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  4. Plant Kingdom Chapter-Wise Test 3

Plant Kingdom Chapter-Wise Test 3

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which type of cell division occurs during the formation of spores in bryophytes?

Mitosis
Meiosis
Binary fission
Amitosis
2

In bryophytes, spores are produced by meiosis in the capsule of the sporophyte.

Which type of fertilization is observed in pteridophytes?

Water-dependent fertilization
Wind pollination
Insect pollination
Self-fertilization
1

Pteridophytes require water for the transfer of male gametes (antherozoids) to the female gametophyte (archegonium).

Which of the following statements about liverworts is incorrect?

Liverworts grow in damp, humid, and shaded localities.
The thalli in liverworts can fragment for asexual reproduction.
Liverworts have a sporophyte with a complex leafy structure.
Gemmae in liverworts develop in gemma cups.
3

The sporophyte in liverworts is simple, differentiated into foot, seta, and capsule, not a complex leafy structure.

Which of the following statements about Phaeophyceae is correct?

Phaeophyceae lack chlorophyll and rely on other pigments.
The plant body of Phaeophyceae includes a holdfast, stipe, and frond.
Phaeophyceae store food as floridean starch.
Sexual reproduction in Phaeophyceae is always anisogamous.
2

The plant body of Phaeophyceae (brown algae) has a holdfast, stipe, and frond, especially in forms like kelps.

Which of the following statements about algae is incorrect?

Algae include filamentous forms like Spirogyra.
Some algae are unicellular, like Chlorella.
All algae produce algin as a hydrocolloid.
Algae can reproduce by fragmentation.
3

Only certain brown algae (Phaeophyceae) produce algin, not all algae.

Which of the following is a characteristic feature of brown algae?

Presence of pyrenoids
Storage of food as mannitol
Red pigment phycoerythrin
Chlorophyll a and b
2

Brown algae store food in the form of complex carbohydrates like mannitol and laminarin.

Which of the following statements about mosses is incorrect?

The leafy shoots in mosses bear spirally arranged leaves.
The sporophyte in mosses develops from a zygote after fertilization.
Mosses have a protonema that develops into the sporophyte.
Examples of mosses include Polytrichum and Sphagnum.
3

The protonema in mosses develops into the leafy gametophyte, not the sporophyte.

Which of the following structures in gymnosperms is functionally similar to an angiosperm’s ovule?

Microsporophyll
Megasporophyll
Nucellus
Ovule
4

Gymnosperms have exposed ovules, functionally similar to angiosperm ovules but without an ovary wall.

Which of the following statements about gymnosperms is incorrect?

Gymnosperms have needle-like leaves in conifers to reduce water loss.
The ovules in gymnosperms develop into naked seeds after fertilization.
Gymnosperms produce microspores and megaspores in separate cones.
The male gametophyte in gymnosperms is a free-living thallus.
4

The male gametophyte in gymnosperms is reduced to a pollen grain, not a free-living thallus.

Which of the following statements about Chlorophyceae is incorrect?

Chlorophyceae have 2-8 equal, apical flagella.
Their habitats include freshwater, brackish water, and saltwater.
Chlorophyceae reproduce sexually only by oogamy.
Examples of Chlorophyceae include Spirogyra and Chara.
3

Chlorophyceae show isogamous, anisogamous, or oogamous sexual reproduction, not only oogamy.

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