Chapter 1

Question 1

What is a Cell?

Answer 1

Cells are the basic building blocks of all living things.

Question 2

What is a Cell Wall?

Answer 2

A cell wall is strong and stiff and it holds the plant cell in shape.

Question 3

What is a Cell Wall made of? (PLANTS)

Answer 3

Plant cell walls are made of a substance called cellulose.

Question 4

What is a Cell Membrane?

Answer 4

A cell membrane is very thin and flexible and it controls what goes in and out of the cell.

Question 5

What is a Cytoplasm?

Answer 5

Cytoplasm is where chemical reactions happen inside it to keep the cell alive.

Question 6

What is a Nucleus?

Answer 6

A nucleus is something that controls the activities of the cell.

Question 7

What is a Sap Vacuole?

Answer 7

A sap vacuole is a storage unit in plant cells, holding water and nutrients, helping with cell structure and support.

Question 8

What is a Chloroplast?

Answer 8

A chloroplast is a tiny plant cell part that turns sunlight into food (glucose) and oxygen through photosynthesis.

Question 9

What is a Mitochondrion?

Answer 9

A mitochondrion is a cell’s power station, generating energy from nutrients.

Question 10

What does a MICROSCOPE do?

Answer 10

A microscope makes small things look big.

Question 11

What is the name of the part where you place the slide for viewing?

Answer 11

Stage

Question 12

Which part of the microscope magnifies the image further?

Answer 12

Eyepiece

Question 13

What is the name of the lens that provides high magnification?

Answer 13

High-power objective lens

Question 14

Which lens of the microscope provides low magnification?

Answer 14

Low-power objective lens

Question 15

What component of the microscope controls the amount of light passing through the specimen?

Answer 15

Mirror

Question 16

Which knob on the microscope is used for rough focusing?

Answer 16

Coarse focusing knob

Question 17

What is the name of the knob used for precise focusing?

Answer 17

Fine focusing knob

Question 18

What parts of a plant cell that animals don’t have?

Answer 18

Cell Wall, Sap Vacuole and Chloroplast.

Question 19

What is the specialized cell responsible for carrying oxygen throughout the body?

Answer 19

Red blood cell

Question 20

Which cell type is specialized for transmitting electrical signals in the nervous system?

Answer 20

Neuron (nerve cell)

Question 21

What type of cell has tiny hair-like structures on its surface to move substances along surfaces, like in the respiratory tract?

Answer 21

Ciliated cell

Question 22

What is the specialized plant cell found in the root system that increases surface area for absorption of water and minerals?

Answer 22

Root hair cell

Question 23

Which plant cell type is responsible for photosynthesis and has a high concentration of chloroplasts?

Answer 23

Palisade cell

Question 24

What does a brain do?

Answer 24

The brain controls everything we do, from breathing to thinking and feeling.

Question 25

What does a heart do?

Answer 25

The heart pumps blood to keep us alive.

Question 26

What does a stomach do?

Answer 26

The stomach breaks down food into smaller pieces using digestive juices, so it can be absorbed in the intestines.

Question 27

What does the intestine do?

Answer 27

The intestine absorbs nutrients from food and passes waste material out of the body.

Question 28

What do lungs do?

Answer 28

Lungs help us breathe by taking in oxygen and releasing carbon dioxide.

Question 29

What are tissues?

Answer 29

Tissues are groups of similar cells that work together for a specific job in the body.

Question 30

What are organs?

Answer 30

Organs are groups of tissues with a specific function.

Question 31

What is an organ system?

Answer 31

Organ systems are collections of organs working together to perform tasks in the body.

Question 32

What is an organism?

Answer 32

An organism is a living being, like a plant, animal, or microorganism.

Question 33

Put tissues, organ system, organs and organisms in order.

Answer 33

Tissues, Organs, Organ system and organisms.