Gymnosperm
Trending Questions
Are tracheids present in gymnosperms?
Water is not required for fertilisation in ________.
pteridophytes
bryophytes
algae
gymnosperms
- Cycas
- Pinus
- Ginkgo
- Selaginella
Select the correct statement.
Leaves of gymnosperms are not well adapted to extreme conditions.
Gymnosperms are both homosporous and heterosporous.
Salvinia, Ginkgo and Pinus are all gymnosperms.
Sequoia is one of the tallest trees.
State four characteristics of gymnosperms.
Match the columns I and II select the correct option.
Column I Column II1.Lycopodiump.Alga2.Sequoiaq.Moss3.Polytrichumr.Pteriophyte4.Dictyotas.Gymnosperm
1 = r, 2 = s, 3 = p, 4 = q
1 = s, 2 = r, 3 = q, 4.= p
1 = r, 2 = s, 3 = q, 4 = p
1 = q, 2 = t, 3 = p, 4 = q
- mycorrhiza
- lichens
- rhizoids
- coralloid
- mycorrhizal roots
- lichens
- coralloid roots
- rhizoids
The type of life cycle in which the diploid gametophyte phase is dominant is called
Haplontic
Haplo-diplontic
Diplontic
Triplontic
- Sunken stomata
- Thick cuticle
- Needle like leaves
- All of these
Which of these is not a modification for preventing water loss in Pinus?
sunken stomata
phylloclade
leaves persist only for few years
all of these
- No vessels
- No seeds
- Naked seeds
- No flowers