Cells and Organisms yr7

Question 1

cell

Answer 1

the smallest functioning unit of a living organism. it contains parts to carry out life processes

Question 2

cell membrane

Answer 2

the cell component that surrounds the cell and controls movement of substances in and out

Question 3

cell wall

Answer 3

the cell component that surrounds the cell and strengthens it. (In plant cells, it is made of cellulose)

Question 4

Chloroplast

Answer 4

the plant cell component that absorbs light so the plant can make food by photosynthesis

Question 5

cytoplasm

Answer 5

jelly-like substance (found in cells) where most chemical process happens

Question 6

digestive system

Answer 6

organ system that breaks down and then absorbs food molecules

Question 7

leaf cell

Answer 7

the plant cell that contain chloroplasts, where photosynthesis takes place

Question 8

microscope

Answer 8

An optical instrument used to magnify objects, so small details can be seen clearly

Question 9

mitochondria

Answer 9

part of the cell where food molecules are broken down during the process of respiration, enabling energy transfer

Question 10

nerve cell

Answer 10

an animal cell that transmits electrical impulses around the body

Question 11

Nucleus

Answer 11

the cell component that contains genetic material (DNA) , which controls the cell’s activities

Question 12

organ

Answer 12

a group of different tissues working together to carry out a function

Question 13

organ system

Answer 13

a group of organs working together to perform a function

Question 14

red blood cell

Answer 14

an animal cell that transports oxygen around the body

Question 15

respiration

Answer 15

a chemical reaction where food and oxygen are converted into water and carbon dioxide, and enabling energy transfer.

Question 16

root hair cell

Answer 16

a plant cell that takes in water and minerals from the soil

Question 17

specialised cell

Answer 17

a cell whose shape and structure enable it to perform a particular function

Question 18

sperm cell

Answer 18

a cell containing male genetic material

Question 19

adaptation

Answer 19

special features to help a cell to carry out its functions

Question 20

tissue

Answer 20

group of cells of one type, working together to perform a function

Question 21

uni-cellular (organism)

Answer 21

living things made up of one cell

Question 22

vacuole

Answer 22

the cell component that contains liquid, and can be used by plants to keep the cell rigid and store substances

Question 23

organisms in plant cells

Answer 23

cell wall
cell membrane
nucleus
mitochondria
vacuole
cytoplasm
chloroplast
ribosomes

Question 24

organisms in an animal cell

Answer 24

nucleus
cytoplasm
cell membrane
mitochondria
ribosomes