67 Questions
What is the major difference between gymnosperms and angiosperms?
Angiosperms produce seeds enclosed in fruits, unlike gymnosperms.
What is the primary reason why bryophytes cannot transport water efficiently?
Absence of vascular tissue
Which type of plant has an improved vascular tissue compared to others?
Angiosperms
Which of the following is not a characteristic of all plants?
'Naked' seeds on cones
What type of plants require water for reproduction?
Angiosperms and gymnosperms
What distinguishes angiosperms from gymnosperms regarding seed production?
Gymnosperms have naked seeds while angiosperms have seeds enclosed in fruits.
Which plant type has the ability to perform both sexual and asexual reproduction?
All of the above
Which of the following has/have been addressed through the development of genetically modified plants?
All of the above
Cellulose is found in the cell walls of...
All of the above
Quinine and ephedrine...
... are alkaloids with medicinal uses
Mosses are...
bryophytes
When and how did bryophytes evolve?
Evolved 450 million years ago from green algae
Which were the first land plants?
Bryophytes
Which group can serve as effective bioindicators of air quality?
Byrophhytes
Which group shows the greatest potential to acclimate to global warming?
Bryophytes
Which is the correct statement?
Bryophytes are transitional between the charophycean green algae (charophytes) and the vascular plants.
Bryophytes contain --- chlorophyll along with carotenoids.
Two of the above
Which of the following is NOT a similarity between bryophytes and green algae?
Cell walls do not contain cellulose.
Bryophytes have many similarities to vascular plants. Which of the following is INCORRECT?
None of the above/ All are correct
Bryophytes have many similarities to vascular plants. Which of the following is false?
A layer of spores protects multicellular sporangia
Which of the following are NOT challenges for life on land for plants?
Too much access to nutrients and energy
There are many challenges to life on land for plants. Which solution helps the plant with sexual reproduction?
flowers
There are many challenges to life on land for plants. Which solution helps the plant with desiccation?
epidermis, stomata and cuticle
There are many challenges to life on land for plants. Which solution helps the plant with transport?
Xylem and Phloem
There are many challenges to life on land for plants. Which solution helps the plant with support?
lignin and wood
There are many challenges to life on land for plants. Which solution helps the plant with dispersal?
Seeds and fruit
There are five important characteristics of plants; which of the following is correct?
Plants have a multicellular embryo protected within the female parent
There are five important characteristics of plants; which of the following is incorrect?
Plant cell walls contain very little cellulose
This question is about alternation of generations in bryophytes. Which of the following is correct?
Diploid sporophyte produces haploid spores by meiosis
This question is about alternation of generations in bryophytes. Which of the following is correct?
Haploid gametophyte produces gametes by mitosis
This question is about alternation of generations in bryophytes. Which of the following is INCORRECT?
Spores grow in sporophytes
When talking about alternation of generations, which of the following is correct?
Both A and B
Which of the following is false when talking about bryophytes gametophytes?
Antheridia- gametangia producing eggs
Which of the following is false when talking about bryophytes sporophytes?
Plant spore cell walls contain sporopollenin to help with reproduction
Sporophytes and gametophytes are...
Sporophytes are 2N or diploid. Gametophytes are 1N or haploid.
In bryophytes, which structure(s) are on the tips of separate gametophyte thalli?
All of the above
How does reproduction in mosses occur?
When the thallus is covered in free-standing water
Which of the following is not grouped under the bryophytes?
Ferns (Pteridophyta)
Which phylum is the earliest living plant most closely related to green algae?
Marchantiophyta (Liverworts)`
How many species of Liverworts (Marchantiophyta) are there?
5200
What is the dominant generation in liverworts such as Marchantia?
Gametophyte
Which structure in Marchantia bears the gametangia?
Gametophores
What is the method of asexual reproduction in Marchantia?
Simple fragmentation
Which generation in Marchantia is initiated with fertilization?
Sporophyte
What attaches the maturing sporophyte to the gametophyte in Marchantia?
Sporophyte foot
What is the purpose of the conducting tissue in mosses?
Transporting water and nutrients
Which class of mosses contains the vast majority of moss species?
Bryidae
What is the distinctive feature of sporophytes in Sphagnum moss?
Red to blackish-brown capsules
Which of the following is NOT a common use of Sphagnum moss?
Anti-inflammatory medication
What is the primary function of the pseudopodium in sphagnum moss?
Reproduction
What is the unique feature of granite mosses that allows them to adapt to hostile environments?
Survival under extreme conditions
What is a unique feature of Granite Mosses (Rock Mosses)?
They have four vertical slits on the sporangium
What is the function of leptoids in True Mosses?
Food conduction
How is fertilization achieved in True Mosses?
With sperm swimming down a tube in the archegonium
Where does meiosis occur in True Mosses to produce haploid spores?
Sporangium
What is the function of the calyptra in True Mosses?
Protects the sporangium
What is the function of paraphyses in bryophytes?
Protection and water retention
Where are antheridia clustered in bryophytes?
Leafy structures called splash cups
What is the method of sperm dispersal in bryophytes?
By splashing out from splash cups
How do gametophytes of hornworts (Phylum Anthocerophyta) differ from other bryophytes?
They are more vertical than horizontal
Bryophytes are thought to have evolved from?
Green Algae
In Bryophytes, the gametophyte is...
Haploid and dominant
Both mosses and flowering plants...
have multicellular embryos
Prokaryotes include...
Bacteria
Which of these statements is false about sphagnum moss?
It contains substances that promote the rapid decay of organisms that die in it
Peat moss (sphagnum)...
both B and C
Which statement is true about members of the genus Marchantia?
Both B and C
Test your knowledge on the types of cell death, including programmed cell death (PCD) and necrosis, as well as the role of apoptosis in animal cells for tissue remodelling, eliminating unwanted cells, and cells with completed functions. Explore programmed cell death in plants during embryogenesis.
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