Organization of the organism | 2

Question 1

What are the parts of Plant cells

Answer 1

Cytoplasm , Cell membrane , nucleus , mitochondria , ribosomes , Cell wall , vacuole , chloroplast

Question 2

What are parts of animal cells

Answer 2

Cytoplasm , Cell membrane , nucleus , mitochondria , ribosomes

Question 3

What are the parts of a bacteria cell

Answer 3

Cytoplasm , Cell membrane , Circular DNA , Plasmids , Ribosomes , Cell wall

Question 4

What are the parts of Plant cells that are not present in animal cells

Answer 4

Cell wall , vacuole , chloroplast

Question 5

What are the parts in Plants cell that are not there in Bacteria cell

Answer 5

Nucleus , Mitochondria , Vacuole , Choloroplasts

Question 6

Describe the cytoplasm

Answer 6

Jelly - like with particles and organelles

enclosed by cell membrane

holds cell organelles (mitochondria , nucleus)

site on chemical reactions

Question 7

Describe the Cell membrane

Answer 7

PARTIALLY PERMEABLE layer that forms a boundary around the cytoplasm

Prevents cell contents from leaking and controls what substances enter and leave cell

Question 8

Nucleus

Answer 8

Circular structure containing DNA in the form of chromosomes

In the cytoplasm

Controls Cell division , development , activites

Question 9

Mitochondria

Answer 9

Circular organelles , in the cytoplasm

Responsible for aerobic respiration

Question 10

Ribosomes

Answer 10

Circular structures attached to the membrane or living free

performs protein synthesis

Question 11

Cell wall

Answer 11

Tough , layer made of cellulose surrounding cell membrane

Prevents plant cells from bursting

Allows water and salts to pass through

FREELY PERMEABLE

Question 12

Vacuole

Answer 12

Fluid filled space surrounded by a membrane

in the cytoplasm

Contains salt and sugars , helps to keep plant cells firm

Question 13

Chloroplasts

Answer 13

Organelle containing chlorophyll

inside cytoplasm of plant cells

Traps light energy for photosynthesis

contains green pigment chlorophyll

Question 14

Circular DNA

Answer 14

A single circular chromosome

Controls cell division , activites , Development

Question 15

Tissue

Answer 15

Large number of similar cells packed together form a tissue

Question 16

Organ

Answer 16

Different tissues arranged together form organs

Question 17

Organ System

Answer 17

Group of related organs working together to carry out functions in the body

Question 18

Magnification =

Answer 18

image size / actual size

Question 19

Ciliated Cells

Answer 19

ciliated cells are found lining the trachea.

They have hair-like projections called cilia which move together
and creates a stream of mucus to carry away dust and bacteria away from lungs

Question 20

Root Hair Cell

Answer 20

Adapted to have a large surface area .This speeds up the rate of osmosis and mineral ion uptake in plants.

Cell membrane is able to control which dissolved substance enters the cell

Question 21

Palisade mesophyll cells

Answer 21

this is where photosynthesis occurs.

Mesophyll cells are tall and closely packed to efficiently absorb light and contain lots of chloroplasts for photosynthesis.

They are also placed at the top of the leaf (under the upper epidermis) where most of the light hits enabling them to absorb as much light energy as possible

Question 22

Nerve Cells

Answer 22

nerve cells are adapted to rapidly transmit electrical impulses.

Nerve cells are myelinated, which insulates the cell and prevents the impulse weakening and slowing down

Fibers are often long

Question 23

Red blood cells

Answer 23

red blood cells contain hemoglobin which allows them to carry oxygen around the body.

They have a biconcave shape which increases their surface area, allowing for rapid diffusion.

They also have thin cell membranes to decrease the diffusion distance.

They do not contain a nucleus, thus have more space for oxygen.

Question 24

Sperm Cell

Answer 24

sperm cells are adapted by containing lots of mitochondria so that the cell has enough energy to reach the egg cell.

It has a tail to allow movement and contains digestive enzymes to help penetrate the egg cell membrane.

The front contains a nucleus which carries genetic information

Acrosome secretes enzymes to digest the cells around egg and egg membrane

Question 25

Egg cell

Answer 25

Spherical

Have a large amount of cytoplasm , containing yolk droplets made up of protien and fat

Nucleus carries genetic information

function is for reproduction , has membrane and jelly coat

Question 26

Give example of Tissue in animal and plant

Answer 26

Bone , nerve , muscle

Epidermis , Xylem , pith

Question 27

Give example of organ in animal and plant

Answer 27

Heart , Lungs , Liver

Root , Stem , Leaves

Question 28

Give example of organ system in animal and plant

Answer 28

Circulatory system , nervous system

Shoot