Characteristics of Living Organisms

Question 1

Unicellular

Answer 1

Made up of a single cell carrying out all functions

Question 2

Multicellular

Answer 2

Made up of many specialised cells carrying out specific functions

Question 3

All living organisms

Answer 3

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 4

Cytoplasm

Answer 4

The jelly-like material in which all the cell’s organelles are found. It is also the site where most cellular reactions occur.

Question 5

Cell membrane

Answer 5

It forms a boundary between the cytoplasm of the cell & outside. It also controls which substance can enter & leave the cell-partially permeable.

Question 6

Nucleus

Answer 6

It has the DNA of the cell that contains genes which controls all the activities of the cell.

Question 7

Mitochondria

Answer 7

The site of energy release by respiration.

Question 8

Ribosome

Answer 8

The site of protein synthesis

Question 9

Cell wall

Answer 9

It is made up of cellulose. It maintains the shape of the cell & prevents bursting of the cell when extra water enters.

Question 10

Vacuole

Answer 10

Mature plant cells has large permanent vacuole filled with cell sap that stores water & nutrients.

Question 11

Chloroplast

Answer 11

They contain chlorophyll that carry out photosynthesis in plants.