Cells,Tissues and Organs

Question 1

What are you looking at when you look into a microscope?

Answer 1

Specimen

Question 2

What is the specimen placed on?

Answer 2

Slide

Question 3

What is put over a specimen?

Answer 3

Coverslip

Question 4

Why is a coverslip used?

Answer 4

To stop the specimen from drying out, holds it flat and stops it from moving.

Question 5

What might be used to see parts of the cell clearer underneath the microscope?

Answer 5

Stain

Question 6

What are cells with special shapes called?

Answer 6

Adapted cells

Question 7

A group of cells=

Answer 7

A tissue

Question 8

A group of different tissues working together=

Answer 8

Organ

Question 9

Name the organs in a plant

Answer 9

Stem, Leaf, Root

Question 10

Name the organs in a human

Answer 10

Brain, Skin, Heart, Lungs, Stomach ,Lungs, Liver, Kidneys, Large Intestine, Small Intestine

Question 11

What are sex cells produced by?

Answer 11

The reproductive organs.

Question 12

Where are the reproductive organs in plant?

Answer 12

Anther

Question 13

What are sex cells used for? How many parents does it need?

Answer 13

Sexual reproduction. 2 parents

Question 14

What are the offspring of the parents called?

Answer 14

New varieties

Question 15

How are the pollen grains carried from the anther to the stigma of another plant?

Answer 15

Insects or the wind

Question 16

What is the carrying of the pollen to another stigma called?

Answer 16

Pollination

Question 17

Once on the stigma, what does the pollen grow?

Answer 17

Pollen tube

Question 18

Where does the pollen tube enter?

Answer 18

The Ovule

Question 19

What does the ovule contain?

Answer 19

Egg cell

Question 20

What happens for the pollen to get fertilised?

Answer 20

The nucleus from the pollen grain joins with the nucleus inside the egg cell.