Q. No.Which of the following is a correct statement?
| 1. | Mycoplasma have DNA, Ribosome and cell wall. |
| 2. | Cyanobacteria are a group of autotrophic organisms classified under Kingdom Monera. |
| 3. | Bacteria are exclusively heterotrophic organisms. |
| 4. | Slime moulds are saprophytic organisms classified under Kingdom Monera. |
Identify the fungi which do not belong to the group of other fungi among the following
1. Sac-fungi
2. Puffballs
3. Mushrooms
4. Bracket Fungi
Match List - I with List - II
| List - I | List - II |
| (a) Puccinia | (i) Parasitic fungus on mustard |
| (b) Neurospora | (ii) Dead substrates |
| (c) Saprophytes | (iii) Wheat rust |
| (d) Albugo | (iv) Biochemical and Genetic Work |
Choose the correct answer from the option given below :
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (i) | (ii) | (iii) | (iv) |
| 4. | (iv) | (ii) | (i) | (iii) |
1. Bacterium
2. Virus
3. Viroid
4. Prion
Which of the following statements is correct?
| 1. | Organisms that depend on living plants are called saprophytes. |
| 2. | Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells. |
| 3. | The fusion of two cells is called Karyogamy. |
| 4. | Fusion of protoplasms between two motile or non-motile gametes is called plasmogamy. |
Which of the following is correct about viroids?
1. They have free RNA without protein coat.
2. They have DNA with protein coat.
3. They have free DNA without protein coat.
4. They have RNA with protein coat.
Which of the following is incorrect about Cyanobacteria?
1. They are photoautotrophs
2. They lack heterocysts
3. They often form blooms in polluted water bodies
4. They have chlorophyll similar to green plants
Which of the following statements is incorrect?
| 1. | Yeasts have filamentous bodies with long thread-like hyphae. |
| 2. | Morels and truffles are edible delicacies. |
| 3. | Claviceps is a source of many alkaloids and LSD. |
| 4. | Conidia are produced exogenously and ascospores endogenously. |
Match the Column-I with Column-II
|
Column-I |
Column-II |
||
|
(a) |
Saprophyte |
(i) |
Symbiotic association of fungi with plant roots |
|
(b) |
Parasite |
(ii) |
Decomposition of dead organic materials |
|
(c) |
Lichens |
(iii) |
Living on living plants or animals |
|
(d) |
Mycorrhiza |
(iv) |
Symbiotic association algae and fungi |
Choose the correct answer from the options given below:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (ii) | (i) | (iii) | (iv) |
Which of the following statements is incorrect?
1. Prions consist of abnormally folded proteins
2. Viroids lack a protein coat
3. Viruses are obligate parasites
4. Infective constituent in viruses is the protein coat
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