In Marchantia...

In Marchantia

Archegoniophore

Gemma cup

Free living sporophyte

Both (1) & (2)

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Read the following statements :- (A) Asexual reproduction in liverworts takes place by spore formation (B) In Marchantia gemmae are green, unicellular asexual buds. (C) Vegetative reproduction in mosses is by fragmentation and budding in the secondary protonema. (D) The sporophyte in mosses is more elaborate than that in liverworts. In above statements how many are correct & incorrect.

Read the following statements carefully (i) Protonema is found in mosses and is absent in liverworts. (ii) In Marchantia,the sporophyte is divided into the foot, seta and capsule (iii) Archegonia are partially embedded in pteridophytes (iv) Gymnosperms do not possess vessels in xylem except in some gnetophytes.

The dioecious plant Marchantia develops sex organs on

The common features between Chara and Marchantia (a) Dioecious (b) Flagellated antherozoids (c) Jacketed sex organs (d) Protogynous X (e) Female sex organ is nucule or oogonium

Mention the ploidy of the following: protonemal cell of a - moss, primary endosperm nucleus in dicot, leaf cell of a moss, prothallus cell of a fern, gemma cell in Marchantia, meristem cell of monocot, ovum of a liverwort and zygote of a fern.

Consider the following statements and mark them as true/false I. Homothallic or monoecious represents the bisexual condition, e.g.coconut. II. Heterothallic or dioecious represents the unisexual condition, e.g. date plam. III. Earthworm and leech are hermaphrodites. IV. Chara and Marchantia are monoecious plants. Choose the correct codes.

Read the following statement (A-E) and answer the equestion which follows them (A) In liverworts, mosses and fems fametophytes are free living (B) Gymnospers and some ferms are heterosphorous (C) Sexual reproduction if Fucus, Volvox and Allbugo is oogamous (D) The sporophyte in liverworts is more elaborate than that in mosses (E) Both, Pinus and Marchantia are dioecious How many of the above statements are correct

Antherozoids of Marchantia are

In Riccia / Marchantia the rhizoids are

Structure protecting archegonia of Marchantia is

AAKASH INSTITUTE ENGLISH-TEST 6-EXAMPLE

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Total number of nuclei involved in double fertilization is
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In Marchantia
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is a major source of agar that is obtained from its cell wall.Complete...
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A fresh water colonial green alga is
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Red algae differ from green algae and brown algae in having :
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Select the features which are not seen in algae.a)Variable shapes of c...
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Egg apparatus of embryo sac
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all of the following characteristics are essential for the formation o...
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read the given statement. " sporophyte is a parasite over gametophyte"...
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Homospory is a condition where all the spores are of similar kind thes...
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read the following statement and choose the correct option. A. microsp...
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Plants having vascular tissues but lacking seeds are
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match the following columns and choose the correct option- Column I (a...
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Fill in the blanks by choosing the correct option. The sporophyte in A...
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The gametophyte is not an independent, free-living generation in
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protonema in mosses and prothallus for ferns resemble with each other ...
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read the following statement and choose the correct. a.conifers are ad...
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all of the following differences between gymnosperms and angiosperms a...
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