Quiz about DIGESTIVE SYSTEM

Question 1

What is the definition for digestion?

Accepted Answer

Breaking down food into smaller nutrients

Answer

Getting rid of waste products

Answer

Getting food into our bodies

Answer

Getting nutrients into our bloodstream, so that our cells can use them

Question 2

What is the definition for absorption?

Accepted Answer

Getting nutrients into our bloodstream, so that our cells can use them

Answer

Breaking down food into smaller nutrients

Answer

Getting rid of waste products

Answer

Getting food into our bodies

Question 3

In which organs do nutrients being absorbed into the blood?

Accepted Answer

small intestine

Answer

esophagus

Answer

stomach

Answer

mouth

Question 4

The muscular tube that moves food from the mouth to the stomach?

Accepted Answer

esophagus

Answer

small intestine

Answer

stomach

Answer

mouth

Question 5

The organ where food doesn't pass through but it does break down fats and detoxify poisons?

Accepted Answer

liver

Answer

small intestine

Answer

stomach

Answer

large intestine

Question 6

The organ that absorbs water from undigested food...

Accepted Answer

large intestine

Answer

liver

Answer

small intestine

Answer

stomach

Question 7

What is the correct order in which food passes through the digestive system?

Accepted Answer

mouth>esophagus>stomach>sm intestine>lg intestine

Answer

mouth>stomach>large intestine>small intestine

Answer

esophagus>sm intestine>stomach>lg intestine

Answer

stomach>sm intestine>esophagus>mouth

Question 8

The chewing and grinding of food into smaller pieces is an example of...

Accepted Answer

Mechanical Digestion

Answer

Chemical Digestion

Question 9

The liquid inside the mouth that contains enzymes to begin digestion is called ____________.

Accepted Answer

saliva

Answer

salivary glands

Answer

bile

Question 10

The major function of having enzymes in our digestive system is ______________.

Accepted Answer

to speed up chemical reactions during digestion

Answer

to eliminate undigested food

Answer

to absorb water in the intestine

Question 11

What churns food and breaks it down further using strong acids?

Accepted Answer

Stomach

Answer

Salivary glands

Answer

Liver

Question 12

enzyme that breaks down

maltose + water = glucose + glucose

Accepted Answer

maltase

Answer

erepsin

Answer

sucrase

Question 13

enzyme that breaks down the

lactose + water = glucose + galactose

Accepted Answer

lactase

Answer

sucrase

Answer

maltase

Question 14

enzyme that breaks down the

sucrose + water = glucose + fructose

Accepted Answer

sucrase

Answer

erepsin

Answer

lactase

Question 15

enzyme that breaks down the

starch + water = maltose

Accepted Answer

pancreatic amylase

Answer

sucrase

Answer

lactase

Question 16

enzyme that breaks down the

lipids globules + water = fatty acid + glycerol

Accepted Answer

lipase

Answer

erepsin

Answer

maltase

Question 17

enzyme that breaks down the

polypeptide + water = peptides

Accepted Answer

trypsin

Answer

lipase

Answer

pancreatic amylase

Question 18

enzyme that hydrolyses:

starch + water = maltose

Accepted Answer

salivary amylase

Answer

renin

Answer

pepsin

Question 19

an organ where bile is stored

Accepted Answer

gall bladder

Answer

liver

Answer

pancreas

Question 20

secrete pancreatic juice into the duodenum that contains digestive enzymes such as trypsin, lipase and pancreatic amylase

Accepted Answer

pancreas

Answer

gall bladder

Answer

liver

Question 21

secrete the enzyme, salivary amylase

Accepted Answer

salivary glands

Answer

liver

Answer

teeth

Question 22

an organ where the chewing action of teeth cuts the food into smaller particles, hence increasing the surface area of the food for enzymatic reaction

Accepted Answer

mouth

Answer

stomach

Answer

intestine

Question 23

What is the main role of the cell wall and cell membrane in the root hair cells?

Accepted Answer

To allow water and minerals to move in and out

Answer

To provide protection and structure

Answer

To store food and energy for the plant

Answer

To communicate with other root cells

Question 24

Remember when you put the celery in the water? What happened to the water level by the next day?

Accepted Answer

The level dropped A LOT because of transpiration.

Answer

The level dropped A LOT, because the celery absorbed it.

Answer

The level stayed the same, because the celery was dead.

Answer

The level dropped a little, because of evaporation.

Question 25

When we weighed the celery before and after leaving it, what did we notice?

Accepted Answer

It weighed a little more (on average), but not as much as the missing water would weigh.

Answer

It weighed a lot more (on average), because it had absorbed lots of water.

Answer

Its weight (on average) stayed the same.

Question 26

When we added red food coloring to the water, what did that prove?

Accepted Answer

That the water was passing through the celery all the way up to the leaves.

Answer

That the celery leaves caught the evaporating red water.

Answer

That the celery was absorbing all the red water.

Question 27

When you dissected the celery, what did the red-dyed parts look like?

Accepted Answer

Long thin red strings.

Answer

Tiny red beads.

Question 28

What was the name of that specialized TISSUE that looked like red tubes or straws?

Accepted Answer

xylem

Answer

phloem

Answer

roots

Answer

stems

Question 29

What is the purpose of the XYLEM?

Accepted Answer

To carry water and nutrients from the roots to the whole plant.

Answer

To bring food from the soil to the whole plant.

Answer

To carry food from the chloroplasts around to all parts of the plant.

Question 30

If plants don't store up water, how does water leave the plant?

Accepted Answer

It is released from the leaves by TRANSPIRATION.

Answer

The roots get rid of excess water.

Answer

Most plants DO store water.

Question 31

What is the name of the microscopic holes in leaves that are opened and closed to allow water to TRANSPIRE?

Accepted Answer

stomata

Answer

water doors

Answer

leaf eyes

Answer

transpiration holes

Question 32

When water moves through the plant's xylem, what phase is it in?

Accepted Answer

Liquid

Answer

Solid

Answer

Gas

Question 33

When water TRANSPIRES from the stoma into the atmosphere, what phase is it in

Accepted Answer

Gas

Answer

Solid

Answer

Liquid

DIGESTIVE SYSTEM

33 questions

What is the definition for digestion?

What is the definition for absorption?

In which organs do nutrients being absorbed into the blood?

The muscular tube that moves food from the mouth to the stomach?

The organ where food doesn't pass through but it does break down fats and detoxify poisons?

The organ that absorbs water from undigested food...

What is the correct order in which food passes through the digestive system?

The chewing and grinding of food into smaller pieces is an example of...

The liquid inside the mouth that contains enzymes to begin digestion is called ____________.

The major function of having enzymes in our digestive system is ______________.

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