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.

Subtopic:  Kingdom Fungi: Introduction | Kingdom Fungi: Sexual Reproduction in Fungi |
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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 A similar to green plants

Subtopic:  Kingdom Monera: Bacterial Classification |
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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.

Subtopic:  Kingdom Monera: Bacterial Classification |
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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 

Subtopic:  Kingdom Fungi: Ascomycetes | Kingdom Fungi: Basidomycetes |
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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)
Subtopic:  Kingdom Fungi: Introduction | Kingdom Fungi: Zygomycetes | Kingdom Fungi: Ascomycetes |
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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

Subtopic:  Virus, Viroids & Prions |
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Match the organisms in column I with habitats in column II.

      Column I                              Column II

(a) Halophiles                        (i) Hot springs

(b) Thermoacidophiles            (ii) Aquatic environment

(c) Methanogens                    (iii) Guts of ruminants

(d) Cyanobacteria                  (iv) Salty areas

Select the correct answer from the options given below:

1. (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)

2. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

3. (a)-(iii), (b)-(iv), (c)-(i), (d)-(i)

4. (a)-(ii). (b)-(iv), (c)-(iii), (d)-(i)

Subtopic:  Kingdom Monera: Bacterial Classification |
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Which of the following statements is correct?

1. Lichens do not grow in polluted areas.

2. Algal component of lichens is called mycobiont

3. Fungal component of lichens is called phycobiont

4. Lichens are not good pollution indicators.

Subtopic:  Virus, Viroids & Prions |
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Mad cow disease in cattle is caused by an organism which has :

1. Inert crystalline

2. Abnormally folded protein

3. Free RNA without protein coat

4. Free DNA without protein coat

Subtopic:  Virus, Viroids & Prions |
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Which of the following statements is incorrect?

1. Prions consist of abnormally folded proteins

2. Viroids lack a protein cost

3. Viruses are obligate parasites

4. Infective consituent in viruses is the protein coat

Subtopic:  Virus, Viroids & Prions |
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