

Shivering

b)

Sweating

c)

Vasodilation

d)

Vasoconstriction

14.

Which of the following DOES NOT occur when the body is too cold?

a)

Shivering

b)

Vasoconstriction

c)

Hairs stand on end

d)

Hairs lie flat

15.

What is the effector that is responsible for someone to start sweating?

a)

Smooth muscle

b)

Sweat glands

c)

Skeletal muscle

d)

Liver cells

16.

Your body temperature should be.....

a)

around 10 degrees celsius

b)

Around 25 degrees celsius

c)

around 37 degrees celsius

d)

around 50 degrees celsius

17.

Which of these animals cannot maintain an internal temperature different from the surrounding environment?

a)

Human

b)

Dog

c)

Cat

d)

Snake

18.

According to the model, what is a normal blood glucose (sugar) level?

a)

270 mg/100mL

b)

180 mg/100 mL

c)

45 mg/100 mL

d)

90 mg/100 mL

19.

____________________ helps warm the human body when we are cold.

a)

sweating

b)

shivering

c)

inhaling oxygen

d)

exhaling carbon dioxide

20.
a body system that controls growth and homeostasis by secreting hormones from glands.
a)
skeletal system
b)
nervous system
c)
endocrine sytem
d)
integumentary system