Q. No.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
Read the following statements carefully and mark the correct with respect to gymnosperms
| a. | Pollen grains are carried by air currents |
| b. | Pollen tube carries the male gametes to archegonia |
| c. | Ovules are exposed before fertilization but get covered after fertilization |
| d. | They produce same type of spores |
1. a, b & d
2. a & b
3. a & c
4. b & d
Study the diagram given below and mark the correct statement.
1. Part A is dependent on part B.
2. Part B is dependent on part A.
3. Both parts are independent
4. Part A is haploid whereas part B is diploid
Study the diagram given below, and find out how many of the statements given below is related to this diagram.
| I. | It is source of food. |
| II. | Its wall has poly sulphated esters. |
| III. | Its reserve food is similar to glycogen in structure. |
| IV. | There is no motile stage in its life – cycle. |
1. 1
2. 2
3. 3
4. 4
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
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)
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
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
Read the following five statements (I to V) and select the option with all correct statements.
| I: | Mosses and lichens are the first organisms to colonise bare rock. |
| II: | Selaginella is a homosporous pteridophyte. |
| III: | Coralloid roots in Cycas have VAM. |
| IV: | Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. |
| V: | In gymnosperms, male and female gametophytes are present within sporangia located on sporophytes. |
| 1. | I, III and IV | 2. | II, III and IV |
| 3. | I, IV and V | 4. | II, III and V |
| (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. |
1. Four
2. Two
3. Three
4. One
© 2026 GoodEd Technologies Pvt. Ltd.