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1. Oxygenic photosynthesis is found in
2. Heterocysts occur in(a) Bacteria (b) Archaebacteria (c) Mycoplasma (d) Cyanobacteria
3. Protistans are connecting link betweena) Plants and animals b) Fungi and plants c) Monera and multicellular organisms d) Fungi and animals
4. Members of Kingdom Protista are primarily(a) Aquatic(b) Terrestrial (c) Saprotrophs(d) Parasites
5. Five kingdom classification was proposed bya) Herbert Copeland b) Robert H Whittaker c) Ernst Haeckel d) Carolus Linnaeus
6. Which of the following have cellulosic cell wall?(a) Fungi (b) Animalia (c) Plantae (d) Monera
7. Viroids havea) RNA not enclosed by protein coat b) DNA enclosed by protein coat c) DNA not enclosed by protein coat d) RNA enclosed by protein coat
8. Which of the following groups are commonly known as imperfect fungi(a) Phycomycetes (b) Ascomycetes (c) Basidiomycetes (d) Deuteromycetes
9. Thread-like fungal structures are known as(a) Sclerotia(b) Phycomycetes (c) Hyphae(d) None of these
10. Viruses are no more alive than isolated chromosomes because theya) Require both RNA and DNA b) Both require food molecules c) Both require oxygen for respiration d) Both require the environment of a cell to replicate
11. The smallest known agents of the infectious diseases are(a) Viruses (b) Mycoplasmas (c) Viroids (d) Actinomyces
12. Main component of cell wall of fungi is(a) Chitin (b) Cellulose (c) Glucose(d) Pectin
13. Which of the following structures are produced exogenously in fungus?(a) Ascus(b) Conidia (c) Basidium (d) Microspores
14. Which is not character of a population?(a) Sex ratiob) Age (c) Birth rate and death rate(d) Habitat
15. J-shaped growth curve is observed in(a) Logistic growth (b) Exponential growth (c) Mutualism (d)None of above
16. Which enzyme is produced by ADA gene?a) Adenylate b) Adenine deaminase c) Adenosine deaminase d) Adenine
17. Gene therapy involvesa) Introduction of normal gene to a cell b) Replacement of defective gene with normal gene c) Transfer of gene d) None of above
18. Which chain is absent in mature insulin?(a) Chain A (b) Chain B (c) Chain C(d) Chain A and B
19. Human insulin is commercially produced froma) Rhizobium b) Mycobacterium c) Saccharomyces d) Escherichia
20. What connects peptide chain in mature insulin?a) Disulphide bridges b) Ligase c) Covalent bond d) Hydrogen bond