Plants Flashcards
(26 cards)
What does it mean if the iodine turns black on a leaf?
The leaf has starch and has been photosynthesised
What part of the plant absorbs nutrients and water?
Roots
Where do you find the the xylem tubes?
Stem
Why does the plant need glucose?
For energy
What do the plants leaves need to absorb?
Sunlight
Why are the chloroplasts important?
For photosynthesis
What is the flower and its petals important for?
attracting bees for reproduction making new seeds that make new flowers
What is biomass?
An increase in the dry mass of biological material over a given period of time
How can a plant increase its biomass?
Keep photosynthesising
What is the stamen?
A) collects pollen
B) contains the egg cell
C) the male sex organ- made of the filament and the anther
The male sex organ - made of the filament and the anther
What is the anther?
A) part of the make sex organ - makes pollen
B) connects the stigma to the ovary
C) attracts insects
Part of the male sex organ - makes pollen
What is the filament?
A) a thin stalk that supports the anther
B) collects pollen
C) carries the pollen nucleus down to the egg cell
A thin stalk that supports the anther
What is the carpel?
A) makes pollen
B) the female sex organs - made of the stigma, the style and the ovary
C) found inside the ovary
The female sex organs - made of the stigma, the style and the ovary
What is the stigma?
A) attracts insects
B) a thin stalk that supports the anther
C) collects pollen
Collects pollen
What is the style?
A) contains the egg cell
B) connects the stigma to the ovary
C) grows out of the pollen grain and into the stigma
Connects the stigma to the ovary
What is the ovule?
A) found inside the ovary ; contains the egg cell
B) collects the pollen
C) made of the filament and the anther
Found inside the ovary ; contains the egg cell
What is the pollen tube?
A) found inside the ovary
B) a thin stalk that supports the anther
C) grows out of the pollen grain and into the stigma : carries the pollen nucleus down to the egg cell
Grows out of the pollen grain and into the stigma : carries the pollen nucleus down to the egg cell
Seed dispersal
Wind, water, explosive and animal
What is germination?
Producing a root and a shoot
What effect does iron give on plants?
A) resistance to disease
B) produces chlorophyll
C) proper growth
Iron helps produce chlrophyll
What effect does sulphur have on plants?
A) for photosynthesis, respiration and to absorb water
B) to make DNA and cell membranes
C) resistance to disease
Resistance to disease
What effect does nitrogen have on plants?
A) needed to make amino acids for protein and growth
B) produce chlorophyll
C) needed to make chlrophyll for green leaves
Needed to make amino acids for protein and growth
What effect does magnesium have on plants?
A) for photosynthesis, respiration and to absorb water
B) needed to make chlorophyll for green leaves
C) make DNA and cell membranes
Needed to make chlrophyll for green leaves
What effect does potassium have on plants?
A) for photosynthesis, respiration and to absorb water
B) proper growth
C) produce chlorophyll
For photosynthesis, respiration and to absorb water