Read the following statements:
(i) The redwood tree, Sequoia, is one of the tallest tree species
(ii) Mycorrhizal roots are found in Pinus and coralloid roots in Cycas
(iii) The roots of gymnosperms are generally tap roots
(iv) In gymnosperms, stems may be unbranched (e.g., Pinus) or branched (e.g., Cycas)
(v) In Cycas, the pinnate leaves persist for a few years.
How many of the above statements are correct?

1. Four
2. Five
3. Two
4. Three
Subtopic:  General Accounts of Gymnosperms: II |
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Read the following statements w.r.t. pteridophytes:
(i) Majority of the pteridophytes are heterosporous
(ii) Selaginella and Salvinia are homosporous
(iii) The megaspore germinate to form male gametophyte
(iv) Pteridophytes may show seed formation in a few cases
(v) Selaginella is a type of fern
How many of the above statements are incorrect?

1. Five
2. Two
3. Three
4. Four
Subtopic:  Pteridophytes: Heterospory |
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Read the following statements about pteridophytes:
(i) The main plant body is sporophyte
(ii) The sporophyte is differentiated into true roots, stem and leaves
(iii) Their gametophyte lack vascular bundle
(iv) Microphylls are found in Selaginella and macrophylls in the ferns like Dryopteris
(v) Strobili or cones are found in Selaginella and Equisetum
How many of the above statements are correct?

1. Four
2. Five
3. Two
4. Three
Subtopic:  Pteridophytes: Heterospory |
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Read the following statements about bryophytes :
(i) Mosses serve as food for birds and herbivores
(ii) Sphagnum, a liverwort, provide peat that have long been used as fuel
(iii) Sphagnum, because of their high capacity to hold water is used as packaging-material for trans-shipment of living plant materials
(iv) Mosses have a little role during ecological succession
(v) Mosses, as they form dense mat, prevent soil erosion
How many of the above statements are correct?

1. Three
2. Four
3. Five
4. Two
Subtopic:  Bryophytes |
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Read the following statement w.r.t. bryophytes :
(i) Sporophyte is multicellular
(ii) Sporophyte is free living
(iii) The spores germinate to produce sporophyte
(iv) Some cells of sporophyte undergo reduction division to produce haploid spores
(v) Gametophyte is non-photosynthetic structure How many of the above statements are correct?
How many of the above statements are correct?

1. Three
2. Five
3. Four
4. Two
Subtopic:  Bryophytes |
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Read the following statements w.r.t. red algae:
(i) Majority of the red algae are marine, mostly found in warmer sea
(ii) They occur in both well lighted regions close to the surface of water and also at great depths in ocean where relatively less light penetrates
(iii) These lack chlorophyll-d
(iv) These are mostly unicellular
(v) These lack vegetative propagation
How many of the above statements are incorrect?

1. One
2. Three
3. Four
4. Five
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
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Read the following statements w.r.t. brown algae :
(i) Sexual reproduction may be isogamous, anisogamous or oogamous
(ii) The gametes are always without flagella
(iii) Gracilaria belongs to brown algae
(iv) Common forms are Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus
(v) The gametes are pyriform (pear-shaped) and bear two laterally attached flagella
How many of the above statements are correct?

1. Two
2. Three
3. One
4. Five
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
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Read the following statements about green algae:
(i) Vegetative reproduction usually takes place by fragmentation in unicellular forms
(ii) Zoospore formation is rare
(iii) Sexual reproduction can be isogamous, anisogamous or oogamous
(iv) Asexual reproduction can occur by flagellated zoospores produced in zoosporangia
(v) Chlamydomonas, Chara, Spirogyra, Volvox and Ulothrix belong to green algae
How many of the above statements are correct?

1. Four
2. Two
3. Three
4. One
Subtopic:  Algae |
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Consider the following statements regarding brown algae:

I. The pigments are chl a, c and xanthophylls, fucoxanthin

II. Storage food is laminarin and mannitol 

III. The cellulosic cell wall is covered with algin

IV. They have a centrally located vacuole

V. Their photosynthetic organs are called as fronds - leaf like structures

VI. They have pear shaped biflagellate zoospores

VII. They have two unequal laterally attached flagella.

The number of correct statements is

1. 5

2. 6

3. 7

4. 4

Subtopic:  Pheophyceae: Brown Algae |
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Identify the following statements as true (T) or false (F) and select the option accordingly

(A) Members of Rhodophyceae asexually reproduce by motile spores
(B) Members of Phaeophyceae do not show isogamous type of sexual reproduction
(C) In some green algae, food is stored in the form of oil droplets

   (A) (B) (C)
1. T    F    T
2. F    F    F
3. F    F    T
4. T    T    F

Subtopic:  Algae |
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