chapter 13, plants 🌺

Question 1

What is made during photosynthesis?

Answer 1

Glucose is made during photosynthesis. Glucose stores energy.

Question 2

How is energy released from glucose?

Answer 2

Energy is released using respiration when the plant’s cells need energy.

Question 3

What do plants use glucose for?

Answer 3

Plants also use glucose to build new cells.

Question 4

What happens when plants absorb more light energy?

Answer 4

The more light energy plants absorb, the more they photosynthesize and the more biomass they have.

Question 5

What does plant biomass supply to herbivores?

Answer 5

Plant biomass supplies all the energy and building materials that herbivores need to grow, which then get passed down to carnivores.

Question 6

What does respiration break down?

Answer 6

Respiration breaks down glucose. Uses oxygen. Exothermic- releases energy.

Question 7

What is the function of chloroplasts in photosynthesis?

Answer 7

Chloroplasts produce glucose and release oxygen into the air. Endothermic- takes in light energy.

Question 8

Where does photosynthesis take place?

Answer 8

Photosynthesis takes place in chloroplasts, which are in leaf cells. They take in carbon dioxide from the air, through the stomata.

Question 9

How is water carried from the roots?

Answer 9

Water is carried from the roots through xylem vessels

Question 10

Where does photosynthesis take place?

Answer 10

Photosynthesis takes place in chloroplasts

Question 11

How is glucose stored?

Answer 11

Glucose is stored as starch

Question 12

How does carbon dioxide enter the leaf?

Answer 12

Carbon dioxide enters the leaf through stomata on its underside

Question 13

What is detected through iodine?

Answer 13

Starch is detected through iodine

It makes it turn into a dark bluish black colour

Question 14

What is the independent variable?

Answer 14

The variable that you change. (always graphed on the x axis.)

Question 15

What is the dependent variable?

Answer 15

The variable that you measure. (always graphed on the y axis.)

Question 16

What is the controlled variable?

Answer 16

The variable that is constant, to make it a fair test.

Question 17

What is hydroponics?

Answer 17

Hydroponics is a method of growing plants without soil, using nutrient-rich water solution.

Question 18

Where do plants take in essential minerals from?

Answer 18

Plants absorb essential minerals from the soil to support their growth and development.

Question 19

What is the function of nitrogen in nitrates?

Answer 19

Makes protein to build new cells

Nitrogen in nitrates makes protein to build new cells.

Question 20

What is the function of potassium?

Answer 20

Used during photosynthesis and respiration

Potassium is used during photosynthesis and respiration.

Question 21

What is the function of phosphorus in phosphates?

Answer 21

Involved in energy transfer during photosynthesis and respiration

Phosphorus in phosphates is involved in energy transfer during photosynthesis and respiration.

Question 22

What is the function of magnesium?

Answer 22

Used to make chlorophyll

Magnesium is used to make chlorophyll.

Question 23

what is phytoextraction?

Answer 23

the process of using plants to absorb toxic metals from water and soil

Question 24

what are hyperaccumulators

Answer 24

plants that can survive in polluted spils

Question 25

where are metals stored in plants?

Answer 25

vacuoles

Question 26

what is arsenic used for

Answer 26

Solar panels

Question 27

what are the male parts of a flower called? And wgat are the different parts and their functions?

Answer 27

they are called stamens. That includes the anther that produces pollen which carries male sex cells. Amd a filament which keeps the anther in a good position.

Question 28

what are the female parts of a flower called? What are the different parts and theur functions.

Answer 28

they are called carpel. thos includes the ovary, which carries ovules that contain female sex cells. Above the ovary is a stigma which catches pollen. The style seperates the stigma and the ovaries.

Question 29

what are gametes?

Answer 29

the male and female sex cells of a plant

Question 30

what is pollination?

Answer 30

the process of pollen moving from a stamen to a stigma

Question 31

what are the features of insect pollinated plants?

Answer 31

bright petals, scents, and sweet nectar.

Question 32

what are the features of a wind pollinated plant?

Answer 32

their pollen is light and small, and their stamens and feathery stigma stick out to catch the wind

Question 33

what is the process of fertilisation?

Answer 33

a pollen grain sends a pollen tube down through the style to an ovule. The male gametes nucleus moves down the tube and enters an egg cell, and fuses eith is nucleus. The fertilised egg grows into an embryo and the ovule produces a seed to protect it. The ovary forms a fruit arpund it.

Question 34

What part do animals play in speed dispersal?

Answer 34

some seeds stick to animals feet or hook onto their fur. Other times, when fruits are eaten, the bigger seeds are thrown out and the smaller seeds come out through their faeces