Q. No.Isogamous condition with non-flagellated gametes is found in:
1. Spirogyra
2. Volvox
3. Fucus
4. Chlamydomonas
1. Spirogyra
2. Volvox
3. Fucus
4. Chlamydomonas
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
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 |
Which one of the following shows isogamy with non-flagellated gametes?
1. Sargassum
2. Ectocarpus
3. Ulothrix
4. Spirogyra
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
An alga which can be employed as food for human beings :
1. Ulothrix
2. Chlorella
3. Spirogyra
4. Polysiphonia
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is responsible for peat formation?
1. Marchantia
2. Riccia
3. Funaria
4. Sphagnum
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Male gametophyte with least number of cells is present in:
1. Pteris
2. Funaria
3. Lilium
4. Pinus
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which one of the following statements is wrong?
1. Agar-agar is obtained from Gelidium and Gracilaria
2. Chlorella and Spirulina are used as space food
3. Mannitol is stored food in Rhodophyceae
4. Algin and carrageenan are products of algae
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Select the correct statement:
| 1. | The leaves of gymnosperms are not well adapted to extremes of climate |
| 2. | Gymnosperms are both homosporous and heterosporous |
| 3. | Salvinia, Ginkgo and Pinus all are gymnosperms |
| 4. | Sequoia is one of the tallest trees |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In bryophytes and pteridophytes, transport of male gametes requires:
1. Water
2. Wind
3. Insects
4. Birds
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.