Q. No.Protists that do not include any photosynthetic members are:
I. Euglenoids
II. Slime moulds
III. Protozoans
1.
Only I
2.
Only II
3.
Both II and III
4.
I, II and III
II. Slime moulds
III. Protozoans
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.
Match the class of fungi in Column I with representative examples in Column II and select the correct option:
|
Column I |
Column II |
||
|
A. |
Phycomycetes |
P. |
Morels and truffles |
|
B. |
Ascomycetes |
Q. |
Alternaria, Trichoderma |
|
C. |
Basidiomycetes |
R. |
Bread mould and Albugo |
|
D. |
Deuteromycetes |
S. |
Smut and rust fungi |
|
A |
B |
C |
D |
|
|
1. |
P |
R |
S |
Q |
|
2. |
R |
S |
P |
Q |
|
3. |
P |
Q |
R |
S |
|
4. |
R |
P |
S |
Q |
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.
Cyanobacteria:
| I: | are eubacteria |
| II: | have chlorophyll a similar to green plants |
| III: | can fix atmospheric nitrogen |
1. Only III is correct
2. Only I and II are correct
3. Only II and III are correct
4. I, II and III are correct
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.
The vast majority of bacteria are:
| 1. | Heterotrophs | 2. | Photoautotrophs |
| 3. | Chemosynthetic autotrophs | 4. | Methanotrophs |
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.
Both Archaebacteria and Eubacteria:
I. have a similar structure of cell wall
II. are members of Kingdom Monera
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Cyanobacteria:
| I. | are also referred to as ‘blue green algae’. |
| II. | are photosynthetic autotrophs with chlorophyll a similar to green plants. |
| III. | often form blooms in polluted water bodies. |
| IV. | some of them can fix atmospheric nitrogen in specialised cells called hetrocysts. |
In light of the above given statements:
| 1. | Only I, II and IV are correct | 2. | Only I, II and III are correct |
| 3. | All statements are correct | 4. | Only I and III are correct |
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.
| 1. | They are important decomposers. |
| 2. | They are helpful in making curd from milk, production of antibiotics and fixing nitrogen in legume roots. |
| 3. | Some are pathogens causing damage to human beings, crops, farm animals and pets. |
| 4. | Almost all help in recycling nutrients like nitrogen, phosphorus, iron and sulphur. |
In NCERT textbook which of the following are not included in Kingdom Protista?
| 1. | Chrysophytes | 2. | Dinoflagellates |
| 3. | Protozoa | 4. | Blue green 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.
Consider the given statements regarding slime moulds:
| Statement I: | Under unfavourable conditions they form a plasmodium. |
| Statement II: | During favourable conditions, the plasmodium differentiates and forms fruiting bodies bearing spores at their tips. |
| Statement III: | The spores bear true walls. |
| Statement IV: | The spores are dispersed by water. |
1. Only Statement I and Statement II are correct
2. Only Statement III is correct
3. All statements are incorrect
4. Only Statement III and Statement IV are correct
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 incorrect statement regarding body organization in fungi:
| 1. | With the exception of yeast, fungi are filamentous. |
| 2. | Their bodies consist of long, slender hyphae that may be coenocytic or septate. |
| 3. | The network of hyphae is known as the mycelium. |
| 4. | The cell walls of fungi lack chitin and polysachharides. |
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.