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Plant Basics

Photosynthesis and Cellular

Respiration Mixed Bag Flower /Plant Reproduction

Atoms, Molecules and Compounds

Why do plants need to do both

photosynthesis and cellular respiration?

Plants must do photosynthesis to make

their food (glucose). They must then also do cellular

respiration to withdraw the energy out of the glucose.

How are the materials and products of

photosynthesis and cellular respiration

related?

They are opposite. The products of photosynthesis are the materials of

cellular respiration and the products of cellular respiration are the materials of

photosynthesis. For example the products of photosynthesis are C6H12O6 and 6O2. This is exactly the same as the

materials needed for cellular respiration.

Where is chlorophyll found in a plant cell? What is chlorophyll’s

function?

Chlorophyll is a green pigment found inside the chloroplasts.

The function of the chlorophyll is to capture the energy from the sun. The

plant uses this energy to perform photosynthesis.

Photosynthesis is the process that allows

plants to make their own food, therefore they are

called __________________?

Autotrophs

Explain two reasons why plants being able

to undergo photosynthesis help

us.

Answers will vary. Possible answers are:

1) Without photosynthesis we would have too much carbon dioxide and not enough oxygen.

2) Without photosynthesis plants would not be able to grow and survive and therefore would not be able to

provide us with food, medicine and products.

3) Without photosynthesis plants would not be able to grow and survive and we would not be able to enjoy the

beauty they give to us.

If the eyepiece of the microscope is 10x and the

medium power objective is 10x, what is the total

magnification?

10 x 10=

100x total magnification

True/False. If false-write a sentence or two explaining

why.

You should always use the coarse objective knob when

focusing on high power.

False.

The statement is false because you should never use the

coarse adjustment knob when you are focusing on high

power. You should only use the fine adjustment knob.

Explain the difference between pollination

and fertilization.

Pollination is moving the pollen from one part of the flower to another (in the case of a

perfect flower) or moving the pollen from one flower to another flower.

Fertilization is when the pollen (male sex cell) joins with the egg (female sex cell) and the seed is created. This occurs in the ovary.

What is letter A pointing

to? What is its job?

What is letter B pointing

to? What is its job?

B

A

A is pointing to the nosepiece. The nosepiece holds the objective lenses and

you turn it to change the level of magnification.

B is pointing to the fine objective knob. It raises and lowers the stage a tiny

amount and you use this to “fine tune” your image.

Explain 3 ways seeds can be dispersed.

Animals can move seeds to another location because seeds stick on their fur.

Animals can eat seeds and excrete the seeds in their feces. This helps move them to a new location.

Wind can move seeds to a different location.

Water can carry seeds to new location.

What is the function of the anther and why

is it so important in plant reproduction?

The anther produces pollen (the plant’s male sex cell). Without the anther there would be no pollen to

fertilize the eggs and the plant could not produce seeds. Without seeds the plant would not be able

to reproduce.

After the eggs are fertilized by pollen

the ovary swells and becomes a

___________.

Fruit

What is the letter D pointing to? What are its

TWO functions?

Sepals

The sepals protect the developing bud as it grows

and matures.

They are green so they produce food by photosynthesis.

What two letters make up the male part of the flower? What are the

parts called and what are their functions? What is the entire male

part named?

-The two letters that make up the male part are B and H.-B is called the Anther and it produces pollen and H is called the Filament, it holds the anther up high so its pollen can be taken from one plant to another. -The entire male part is called the Stamen.

What is the female part of the flower called? What three parts make up the

female part? What are all three of their functions ?

The female part is called the pistil. It is made up of the stigma (sticky and catches the pollen), the

style (holds up the sigma so it’s in a good position to catch pollen) and the ovary (holds the eggs and

serves as a place for seeds to grow).

What is an atom?

The smallest amount of any pure substance. Atoms can

not be broken down into smaller pieces and still be

identified as what element they are.

What is an element? Give three examples.

An element is a pure material. The atoms of an element are identical to each other. Three examples

are Carbon, Oxygen and Hydrogen. (answers will vary)

What does the 12 mean in C6H12O6?

In the below equation, how many molecules of C6H12O6 are there?

6CO2 + 6H2O C6H12O6 + 6O2

The 12 means that there are 12 atoms of Hydrogen in one

molecule of glucose.

In the equation, there is one molecule of glucose.

Is a molecule always a compound? Explain.

No.

In order to be a compound the molecule must be made up of at least 2 different

types of atoms, or at least two elements.

O2 is not a compound molecule. H2O is a compound because made of oxygen and

hydrogen.

What are the equations for

photosynthesis and cellular respiration?

Photosynthesis6CO2+6H2O C6H12O6+6O2

Light

Cellular RespirationC6H12O6+6O26CO2+6H2O + energy

Name the outer surface of a plant’s

skin.

Epidermis

Explain why plants want their seeds to be spread out.

Plants want their seeds to be spread out because they don’t want to compete for resources

such as sunlight, water, nutrients in the soil and space

to grow.

How does CO2 enter the plant? Where are these found?

CO2 enters the plant and O2 exits the plant through the stomata. They are found on the backside of

the plant’s leaves.

It requires a lot of energy for a plant to produce a

fruit. Explain why a plant would spend this large

amount of energy.

Producing fruit ensures that a plant will be successful in reproducing. The

fruit is eaten by animals and the animals help disperse the seeds away

from the parent plant. This makes sure the plants do not compete with

each other for space and sunlight.

What does the word “Eukaryotic” mean and how

does it relate to plants?

Eukaryotic- cells contain a nucleus (control center of a cell)

All plant cells are eukaryotic. It is one of the characteristics they

all share.