There are many deadly fishes in the world’s oceans. Most have venom which can incapacitate or kill humans within a short period of time.... View Article
Scales in fish usually grow as overlapping plates, with the free end of the scale pointing to the tail. In bony fish, scales are also of... View Article
Yes, fish scales usually grow back even after injuries or illnesses (such as scale protrusion). Further Reading: List of 25 Important Topics in... View Article
From an evolutionary perspective, the catfish lineage lost their scale millions of years ago. However, some species of catfish developed bony... View Article
a) Mannitol and algin b) Laminarin and cellulose c) Starch and cellulose d) Amylopectin and glycogen Answer: (d) Further Reading: List of 25... View Article
a) The functional insulin has A and B chains linked together by hydrogen bonds. b) Genetically engineered insulin is produced in E-Coli. c) In... View Article
a) Golgi bodies b) Polysomes c) Endoplasmic reticulum d) Peroxisomes Answer: (a) Further Reading: List of 25 Important Topics in Biology for... View Article
a) 2.2 meters b) 2.7 meters c) 2.0 meters d) 2.5 meters Answer: (a) Further Reading: List of 25 Important Topics in Biology for Competitive... View Article
a) proximal convoluted tubule of nephron b) eustachian tube c) lining of intestine d) ducts of salivary glands Answer: (a) Further Reading:... View Article
a) Chondrocytes b) Compound epithelial cells c) Squamous epithelial cells d) Columnar epithelial cells Answer: (d) Further Reading: List of 25... View Article
a) DNA polymerase b) RNA polymerase c) DNA ligase d) DNA helicase Answer: (b) Further Reading: List of 25 Important Topics in Biology for... View Article
a) 1 molecule of 6-C compound b) 1 molecule of 4-C compound and 1 molecule of 2-C compound c) 2 molecules of 3-C compound d) 1 molecule of 3-C... View Article
a) Aminoacylation of tRNA b) Recognition of an anti-codon c) Binding of mRNA to ribosome d) Recognition of DNA molecule Answer: (a) Further... View Article
a) Diplotene b) Leptotene c) Pachytene d) Zygotene Answer: (a) Further Reading: List of 25 Important Topics in Biology for Competitive Exams... View Article
a) Marchantia b) Equisetum c) Salvinia d) Pteris Answer: (b) Further Reading: List of 25 Important Topics in Biology for Competitive Exams... View Article
a) the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body. b) the head holds a 1/3rd... View Article
a) Prop roots b) Lateral roots c) Fibrous roots d) Primary roots Answer: (c) Further Reading: List of 25 Important Topics in Biology for... View Article
a) Ethylene b) Abscisic acid c) Cytokinin d) Gibberellin Answer: (d) Further Reading: List of 25 Important Topics in Biology for Competitive... View Article
a) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin b) Low pCO2 in alveoli favours the formation of oxyhaemoglobin c) Binding... View Article
