Which of the following algae contains mannitol as reserve food material?
1. | Volvox | 2. | Ulothrix |
3. | Ectocarpus | 4. | Gracilaria |
Which of the following algae produce Carrageen?
1. | Red algae | 2. | Blue-green algae |
3. | Green algae | 4. | Brown algae |
Gemmae are present in:
1. Some Gymnosperms
2. Some Liverworts
3. Mosses
4. Pteridophytes
Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as
1. | Homosporous | 2. | Heterosporous |
3. | Homosorus | 4. | Heterosorus |
Which of the following statements is incorrect about gymnosperms?
1. They are heterosporous
2. Male and female gametophytes are free-living
3. Most of them have narrow leaves with thick cuticles
4. Their seeds are not covered
Phycoerythrin is the major pigment in:
1. Red algae
2. Blue-green algae
3. Green algae
4. Brown algae
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 | (ii) Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
(d) Cycas | (iv) Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte |
(a) | (b) | (c) | (d) | |
1. | (ii) | (iv) | (i) | (iii) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (ii) | (iii) | (iv) | (i) |
4. | (iii) | (iv) | (i) | (ii) |
Match List -I with List-II
List - I | List - II |
a. Cedrus | (i) Pteridophyte |
b. Adiantum | (ii) Gymnosperm |
c. Sphagnum | (iii) Liverwort |
d. Marchantia | (iv) Moss |
Choose the correct answer from the options given below:
a. | b. | c. | d. | |
1. | (ii) | (iii) | (i) | (iv) |
2. | (iii) | (i) | (iv) | (ii) |
3. | (ii) | (i) | (iv) | (iii) |
4. | (iii) | (iv) | (ii) | (i) |