Which one of the following organisms is not an example of eukaryotic cells?
1. Paramoecium caudatum
2. Escherichia coli
3. Euglena viridis
4. Amoeba proteus
Cyanobacteria are classified under
1. Protista | 2. Plantae |
3. Monera | 4. Algae |
Pick up the wrong statement:
1. Protista have photosynthetic and heterotrophic modes of nutrition
2. Some fungi are edible
3. Nuclear membrane is present in Monera
4. Cell wall is absent in Animalia
Five kingdom system of classification suggested by R.H. Whittaker is not based on:
1. Presence or absence of a well defined nucleus
2. Mode of reproduction
3. Mode of nutrition
4. Complexity of body organization
Phylogenetic system of classification is based on
1. evolutionary relationships
2. morphological features
3. chemical constituents
4.floral characters
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
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.
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:
Options: | (a) | (b) | (c) | (d) |
1. | (iv) | (i) | (iii) | (ii) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (iii) | (iv) | (i) | (i) |
4. | (ii) | (iv) | (iii) | (i) |
One of the major components of cell wall of most fungi is :
1. Hemicelluloses
2. Chitin
3. Peptidoglycan
4. Cellulose
Five kingdom system of classification suggested by R.H. Whittaker is not based on:
1. Presence or absence of a well defined nucleus
2. Mode of reproduction
3. Mode of nutrition.
4. Complexity of body organization