1. The female gametophyte of gymnosperms
a) Bear two archegonia
b) Retained within megasporangium
c) Is unicellular
d) Both (a) and (b)
Explanation: Both (a) and (b)
2. In gymnosperms, the male and female gametophyte
I. Do not have independent free living existence.
II. Remain within the sporangia retained on parent sporophyte.
III. May be born on same or different tree.
IV. Perform meiosis to produce gametes
a) I and II
b) II and III
c) III and IV
d) All
Explanation: All
3. Pollination in gymnosperms takes place by
a) Wind
b) Water
c) Only physical factors like wind and water
d) All of these
Explanation: Pollination in gymnosperms takes place by wind.
4. Angiosperms include
a) Vascular plants with naked seeds
b) Vascular plants with covered seeds
c) Few vascular plants with naked seeds
d) Few vascular plants with covered seeds
Explanation: Vascular plants with covered seeds
5. Microscopic angiosperm is
a) Sequoia
b) Eucalyptus
c) Wolfia
d) Never microscopic
Explanation: Microscopic angiosperm is Wolfia.
6. Angiosperms include
a) Massive woody trees
b) Shrubs and herbs
c) Ranges from tiny microscopic plants to tall trees
d) None of these
Explanation: Angiosperms include ranges from tiny microscopic plants to tall trees
7. The height of eucalyptus tree is approximately
a) 100 m
b) 1000 m
c) 10 m
d) 10‒20 m
Explanation: The height of eucalyptus tree is approximately 100 m.
8. Male sex organ in angiosperm is located in
a) Male cone
b) Sporophyll
c) Flower
d) Carpel
Explanation: Male sex organ in angiosperm is located in flower.
9. Male sex organ in flower is
a) Antheridia
b) Stamens
c) Spermatangia
d) Nucule
Explanation: Male sex organ in flower is Stamens.
10. The female sex organ of flower is called
a) Archegonia
b) Nucule
c) Oogonia
d) Pistil
Explanation: The female sex organ of flower is called Pistil.