Plant Diversity Lecture Week 1

Play an AI-generated podcast conversation about this lesson

What is the major difference between gymnosperms and angiosperms?

Gymnosperms have flowers while angiosperms do not.
Gymnosperms have vascular tissue while angiosperms do not.
Angiosperms produce seeds enclosed in fruits, unlike gymnosperms. (correct)
Angiosperms do not require water for reproduction, unlike gymnosperms.

What is the primary reason why bryophytes cannot transport water efficiently?

Absence of vascular tissue (correct)
Over-reliance on asexual reproduction
Lack of flowers for water uptake
Inability to produce seeds

Which type of plant has an improved vascular tissue compared to others?

Gymnosperms
Seedless vascular plants
Bryophytes
Angiosperms (correct)

Which of the following is not a characteristic of all plants?

'Naked' seeds on cones (D) Signup and view all the answers

What type of plants require water for reproduction?

Angiosperms and gymnosperms (D) Signup and view all the answers

What distinguishes angiosperms from gymnosperms regarding seed production?

Gymnosperms have naked seeds while angiosperms have seeds enclosed in fruits. (B) Signup and view all the answers

Which plant type has the ability to perform both sexual and asexual reproduction?

All of the above (D) Signup and view all the answers

Which of the following has/have been addressed through the development of genetically modified plants?

All of the above (D) Signup and view all the answers

Cellulose is found in the cell walls of...

All of the above (D) Signup and view all the answers

Quinine and ephedrine...

... are alkaloids with medicinal uses (C) Signup and view all the answers

Mosses are...

bryophytes (D) Signup and view all the answers

When and how did bryophytes evolve?

Evolved 450 million years ago from green algae (C) Signup and view all the answers

Which were the first land plants?

Bryophytes (A) Signup and view all the answers

Which group can serve as effective bioindicators of air quality?

Byrophhytes (C) Signup and view all the answers

Which group shows the greatest potential to acclimate to global warming?

Bryophytes (B) Signup and view all the answers

Which is the correct statement?

Bryophytes are transitional between the charophycean green algae (charophytes) and the vascular plants. (C) Signup and view all the answers

Bryophytes contain --- chlorophyll along with carotenoids.

Two of the above (D) Signup and view all the answers

Which of the following is NOT a similarity between bryophytes and green algae?

Cell walls do not contain cellulose. (C) Signup and view all the answers

Bryophytes have many similarities to vascular plants. Which of the following is INCORRECT?

None of the above/ All are correct (D) Signup and view all the answers

Bryophytes have many similarities to vascular plants. Which of the following is false?

A layer of spores protects multicellular sporangia (C) Signup and view all the answers

Which of the following are NOT challenges for life on land for plants?

Too much access to nutrients and energy (A) Signup and view all the answers

There are many challenges to life on land for plants. Which solution helps the plant with sexual reproduction?

flowers (C) Signup and view all the answers

There are many challenges to life on land for plants. Which solution helps the plant with desiccation?

epidermis, stomata and cuticle (B) Signup and view all the answers

There are many challenges to life on land for plants. Which solution helps the plant with transport?

Xylem and Phloem (C) Signup and view all the answers

There are many challenges to life on land for plants. Which solution helps the plant with support?

lignin and wood (B) Signup and view all the answers

There are many challenges to life on land for plants. Which solution helps the plant with dispersal?

Seeds and fruit (D) Signup and view all the answers

There are five important characteristics of plants; which of the following is correct?

Plants have a multicellular embryo protected within the female parent (D) Signup and view all the answers

There are five important characteristics of plants; which of the following is incorrect?

Plant cell walls contain very little cellulose (C) Signup and view all the answers

This question is about alternation of generations in bryophytes. Which of the following is correct?

Diploid sporophyte produces haploid spores by meiosis (B) Signup and view all the answers

This question is about alternation of generations in bryophytes. Which of the following is correct?

Haploid gametophyte produces gametes by mitosis (A) Signup and view all the answers

This question is about alternation of generations in bryophytes. Which of the following is INCORRECT?

