Q.86 Which one of the following animals possesses two chambered heart? (A) Chameleon (B) Peacock (C) Gold fish (D) Blue whale The goldfish possesses a two-chambered heart. This structure, consisting of […]
Q.85 When grouping bacteria using numerical taxonomy approach, many characteristics are determined for each strain. If all characteristics are same, then the % similarity is 100. When comparing two bacterial […]
Q.84 Consider a spherical bacterial cell with diameter 2 μm and a eukaryotic cell of sphericalshape with a diameter of 20 μm. The surface area to volume (in μm–1) ratio […]
Q.81 Which of the following processes are involved in horizontal gene transfer (HGT)? (i) Conjugation (ii) Transduction (iii) Binary fission (iv) Transformation (v) Translesion synthesis (vi) Transversion (A) (i), (iii), […]
Q.80 Among the following characteristics listed below, select those that are the most appropriatefor archaebacteria.(i) Peptidoglycan containing muramic acid and D–amino acids are present in cellwall(ii) Long chain branched alcohols […]
Q.78 Granules are inclusion bodies found in bacteria. Which of the following statements are trueabout granules?(i) Granules can be storage vessels for carbohydrates/lipids(ii) Some granules supply substances for a variety of […]
Q.77 Which of the following cellular structures are absent in eukaryotes and are present at leastin some prokaryotic organisms?(i) Respiratory enzymes(ii) Ribosomes(iii) Nucleoid(iv) Internal membranes(v) Pili(A) (iii) and (v) […]