Q. No.Match the thallus growth form of the lichen with its name and select the correct answer from the codes given:
COLUMN I
COLUMN II
A.
growing like a tuft or multiple-branched leafless mini-shrub
a.
Fruticose
B.
growing in 2-dimensional, flat, leaf-like lobes
b.
Foliose
C.
adhering tightly to a surface like a thick coat of paint
c.
Crustose
D.
powdery
d.
Leprose
Codes
A B C D
1. a b c d
2. b a d c
3. a b d c
4. b a c d
COLUMN I
COLUMN II
A.
growing like a tuft or multiple-branched leafless mini-shrub
a.
Fruticose
B.
growing in 2-dimensional, flat, leaf-like lobes
b.
Foliose
C.
adhering tightly to a surface like a thick coat of paint
c.
Crustose
D.
powdery
d.
Leprose
A B C D
1. a b c d
2. b a d c
3. a b d c
4. b a c d
Dolipore septum and clamp connections are features seen in the members of the fungal class:
1. Ascomycetes
2. Phycomycetes
3. Basidiomycetes
4. Deuteromycetes
Identify the incorrectly matched pair:
|
|
Protozoan |
Group |
|
1. |
Plasmodium |
Sporozoan |
|
2. |
Trypanosoma |
Flagellated |
|
3. |
Balantidium |
Ciliate |
|
4. |
Giardia |
Amoeboid |
Identify the incorrectly matched pair:
|
|
Pathogenic Protozoan |
Mode of transmission |
|
1. |
Leishmania |
Vector borne |
|
2. |
Trichomonas |
Sexual contact |
|
3. |
Toxoplasma |
Through placenta |
|
4. |
Trypanosoma |
Droplet |
The given diagram shows a schematic representation of:
| 1. | Cell wall of diatoms |
| 2. | Plates on body of dinoflagellates |
| 3. | Pseudoplasmodium |
| 4. | Pellicle of Euglenoids |
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Consider the given two statements:
| I: | Mycoplasma are naturally resistant to antibiotics that target cell wall synthesis |
| II: | They are the smallest bacteria discovered yet |
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
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A bacteriophage DNA that has become integrated into the host cell chromosome is called as:
1. intemperate bacteriophages
2. transposons
3. prophages
4. phagemids
Consider the given two statements:
I. Chitin-rich walls of fungi can enhance feeding by absorption
II. Chitin is a strong but flexible polysaccharide
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
Identify the incorrect statement regarding viroids:
| 1. | Viroids are the smallest infectious pathogens known. |
| 2. | They are composed solely of a short strand of circular, single-stranded RNA that has no protein coating. |
| 3. | The first recognized viroid, the pathogenic agent of the potato spindle tuber disease, was discovered by Theodor Otto Diener. |
| 4. | The nucleic acid of viroids codes for only a few proteins. |
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Bacteria that obtain energy from light and carbon from the fixation of carbon dioxide, using reducing equivalents from inorganic compounds are called as:
| 1. | chemolithoautotrophs | 2. | photolithoautotrophs |
| 3. | photoorganoheterotrophs | 4. | chemolithoheterotrophs |
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