Spores grow in sporophytes (B) Signup and view all the answers

When talking about alternation of generations, which of the following is correct?

Both A and B (C) Signup and view all the answers

Which of the following is false when talking about bryophytes gametophytes?

Antheridia- gametangia producing eggs (B) Signup and view all the answers

Which of the following is false when talking about bryophytes sporophytes?

Plant spore cell walls contain sporopollenin to help with reproduction (D) Signup and view all the answers

Sporophytes and gametophytes are...

Sporophytes are 2N or diploid. Gametophytes are 1N or haploid. (A) Signup and view all the answers

In bryophytes, which structure(s) are on the tips of separate gametophyte thalli?

All of the above (C) Signup and view all the answers

How does reproduction in mosses occur?

When the thallus is covered in free-standing water (D) Signup and view all the answers

Which of the following is not grouped under the bryophytes?

Ferns (Pteridophyta) (B) Signup and view all the answers

Which phylum is the earliest living plant most closely related to green algae?

Marchantiophyta (Liverworts)` (A) Signup and view all the answers

How many species of Liverworts (Marchantiophyta) are there?

5200 (D) Signup and view all the answers

What is the dominant generation in liverworts such as Marchantia?

Gametophyte (D) Signup and view all the answers

Which structure in Marchantia bears the gametangia?

Gametophores (D) Signup and view all the answers

What is the method of asexual reproduction in Marchantia?

Simple fragmentation (A) Signup and view all the answers

Which generation in Marchantia is initiated with fertilization?

Sporophyte (D) Signup and view all the answers

What attaches the maturing sporophyte to the gametophyte in Marchantia?

Sporophyte foot (D) Signup and view all the answers

What is the purpose of the conducting tissue in mosses?

Transporting water and nutrients (B) Signup and view all the answers

Which class of mosses contains the vast majority of moss species?

Bryidae (D) Signup and view all the answers

What is the distinctive feature of sporophytes in Sphagnum moss?

Red to blackish-brown capsules (C) Signup and view all the answers

Which of the following is NOT a common use of Sphagnum moss?

Anti-inflammatory medication (C) Signup and view all the answers

What is the primary function of the pseudopodium in sphagnum moss?

Reproduction (D) Signup and view all the answers

What is the unique feature of granite mosses that allows them to adapt to hostile environments?

Survival under extreme conditions (D) Signup and view all the answers

What is a unique feature of Granite Mosses (Rock Mosses)?

They have four vertical slits on the sporangium (B) Signup and view all the answers

What is the function of leptoids in True Mosses?

Food conduction (C) Signup and view all the answers

How is fertilization achieved in True Mosses?

With sperm swimming down a tube in the archegonium (B) Signup and view all the answers

Where does meiosis occur in True Mosses to produce haploid spores?

Sporangium (D) Signup and view all the answers

What is the function of the calyptra in True Mosses?

Protects the sporangium (A) Signup and view all the answers

What is the function of paraphyses in bryophytes?

Protection and water retention (B) Signup and view all the answers

Where are antheridia clustered in bryophytes?

Leafy structures called splash cups (D) Signup and view all the answers

What is the method of sperm dispersal in bryophytes?

By splashing out from splash cups (A) Signup and view all the answers

How do gametophytes of hornworts (Phylum Anthocerophyta) differ from other bryophytes?

They are more vertical than horizontal (D) Signup and view all the answers

Bryophytes are thought to have evolved from?

Green Algae (A) Signup and view all the answers

In Bryophytes, the gametophyte is...

Haploid and dominant (B) Signup and view all the answers

Both mosses and flowering plants...

have multicellular embryos (D) Signup and view all the answers

Prokaryotes include...

Bacteria (D) Signup and view all the answers

Which of these statements is false about sphagnum moss?

It contains substances that promote the rapid decay of organisms that die in it (D) Signup and view all the answers

Peat moss (sphagnum)...

both B and C (D) Signup and view all the answers

Which statement is true about members of the genus Marchantia?

