Q. No.
Members of phycomycetes are found
| I. | In aquatic habitats |
| II. | On decaying wood |
| III. | In moist and damp places |
| IV. | As obligate parasites on plant |
Choose from the following options:
| 1. None of the above | 2. I and IV |
| 3. II and III | 4. All of the above |
Match the bacteria in Column I with its shape in Column II and select the correct option from the codes given below:
|
COLUMN I |
|
COLUMN II |
|
|
A |
Bacillus |
a |
Rod |
|
B |
Coccus |
b |
Spherical |
|
C |
Spirilla |
c |
Spiral |
|
D |
Vibrio |
d |
Comma |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | b | a | c | d |
| 3. | a | d | c | b |
| 4. | b | a | d | c |
Chrysophytes:
| I. | include diatoms and desmids |
| II. | are found only in marine water |
| III. | are planktonic |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
In the symbiotic relation lichen, the mycobiont does not:
1. prepare food for the other partner
2. provide shelter to the other partner
3. absorb mineral nutrients for the other partner
4. absorb water for the other partner
Potato Spindle Tuber Disease is caused by a pathogen that is:
| 1. | A nucleocapsid |
| 2. | A low molecular weight free RNA |
| 3. | An abnormally folded protein |
| 4. | A protozoan |
Prion is:
1. A nucleocapsid
2. A low molecular weight free RNA
3. An abnormally folded protein
4. A protozoan
Which of the following is not a characteristic of dinoflagellates?
| 1. | Mostly fresh water and photosynthetic |
| 2. | Cell wall with stiff cellulosic plates |
| 3. | Two flagella |
| 4. | Various colored pigments in the cell |
The chief producers in the oceans are:
| 1. | Floating hydrophytes | 2. | Blue green algae |
| 3. | Desmids | 4. | Diatoms |
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