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. |
An adhesive pad of fungi penetrates the host with the help of:
1. Mechanical pressure and enzymes
2. Hooke and suckers
3. Softening by enzymes
4. Only by mechanical pressure
What is true for cyanobacteria:
1. Oxygenic with nitrogenase
2. Oxygenic without nitrogenase
3. Non-oxygenic with nitrogenase
4. Non-oxygenic without nitrogenase
What is true for Archaebacteria:
1. All Halophiles
2. All photosynthetic
3. All fossils
4. Oldest living beings
Which one of the following statements about viruses is correct:
1. Viruses possess their own metabolic system
2. All viruses contain both RNA and DNA
3. Viruses are obligate parasites
4. Nucleic acid of viruses is known as capsid
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