Both B and C (D) Signup and view all the answers

Plant Diversity Lecture Week 1

Choose a study mode

Podcast

Questions and Answers

What is the major difference between gymnosperms and angiosperms?

What is the primary reason why bryophytes cannot transport water efficiently?

Which type of plant has an improved vascular tissue compared to others?

Which of the following is not a characteristic of all plants?

What type of plants require water for reproduction?

What distinguishes angiosperms from gymnosperms regarding seed production?

Which plant type has the ability to perform both sexual and asexual reproduction?

Which of the following has/have been addressed through the development of genetically modified plants?

Cellulose is found in the cell walls of...

Quinine and ephedrine...

Mosses are...

When and how did bryophytes evolve?

Which were the first land plants?

Which group can serve as effective bioindicators of air quality?

Which group shows the greatest potential to acclimate to global warming?

Which is the correct statement?

Bryophytes contain --- chlorophyll along with carotenoids.

Which of the following is NOT a similarity between bryophytes and green algae?

Bryophytes have many similarities to vascular plants. Which of the following is INCORRECT?

Bryophytes have many similarities to vascular plants. Which of the following is false?

Which of the following are NOT challenges for life on land for plants?

There are many challenges to life on land for plants. Which solution helps the plant with sexual reproduction?

There are many challenges to life on land for plants. Which solution helps the plant with desiccation?

There are many challenges to life on land for plants. Which solution helps the plant with transport?

There are many challenges to life on land for plants. Which solution helps the plant with support?

There are many challenges to life on land for plants. Which solution helps the plant with dispersal?

There are five important characteristics of plants; which of the following is correct?

There are five important characteristics of plants; which of the following is incorrect?

This question is about alternation of generations in bryophytes. Which of the following is correct?

This question is about alternation of generations in bryophytes. Which of the following is correct?

This question is about alternation of generations in bryophytes. Which of the following is INCORRECT?

When talking about alternation of generations, which of the following is correct?

Which of the following is false when talking about bryophytes gametophytes?

Which of the following is false when talking about bryophytes sporophytes?

Sporophytes and gametophytes are...

In bryophytes, which structure(s) are on the tips of separate gametophyte thalli?

How does reproduction in mosses occur?

Which of the following is not grouped under the bryophytes?

Which phylum is the earliest living plant most closely related to green algae?

How many species of Liverworts (Marchantiophyta) are there?

What is the dominant generation in liverworts such as Marchantia?

Which structure in Marchantia bears the gametangia?

What is the method of asexual reproduction in Marchantia?

Which generation in Marchantia is initiated with fertilization?

What attaches the maturing sporophyte to the gametophyte in Marchantia?

What is the purpose of the conducting tissue in mosses?

Which class of mosses contains the vast majority of moss species?

What is the distinctive feature of sporophytes in Sphagnum moss?

Which of the following is NOT a common use of Sphagnum moss?

What is the primary function of the pseudopodium in sphagnum moss?

What is the unique feature of granite mosses that allows them to adapt to hostile environments?

What is a unique feature of Granite Mosses (Rock Mosses)?

What is the function of leptoids in True Mosses?

How is fertilization achieved in True Mosses?

Where does meiosis occur in True Mosses to produce haploid spores?

What is the function of the calyptra in True Mosses?

What is the function of paraphyses in bryophytes?

Where are antheridia clustered in bryophytes?

What is the method of sperm dispersal in bryophytes?

How do gametophytes of hornworts (Phylum Anthocerophyta) differ from other bryophytes?

Bryophytes are thought to have evolved from?

In Bryophytes, the gametophyte is...

Both mosses and flowering plants...

Prokaryotes include...

Which of these statements is false about sphagnum moss?

Peat moss (sphagnum)...

Which statement is true about members of the genus Marchantia?

More Like This

Cell Injury and Types of Cell Death

Necrosis and Apoptosis in Cell Biology

Cell Injury - Types and Features

Cell Death and Its Types