- 1(current)
Q. No.Read the following statements (A-E) and answer the question which follows them.
| A: | In liverworts, mosses, and ferns gametophytes are free-living |
| B: | Gymnosperms and some ferns are heterosporous |
| C: | Sexual reproduction in Fucus, Volvox and Albugo 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?
1. Two
2. Three
3. Four
4. One
Out of the following four statements how many of them are correct for Fucus.
I. Life – cycle is diplontic.
II. Fertilisation is internal.
III. Sexual reproduction is Oogamous.
IV. Frond is photosynthetic.
1. 4
2. 3
3. 2
4. 1
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
Match the following
|
Algae |
Stored food |
Flagellation |
|
(a) Brown algae (b) Red algae (c) Green alage |
(p) Floridean starch (q) Mannitol (r) Starch |
(i) 2, lateral (ii) 2-4, apical (iii) absent |
1. (a-r-ii), (b-p-iii), (c-q-i)
2. (a-q-i), (b-p-iii), (c-r-ii)
3. (a-q-i), (b-r-ii), (c-p-iii)
4. (a-q-i), (b-p-ii), (c-r-iii)
(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
1. 2-8 equal and apical flagella
2. 2 unequal and lateral flagella
3. 2 unequal and apical flagella
4. 2-8 equal and lateral flagella
| Statement I: | Chlorella is used as food supplement by space travellers |
| Statement II: | Chlorella is a unicellular algae |
| 1. | Both I and II are true and II correctly explains I |
| 2. | I is true and II is false |
| 3. | Both I and II are true but II does not explain I |
| 4. | Both I and II are false |
| List-I | List-II | ||
| (a) | Spirogyra | (i) | Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| (b) | Fern | (ii) | Dominant haploid free-living gametophyte |
| (c) | Funaria | (iii) | Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| (d) | Cycas | (iv) | Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
| List-I | List-II | ||
| (a) | Chlamydomonas | (i) | Moss |
| (b) | Cycas | (ii) | Pteridophyte |
| (c) | Selaginella | (iii) | Alga |
| (d) | Sphagnum | (iv) | Gymnosperm |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (ii) | (iv) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (ii) | (iii) | (i) | (iv) |
- 1(current)
Q. No.
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