Biology

Question 1

Bios

Answer 1

Life

Question 2

Logos

Answer 2

knowledge

Question 3

What is biology ?

Answer 3

the study of life

Question 4

What distinguishes a living organisms from a non-living object?

Answer 4

Living organsisms must be able to carry out metabolism which ensures the continuity of life

Question 5

Metabolism

Answer 5

the sum of all the chemical reactions in an organism

Question 6

what controls the rate of all reactions

Answer 6

enzymes

Question 7

2 types of reactions

Answer 7

anabolic reactions (anabolism)
catabolic reactions (catabolism)

Question 8

plant anabolism

Answer 8

photosynthesis

Question 9

animal anabolism

Answer 9

protein synthesis

Question 10

Photosynthesis equation

Answer 10

6CO2 + 6H2O –sunlight and chlorophyll–> C6H12O6 + 6O2

Question 11

Continuity of life

Answer 11

Living organism arise form other living organisms of same species

Question 12

Characteristics of life definition

Answer 12

The characteristics necessary to allow for metabolism and continuity of life

Question 13

6 characteristics of life

Answer 13

Organisation
Nutrition
Respiration
Excretion
Response (sensitivity)
Replace

Question 14

uincellular

Answer 14

consist of one cell eg.Amoeba

Question 15

multicellular

Answer 15

consist of many cells

Question 16

Nutrition

Answer 16

the way an organism obtains and uses food

Question 17

Autotrophic

Answer 17

organisms that make their own food using simple molecules and sunlight eg. plants

Question 18

Heterophic

Answer 18

organisms that cannot make food and must use food made by other organisms eg.animals, fungi

Question 19

Respiration

Answer 19

the release of energy by breaking down food molecules

Question 20

Excretion

Answer 20

the removal of waste products of metabolism from the body

Question 21

Response (Sensitivity)

Answer 21

Responding to changes in the environment (stimuli)