Cells

Question 1

Classification of Domain

Answer 1

Bacteria
Arkaea
Eukarya

Question 2

Which domains are prokaryotic?

Answer 2

Bacteria

Arkaea

Question 3

Single-celled organisms that don’t have membrane-bound nucleus

Answer 3

Bacteria

Arkaea

Question 4

Domain that live in extreme environments that lack oxygen, too hot or cold or salty

Answer 4

Arkaea

Question 5

Domain found everywhere: water soil atmosphere, our body

Answer 5

Bacteria

Question 6

Domain that have membrane-bound nucleus

Answer 6

Eukarya

Question 7

Kingdoms of domain Eukarya

Answer 7

Protists
Fungi
Plants
Animals

Question 8

Characteristics of living things

Answer 8

Organized
Reproduce
Homeostatic
Grow and develop
Respond to stimuli
Use food and energy
Able to adapt to environment

Question 9

Organization of life

Answer 9

Atom
Molecule
Cell
Tissue
Organ 
Organ system
Organism
Population 
Community 
Ecosystem 
Biosphere

Question 10

What is the smallest unit of life

Answer 10

Cell

Question 11

Group of cells the person specific function

Answer 11

Tissue

Question 12

Group of tissues that perform specific functions

Answer 12

Organs

Question 13

Organs that work together form ….

Answer 13

Organ system

Question 14

Organs systems work together to form complex ….

Answer 14

Organisms such as human being

Question 15

All the members of a species in a particular area

Answer 15

Population

Question 16

What’s species

Answer 16

A group of organism that can interbreed and produce fertile offsprings

Question 17

Community

Answer 17

Interacting populations in a particular area

Question 18

Ecosystem

Answer 18

When communities interact with physical environment like water gases soil and climate they form ecosystem

Question 19

Biosphere

Answer 19

All parts of earth from air land to water where living organisms are found

Question 20

Taxonomy

Answer 20

Assignment of a two-part man to each spacies

Question 21

What is the first part of a scientific name

Answer 21

Genus to which species belong

Question 22

What is the scientific name’s second part?

Answer 22

Species name

Question 23

What is energy flow?

Answer 23

Energy comes in ecosystem as sunlight and leaves as heat

Is passed along food chained

Energy doesn’t cycle

Question 24

Chemical cycling

Answer 24

Chemicals move from one species to another in a food chan until when with death and decomposition, they are retuned to plants again

Question 25

Biodiversity

Answer 25

The total number of species, the variety of their genes, and the ecosystems in which their live

Question 26

Extinction

Answer 26

Permanent loss of a species or larger taxonomic group

Question 27

What are different phases of scientific method?

Answer 27

``` Observation Propose hypothesis Make predictions Design experiment Analyze data Write paper n publish results Well tested and accepted hypothesis becomes theory ```

Question 28

What is inductive reasoning?

Answer 28

Inductive reasoning makes broad generalizations from specific observations We go from specific to general

Question 29

What is hypothesis?

Answer 29

Tentative(unsure) explanation about a natural event.

Question 30

What is deductive reasoning?

Answer 30

In deductive inference, we hold a theory or hypothesis and based on it we make a prediction of its consequences.

Question 31

The manner in which a scientist intends to conduct an experiment is called ...

Answer 31

Experimental design

Question 32

What is control group?

Answer 32

It goes through all the steps of the experiment but but its not exposed to the factor being tested

Question 33

What is model in an experiment?

Answer 33

A representation of an actual object Like mice used instead of human

Question 34

What is the data in an experiment?

Answer 34

The results of an experiment

Question 35

Data should be objective or subjective?

Answer 35

Objective and observable

Question 36

Meaning homeostasis

Answer 36

Internal environment of and organism stays relatively constant

Question 37

What is principle or "law"

Answer 37

A theory generally accepted by an overwhelming number of scientists Principle or "law"

Question 38

In an experiment, what's the group that receives treatment?

Answer 38

Experimental group

Question 39

In an experiment, what is control?

Answer 39

The group that recorded no treatment

Question 40

The factor of the experiment being tested is called...

Answer 40

Experimental variable Or Independent variable

Question 41

The result of an experiment is called....

Answer 41

Response variable Or Dependent variable

Question 42

Classification of organisms

Answer 42

``` Domain Kingdom Phylum Class Order Family Genus Species ```

Question 43

What's matter?

Answer 43

Anything that takes up space and has mass

Question 44

What are states of matter?

Answer 44

Solid Liquid Gas

Question 45

What's element?

Answer 45

Element is a substance that can't be broken down to simpler substance by ordinary chemical means

Question 46

How many natural elements exist?

Answer 46

92

Question 47

What are the main elements of earth's crust?

Answer 47

Silicon, Aluminum, Oxygen

Question 48

What are the main elements of organisms?

Answer 48

``` CHNOPS Carbon Hydrogen Nitrogen Oxygen Sulfur Phosphorus ```

Question 49

What's atom?

Answer 49

Smallest part of an element that displays the properties of that element.

Question 50

Sodium

Answer 50

Na

Question 51

What are there subatomic particles?

Answer 51

Proton Neutron Electron

Question 52

What's atomic number?

Answer 52

All atoms of an element have the same number of protons. This is called atomic number

Question 53

What is the mass number of an atom?

Answer 53

The sum of protons and neutrons in the nucleus

Question 54

What's isotope?

Answer 54

Atoms of the same element that differ in the number of neutrons

Question 55

I is the symbol of which element?

Answer 55

Iodine

Question 56

Epilepsy

Answer 56

صرع

Question 57

Thyroid

Answer 57

تيروييد

Question 58

فسفر

Answer 58

Phosphorus | P

Question 59

سولفور

Answer 59

Sulfur | S