1. Megaspore germinate into
a) Female gametophyte
b) Gametophyte having both male and female sex organs
c) Male gametophyte
d) Male sporophyte
Explanation: Megaspore germinate into female gametophyte
2. The female gametophytes are retained on the parent sporophyte in
a) Homosporous species of pteridophytes
b) Heterosporous species of pteridophytes
c) Both are correct
d) Both are incorrect
Explanation: Heterosporous species of pteridophytes
3. Process similar to seed habit considerably is observed in
a) Homosporous species of pteridophytes
b) Heterosporous species of pteridophyte
c) All the members of pteridophytes
d) Not seen in pteridophyte
Explanation: Heterosporous species of pteridophyte
4. Vascular plants, with seeds but no fruits are
a) Bryophyte
b) Angiosperms
c) Gymnosperms
d) Pteridophytes
Explanation: Gymnosperms
5. In heterosporous pteridophyte
a) Zygote develops into young embryo in the female gametophyte.
b) Zygote multiples and develop into sporophyte in the soil.
c) All spores are similar
d) None of these
Explanation: Zygote develops into young embryo in the female gametophyte.
6. Naked seed plants are
a) Algae
b) Bryophyte
c) Angiosperms
d) Gymnosperms
Explanation: Naked seed plants are gymnosperms
7. Ovules are not enclosed by the ovaries in
a) Pteridophytes
b) Angiosperms
c) Gymnosperms
d) All of these
Explanation: Gymnosperms
8. The tallest gymnosperms is
a) Sequoia (red wood tree)
b) Pinus
c) Cycas
d) Ginkgo
Explanation: The tallest gymnosperms is Sequoia (red wood tree)
9. Coralloid roots having association with N2 fixing bacteria are found in
a) Pinus
b) Cedrus
c) Sequoia
d) Cycas
Explanation: Coralloid roots having association with N2 fixing bacteria are found in cycas.
10. In gymnosperms, the mycorrhizal association are found in
a) Cycas
b) Pinus
c) Cedrus
d) All of these
Explanation: In gymnosperms, the mycorrhizal association are found in pinus.