Quiz about Science Year 6 Term 1 about photosynthesis

Question 1

The green chemical that performs photosynthesis

Accepted Answer

Chlorophyll

Answer

Chloroplast

Question 2

Small oval bodies containing chlorophyll

Accepted Answer

Chloroplast

Answer

Palisade Layer

Question 3

layer of cells near the top surface of the leaf which contains the chloroplasts

Accepted Answer

Palisade layer

Answer

starch

Question 4

an organic molecule containing nitrogen

Accepted Answer

Protein

Answer

Starch

Question 5

many glucose units stacked together

Accepted Answer

starch

Answer

fertilizer

Question 6

Plants form the starting point of the food chain.

Accepted Answer

True

Answer

False

Question 7

The basic food of all animals and humans is ....

Accepted Answer

Green plant

Answer

Red meat

Question 8

A leaf id a simple combination of various chemicals

Accepted Answer

False

Answer

True

Question 9

....... is gas given off in respiration, absorbed from the air by plants in photosynthesis.

Accepted Answer

Carbon Dioxide

Answer

Oxygen

Question 10

...................is the chemical process of cells doing work; breathing

Accepted Answer

Respiration

Answer

Photosynthesis

Question 11

...................... is an organism that gets its food from decaying plants or animals.

Accepted Answer

Saprophyte

Answer

Angiosperm

Question 12

A plant only requires the correct chemicals to make plant food.

Accepted Answer

False

Answer

True

Question 13

What does the sun supply to a leaf?

Accepted Answer

light energy

Answer

water

Answer

starch

Answer

gas

Question 14

The chemical substance needed to begin the photosynthesis factory are chlorophyll, water and ..............

Accepted Answer

carbon dioxide

Answer

oxygen

Question 15

........................ is produced by human respiration.

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Oxygen

Question 16

The plant food which is made by photosynthesis is called ...............

Accepted Answer

starch

Answer

protein

Question 17

Fungi produce food through photosynthesis.

Accepted Answer

False

Answer

True

Question 18

Photosynthesis is possible only in the stems.

Accepted Answer

False

Answer

True

Question 19

What is true about cells in animals?

Accepted Answer

They cannot produce food.

Answer

They are the same as plant cells.

Answer

They can produce food.

Answer

Some animal cells can produce food.

Question 20

enzyme that breaks down starch into glucose

Accepted Answer

ptyalin

Answer

enzyme

Answer

glucose

Answer

legume

Question 21

chemical which helps speed up organic reactions

Accepted Answer

enzyme

Answer

legume

Question 22

sugar made during photosynthesis

Accepted Answer

Glucose

Answer

Ptyalin

Question 23

a plant which provides material for protein

Accepted Answer

legume

Answer

ptyalin

Question 24

A chemical which speeds up or helps organic chemicals to combine or break down is a(n) ......

Accepted Answer

enzyme

Answer

protein

Question 25

The function of enzymes in plants is to:

Accepted Answer

produce simple glucose from starch

Answer

combine glucose into a large starch molecule

Answer

help manufacture protein

Answer

help make vitamins in plants

Question 26

A starch molecule is like a:

Accepted Answer

chemical battery

Accepted Answer

reservoir of energy

Answer

enzyme

Answer

protein

Answer

simple glucose

Question 27

A thousand simple sugar molecules can be stacked together to make starch.

Accepted Answer

True

Answer

False

Question 28

The only function of glucose is to make starch.

Accepted Answer

False

Answer

True

Question 29

Plants make starch and protein but only animals make lipids and oils.

Accepted Answer

False

Answer

True

Question 30

Seeds obtain their energy (food) directly from the soil as soon as they are planted.

Accepted Answer

False

Answer

True

Question 31

Legumes are plants that produce:

Accepted Answer

protein

Answer

bacteria

Answer

phosphorus

Answer

carbon dioxide

Question 32

In order for photosynthesis to work, all the necessary chemicals and biologic mechanisms must be available.

Accepted Answer

True

Answer

False

Question 33

The most important minerals needed by plants are

Accepted Answer

nitrogen

Answer

protein

Answer

compounds

Question 34

Choose the reason(s) why plants need fertilizer. (There may be more than one answer.)

Accepted Answer

to provide various minerals

Accepted Answer

to provide nitrogen for proteins

Answer

to provide protein for plant growth

Answer

to provide oxygen

Answer

to provide carbon dioxide

Question 35

Fertilizers which are "factory-made" for plants are called

Accepted Answer

synthetic

Answer

organic

Question 36

Most plants absorb the nitrogen which they need from the air.

Accepted Answer

False

Answer

True

Question 37

Most plants can make the proper nitrogen compounds (fertilizer) which they need.

Accepted Answer

False

Answer

True

Question 38

A particular group of plants which can "manufacture" their own fertilizer is known as .......

Accepted Answer

legumes

Answer

saprophytes

Question 39

It is probable that photosynthesis could have started from natural chemical reactions (combinations) because it is basically a simple process.

Accepted Answer

False

Answer

True

Question 40

Starch breaks up into simple units called ............

Accepted Answer

sugars

Answer

proteins

Question 41

By-products of photosynthesis are glucose and

Accepted Answer

oxygen

Answer

carbon dioxide

Question 42

The mineral needed for chlorophyll to work is:

Accepted Answer

magnesium

Answer

water

Answer

nitrogen

Answer

sulfur

Question 43

What do plants manufacture from glucose?

Accepted Answer

protein

Answer

water

Answer

nitrogen

Answer

minerals

Question 44

In what Scripture does God tell us that plants are for the needs of people and animals?

Accepted Answer

Genesis 1:29-30

Answer

John 3:16

Answer

Isaiah 6:12

Answer

Mathew 5:5

Question 45

An organism that carries on photosynthesis in each cell is called:

Accepted Answer

algae

Answer

coleus

Answer

cactus

Answer

bacteria

Question 46

A plant leaf is as complex as a modern chemical factory.

Accepted Answer

True

Answer

False

Question 47

A plant only requires the correct chemicals to make plant food.

Accepted Answer

False

Answer

True

Question 48

Photosynthesis is possible only in the leaves.

Accepted Answer

False

Answer

True

Question 49

Proteins are complex molecules.

Accepted Answer

True

Answer

False

Question 50

A particular group of plants which can "manufacture" their own fertilizer is known as the

Accepted Answer

legumes

Answer

conifers

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