BIOLOGY EXAM COMPLETE QUESTIONS AND ANSWERS 100% A+ GRADED
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Course
Ib biology
Institution
Ib Biology
BIOLOGY EXAM COMPLETE
QUESTIONS AND ANSWERS
100% A+ GRADED
Hydrolysis - ANSWER Type of chemical reaction where water is
added to a polymer and used to break (lyse) it into 2 monomers.
Monosaccharide - ANSWER Monomer of carbohydrate, i.e. glucose.
Amino acid - ANSWER Mo...
BIO EXAM COMPLETE QUESTIONS
AND SOLUTIONS
DETAILED TEST A+ GRADED
When cell is making gametes, because it is already haploid is used: - ANSWER ✔ Mitosis cell
division
Multicellular dependent embryo - ANSWER ✔ When the zygote is formed it sits inside the
plant. Sort of like mammals.
Zygote is the fusion of: - ANSWER ✔ A sperm and egg
The walled spores are produces in the: - ANSWER ✔ Sporangia
When the spores are mature the sporangia bursts open and: - ANSWER ✔ The spores are
released into the air.
In plants the multicellular gametangia: - ANSWER ✔ Produces the gametes
What gametangia produces the egg? - ANSWER ✔ Archegonium
What gametangia produces the sperm? - ANSWER ✔ Antheridium
What is the process called for plants growing longer? - ANSWER ✔ Apical meristems
Meristems are the only tissue capable of: - ANSWER ✔ Cell division
What is another term for nonvascular plants? - ANSWER ✔ Bryophytes
Nonvascular plants do not have what? - ANSWER ✔ Don't have specialized tissues to deliver
fluids from place to place.
How many types of gametophytes are there and what are there names? - ANSWER ✔ 2- the
male and female gametophyte.
What is found on the top of the male gametophyte? - ANSWER ✔ Antheridia.
What produces in the Antheridia? - ANSWER ✔ Large amounts of sperm
What forms on top of the female gametophyte? - ANSWER ✔ Archegonia.
, What produces in each archegonia? - ANSWER ✔ One egg
Why do Moses have to live in a film of water? - ANSWER ✔ So sperm can swim thru the
water.
Land plants evolved from: - ANSWER ✔ Green algae
In what ways are the structures of the green algae and the land plant the same? - ANSWER ✔
Multicellular, eukaryotic, photosynthetic, & autotrophs.
Land plants and green algae have the same cell walls made up of what? - ANSWER ✔
Cellulose which stiffens up the cell wall.
What kind of photosynthesis chlorophyll are similar in green algae and land plants? - ANSWER
✔ Chlorophyll a & b.
What is the phylum for green algae? - ANSWER ✔ Chlorophyla
What is the class of green algae? - ANSWER ✔ Charophytes
Chara - ANSWER ✔ Looks like a plant with a stem. Used in an aquarium at home.
Covio keet - ANSWER ✔ Big green disk that floats in the water.
Have to produce cellulose to create: - ANSWER ✔ Cell walls
Proteins in charophytes and plants are arranged in what type of structure? - ANSWER ✔ A ring
structure on the surface of a membrane.
The structure of the flagellated sperm in land plants and charophytes are: - ANSWER ✔ Similar
Phragmoplasts are: - ANSWER ✔ A rigid cell plate that is created after the nuclei separates.
Once phragmoplasts form then cellulose begins to: - ANSWER ✔ Accumulate on either side of
the phragmoplasts. Which becomes the new cell wall.
Phragmoplasts show the cellulose were to: - ANSWER ✔ Form
Plants and charophytes have: - ANSWER ✔ Phragmoplasts
Sporopoletin is found on: - ANSWER ✔ Outer layer of pollen & outer layer of spores on
SOME plants & spores on charophytes.
Sporopoletin is: - ANSWER ✔ A molecule and immortal. Nothing can break it.
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