Identify the pair where the fungal pathogen is not correctly matched with the disease it causes in the concerned plant:
1. |
Cystopus candidus |
White rust of crucifers |
2. |
Uncinula necator |
Powdery mildew of grape-vine |
3. |
Erysiphe graminis |
Powdery mildew of cereals |
4. |
Phytophthora infestans |
Early blight of potato |
All the following are bacterial diseases of plants except:
1. Citrus canker
2. Black rot of cabbage
3. Red rot of sugarcane
4. Wildfire of tobacco
Most lichen fungi belong to:
1. Phycomycetes
2. Ascomycetes
3. Basidiomycetes
4. Deuteromycetes
Soredia, Isidia and Cephalodia are peculiar features of:
1. Asexual reproduction in lichens
2. Sexual reproduction in lichens
3. Vegetative reproduction in lichens
4. Asexual reproduction in dinoflagellates
Causing the Great Oxygenation Event and the "rusting of the Earth", which of the dramatically changed the composition of the Earth's life forms and led to the near-extinction of anaerobic organisms?
1. Cynobacteria
2. Diatoms
3. Dinoflagellates
4. Green algae
The human use for lichens include:
I. as a food source
II. in lichenometery
III. as dyes
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
If you are told that the given diagram shows a single ‘super cell’ that can ‘move’, you would conclude that this must be:
1. A plasmodial slime mould
2. A pathogenic fungus
3. A coenobium of an alga
4. A bioluminescent dinoflagellate
The unusual red color of water that you see in the picture will most like be due to:
1. | Cyanobacteria | 2. | Lichens |
3. | Chrysophytes | 4. | Dinoflagellates |
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.
Identify the organism shown in the figure and the function of the structures shown by arrow:
1. Paramoecium, trophic functions
2. Euglena, sexual reproduction
3. Paramoecium, osmoregulation
4. Euglena, photoreception
A phage with the following life cycle will be called as:
1. Temperate
2. Virulent
3. Prophage
4. Prion