Biological Classification Multiple Choice Questions and Answers

1. A dikaryon is formed when

1. Meiosis is arrested
2. The two haploid cells do not fuse immediately
3. Cytoplasm does not fuse
4. None of the above

2. A virus contains

1. DNA
2. RNA
3. DNA or RNA
4. DNA and RNA

3. African sleeping sickness is caused by

1. Giardia intestinalis
2. Leishmania
3. Trypanosoma
4. Entamoeba

4. All eukaryotic unicellular organisms belong to

1. Monera
2. Protista
3. Fungi
4. Bacteria

5. All fungi are

1. Autotrophs
2. Saprotrophs
3. Heterotrophs
4. Parasites

6. All the bacteria fix nitrogen except

1. Rhizobium
2. E Coli
3. Azotobacter
4. Cyanobacteria

7. An association between roots of higher plants and fungi is called

1. Lichen
2. Fern
3. Mycorrhiza
4. BGA

8. Associations between Mycobiont and Phycobiont are found in

1. Mycorrhiza
2. Root
3. Lichens
4. BGA

9. By how many criteria, living organisms have been classified into five kingdom

1. Two
2. Four
3. five
4. Three

10. Class dicotyledon is divided into

1. 7 sub-classes
2. 5 sub-classes
3. 3 sub-classes
4. 2 sub- classes