science unit test

Question 1

Cell theory

Answer 1

All organisms are made of one or. more cells
All cells arise from pre-existing cells
Cells are the structural and functional unit of life

Question 2

M- Metabolism

Answer 2

Living things undertake essential chemical reactions such as photosynthesis and respiration

Question 3

R- Reproduction

Answer 3

Living things produce offspring either sexually or asexually
Sexually: Animals
Assexually: Bacterias

Question 4

S- Sensitivity

Answer 4

living things respond to stimuli either external or internal.

Question 5

H- Homeostasis

Answer 5

Living things seek to maintain a stable internal environment
Ex:
Cold- shivers
hot- sweat

Question 6

E- Execreation

Answer 6

Living things exhibit the removal of waste products such as; CO2, Feces, and urine

Question 7

N- Nutrition

Answer 7

Living things exchange materials and gases with the environment such as food minerals and o2.

Question 8

G- Growth

Answer 8

Living things change shape or size throughout time.

Question 9

Cytoplasm function

Answer 9

Provides a medium foe the orgnelles remains suspended

Question 10

Nucleoid Function

Answer 10

Where the genetic material of the cell is located, controlling the activity and reproduction of prokaryotic cells.

Question 11

Ribosomes

Answer 11

Responsible for making proteins

Question 12

Cell wall

Answer 12

surrounding the cell membrane of plants algae funghi and bacteria

Question 13

Cytoskeleton

Answer 13

Skeleton of the cell

Question 14

Golgi apparatus

Answer 14

Organell that acts as the packing center of the cell

Question 15

Nucleus

Answer 15

It controls the function of the cell and stores DNA

Question 16

Chloroplast

Answer 16

Responsible for the photosynthesis process (producing energy in plants)

Question 17

Endoplasmic reticulum

Answer 17

The network of vesicles can be smooth or ruff.

Question 18

The correct sequence of the 4 phases of mitosis

Answer 18

Prophase, Metaphase, Anaphase, telophase

Question 19

Correct sequence

Answer 19

organelles, cell, tissue, organ

Question 20

Correct sequence KPCOFGS

Answer 20

Domain, Kingdom, Phylum, class

Question 21

Smallest and most diverse group

Answer 21

species

Question 22

All organisms are made of one or more cells

Answer 22

true

Question 23

All cells arise from pre-existing cells

Answer 23

true

Question 24

the human egg cell is the smallest human cell

Answer 24

false

Question 25

The cell is the structural and functional unit of life

Answer 25

true

Question 26

Eukaryotik have simple cell structure with a nucleus

Answer 26

false

Question 27

Prokaryotic has a nucleoid

Answer 27

true

Question 28

Some organisms are made of only one cell

Answer 28

true

Question 29

Mitosis is a process where a single cell divides twice to produce 4 cells containing half the original amount of genetic information

Answer 29

false

Question 30

Mitosis produces 2 genetically identical daughter cells from a single parent cell

Answer 30

true

Question 31

Answer to the joke:

Answer 31

Because the nucleus is the brain of the cell

Question 32

Answer to the joke of the lysome:

Answer 32

Lysosome is responsible for digestion.

Question 33

A student is observing a cell, she observes that there is a cell wall and vesicle. Is it an animal or a plant cell?

Answer 33

PLANT CELL