Plant Kingdom - Online Test

Q1. The main plant body of the bryophyte is
Answer : Option C
Explaination / Solution:

The main plant body of the bryophyte is haploid. It produces gametes, hence is called a gametophyte.

Q2. Which plant has fungal association in the form of mycorrhiza?
Answer : Option C
Explaination / Solution:

Roots in some genera of gymnosperms have fungal association in the form of mycorrhiza(Pinus).

Q3. The sporophytes bearing sporangia having leaf-like appendages are called
Answer : Option B
Explaination / Solution:

The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.

Q4. The phenomenon of having two types of spores by the same plant is called
Answer : Option A
Explaination / Solution:

The phenomenon of having two types of spores by the same plant is called heterospory. Male spores are small ( micro) and female spores are comparatively larger ( macro)than males like Selaginella and Salvinia are heterosporous.

Q5. In mosses, the sex organs are arise from
Answer : Option B
Explaination / Solution:

In sexual reproduction, the sex organs antheridia and archegonia are produced at the apex of the leafy shoots.

Q6. Liverworts are closely related to
Answer : Option D
Explaination / Solution:

The bryophytes are divided into liverworts and mosses so they closely related to each other.

Q7. Apophysis of moss is
Answer : Option A
Explaination / Solution:

The sporophyte of moss is differentiated into three parts – foot, seta and capsule. The capsule in turn is differentiated into 3 regions a) apophysis- the sterile basal portion of capsule, it is in continuity with seta b) theca or body of capsule, which is the fertile region, and c) operculum the apical region of capsule . Apophysis is rich in chloroplast and thus photosynthetic region of moss , it also provides nutrition to the developing sporangium .

Q8. On germination, moss spore produce
Answer : Option A
Explaination / Solution:

The spore of moss germinate to produce protonema. It is a creeping, green, branched and frequently filamentous stage , which develops into secondary protonema as a lateral bud.This stage bears the sex organs.

Q9. A vascular cryptogam is
Answer : Option B
Explaination / Solution:

A Cryptogam is a plant that reproduce by spores without flowers or seeds .Most of cryptogamous plants lacks vascular bundles i.e xylem and phloem but some member of pteridophytes like Equisetum contain vascular bundle.

Q10. A which one is living fossil
Answer : Option C
Explaination / Solution:

Ginkgo is a living fossil. This plant belongs to gymnosperms division. It is considered as one of the oldest plant known and still surviving in some part of wold.