Podcast
Questions and Answers
Which structures are borne on different trees in cycas?
Which structures are borne on different trees in cycas?
- Male cones (correct)
- Nucellus
- Female cones
- Megasporophylls
What is the composite structure called that protects the nucellus in gymnosperms?
What is the composite structure called that protects the nucellus in gymnosperms?
- Ovule (correct)
- Male cone
- Female cone
- Pollen grain
Where are the ovules borne in gymnosperms?
Where are the ovules borne in gymnosperms?
- Nucellus
- Male cones
- Megasporophylls (correct)
- Female cones
How many megaspores are formed when the megaspore mother cell divides meiotically?
How many megaspores are formed when the megaspore mother cell divides meiotically?
Where is the multicellular female gametophyte retained in gymnosperms?
Where is the multicellular female gametophyte retained in gymnosperms?
Do the male and female gametophytes in gymnosperms have an independent free-living existence?
Do the male and female gametophytes in gymnosperms have an independent free-living existence?
What is released from the microsporangium in gymnosperms?
What is released from the microsporangium in gymnosperms?
How are the pollen grains carried to the opening of the ovules in gymnosperms?
How are the pollen grains carried to the opening of the ovules in gymnosperms?
Where does the pollen tube carrying the male gametes grow towards in gymnosperms?
Where does the pollen tube carrying the male gametes grow towards in gymnosperms?
What do the ovules develop into after fertilization in gymnosperms?
What do the ovules develop into after fertilization in gymnosperms?
Which term best describes gymnosperms?
Which term best describes gymnosperms?
What is the tallest tree species among gymnosperms?
What is the tallest tree species among gymnosperms?
What type of roots are associated with N2-fixing cyanobacteria in some gymnosperms?
What type of roots are associated with N2-fixing cyanobacteria in some gymnosperms?
What type of leaves do gymnosperms have?
What type of leaves do gymnosperms have?
What are the two kinds of spores produced by gymnosperms?
What are the two kinds of spores produced by gymnosperms?
What is the male gametophytic generation in gymnosperms called?
What is the male gametophytic generation in gymnosperms called?
What are the cones bearing megasporophylls with ovules called in gymnosperms?
What are the cones bearing megasporophylls with ovules called in gymnosperms?
What do the needle-like leaves of conifers help reduce?
What do the needle-like leaves of conifers help reduce?
What kind of roots are found in Cycas?
What kind of roots are found in Cycas?
What is the term for the structures that bear sporangia in gymnosperms?
What is the term for the structures that bear sporangia in gymnosperms?
