Science and Biology- part 1

Question 1

What is science?

Answer 1

Science is the study of living and non- living things, and the world around us.

Question 2

What are scientists?

Answer 2

Scientists are people who carry out research, give information and make new materials.

Question 3

What is an hypothesis?

Answer 3

An hypothesis is a reasonable explanation of a problem.

Question 4

What is Biology?

Answer 4

The study of living organisms.

Question 5

What is Botany?

Answer 5

The study of plants.

Question 6

What is Zoology?

Answer 6

The study of animals.

Question 7

What is Chemistry?

Answer 7

The study of the structure and the behavior of substances.

Question 8

What is physics?

Answer 8

Study of matter, energy, and how they inter- relate.

Question 9

What is Astronomy?

Answer 9

Study of celestial objects.

Question 10

What is Geology?

Answer 10

Study of the Earth’s crust and other planets.

Question 11

What is Meteorology?

Answer 11

Study of the climate and weather.

Question 12

What is Oceanography?

Answer 12

Study of oceans.

Question 13

What is a microscope?

Answer 13

An instrument that produces an enlarged image of a specimen.

Question 14

What are the 3 danger symbols that u may find in a lab?

Answer 14

• Corrosive
• Flammable
• Poison

Question 15

What are the 7 processes/activities that must take place in order for something to be classified as a living thing?
Hint: MR GRENI

Answer 15

• Movement
• Respiration
• Growth
• Excretion
• Nutrition
• Irritability

Question 16

What is respiration?

Answer 16

The release of energy from food.

Question 17

What is reproduction?

Answer 17

• organisms making copies of themselves

* the production of offspring by a sexual or asexual process.

Question 18

What is irritability?

Answer 18

Ways organisms respond to stimulus (stimuli- plural).

Question 19

What are the levels of organization of an organism?

Answer 19

Cells–Tissues–Systems–Organism

Question 20

What is a cell?

Answer 20

A cell is the basic unit of all living organisms.

Question 21

What is the function of the nucleus?

Answer 21

Controls the activities of the cell.

Question 22

Where are organelles embedded in a cell?

Answer 22

In the cytoplasm

Question 23

What is the protoplasm made of?

Answer 23

*the nucleus
and
*cytoplasm

Question 24

Where does photosynthesis takes place in a cell?

Answer 24

In the chloroplast

Question 25

What is the function of the cell wall in a plant cell?

Answer 25

It provides the cell with support and protection.

Question 26

What is the function of the cell membrane?

Answer 26

Controls what material enters and leaves the cell.

Question 27

What is the function of the mitochondria?

Answer 27

It serves as sites for energy production.

Question 28

Where does Respiration takes place?

Answer 28

In the mitochondria

Question 29

What is the function a the vacuole?

Answer 29

It stores waste, food materials and minerals.

Question 30

Plants that live in water are______. | Plants that live on land are______.

Answer 30

* Plants that live in water are -aquatic- | * Plants that live on land are -terrestrial-

Question 31

What are the two types of Angiosperms?

Answer 31

* Dicotyledons | * Monocotyledons

Question 32

What are the 2 groups that the animal kingdom is divided into?

Answer 32

* vertebrates | * invertebrates

Question 33

What are the 5 classes of vertebrates?

Answer 33

* fish * amphibians * reptiles * birds * mammals

Question 34

What are cold-blooded animals?

Answer 34

Cold-blooded animals are animals that changes their body temperature with the temperature of their surrounding.

Question 35

What are warm-blooded animals?

Answer 35

Warm-blooded animals are animals that maintain a constant body temperature regardless of the temperature of their surroundings.

Question 36

What are the 3 classes of a mollusk?

Answer 36

* Gastropods * bivalve * Cephalopod

Question 37

What is the female reproductive part of the flower and what parts of the flower does it consists of?

Answer 37

The pistil is the female reproductive part and it consists of stigma, style and ovary.

Question 38

What is the male reproductive part of the flower and what does it consist of?

Answer 38

The stamen is the male reproductive part and it consists of the anther and the filament.

Question 39

What part of the flower covers the flower's bud, protects it and keeps it from drying out?

Answer 39

The sepals

Question 40

What part of the flower attracts insects and birds that helps pollinate the flower?

Answer 40

The petals

Question 41

What part of the flower contains pollen grains which contains the sperm cells?

Answer 41

The anther

Question 42

What part of the flower contains ovules which contains the egg sells?

Answer 42

The ovary

Question 43

What is pollination? | What is self-pollination?

Answer 43

When a pollen grain arrives on a stigma- pollination | When a pollen grain is carried from the anther to the stigma of the same flower- self pollination

Question 44

What is germination?

Answer 44

When the conditions are met and the embryo inside the seed develops into a self- supporting plant.

Question 45

What is the formula for photosynthesis?

Answer 45

6 H2O + 6 CO2 + sunlight = 6 O2 + C6H1206

Question 46

What part of the flower conducts photosynthesis?

Answer 46

The leaves

Question 47

What part of the of the flower transports water and minerals to other part of the flower?

Answer 47

The stems

Question 48

List 2 functions of the roots.

Answer 48

* Anchors the plant | * Absorbs water and minerals from the soil

Question 49

What part of the seed allows water to enter the seed?

Answer 49

The micropyle- a small hole in the testa

Question 50

What is the job of the Testa?

Answer 50

To protect the seed from bacteria and insects

Question 51

What is the embryo made up of?

Answer 51

The radicle and plumule

Question 52

Which part of the seed has stored food?

Answer 52

The cotyledon