Q. No.Agar is not used in
1.
To grow microbes
2.
To prepare ice-creams
3.
To prepare jellies
4.
To supplement protein for space travellers
| 1. | To grow microbes |
| 2. | To prepare ice-creams |
| 3. | To prepare jellies |
| 4. | To supplement protein for space travellers |
Chlorella is not
| 1. | An unicellular alga |
| 2. | Rich in proteins |
| 3. | Used as food supplement even by space travellers |
| 4. | Used to grow microbes |
Which of the marine algae is not used as food?
(1) Laminaria
(2) Sargassum
(3) Porphyra
(4) Volvox
The members of Chlorophyceae-choose correct answer
| 1. | are not Green algae |
| 2. | are not unicellular, colonial, or filamentous plant body |
| 3. | do not have pigments chlorophyll a and b |
| 4. | have pigments localised in the chloroplast |
Chloroplasts can be discoid, plate-like, reticulate, cup-shaped, spiral or ribbon-shaped in different species. Such variety can be found in
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All of these |
Pyrenoid is
(1) Storage bodies located in cytoplasm of chloropbyceae
(2) Storage bodies located in cytoplasm of Phaeophyceae
(3) Storage bodies located in chloroplast of chlorophyceae
(4) Storage bodies located in chloroplast of Phaeophyceae
Green algae usually have a rigid cell wall made of an inner layer of ….…. and outer layer of ………
| 1. | Pectose, Cellulose |
| 2. | Cellulose, Pectose |
| 3. | Algin, carrageenan |
| 4. | Carrageen, Algin |
Vegetative reproduction in chlorophyceae takes place by
(1) Fragmentation+ spore formation
(2) Only spore formation
(3) Only Fragmentation
(4) Isogamous
Asexual reproduction in chlorophyceae is by
(1) Zoospore formation in Antheriodiophore
(2) Fragmentation
(3) Zoospore formation in Zoosporangia
(4) Both 1 and 2
© 2025 GoodEd Technologies Pvt. Ltd.