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Q.59 Teratogens are: Environmental compounds that can alter development. Act at specific times when certain organs are forming. The teratogen class includes drugs, chemicals, viruses and radiations. Heavy metals such […]

Q.57 Following are the characteristics of Molluscs: Molluscs are protostomes, have coelom reduced to cavities surrounding heart, nephridia and gonads. Molluscs’ members possess a head-foot, visceral mass, mantle and mantle […]

Q.56 There are both excitatory and inhibitory neurotransmitters. The inhibitory neurotransmitters from the following are: Glycine γ-aminobutyric acid (GABA) Norepinephrine Taurine Glutamate Choose the correct answer from the options given […]

Q.55 Arrange the following taxonomic categories from lower to higher level: Family Class Kingdom Order Species Choose the correct answer from the options given below: E → D → A […]

Q.54 Identify the sequence in the mechanism of local inflammatory response: Presence of pathogen at the site of injury Capillaries widen and become more permeable Mast cells release histamines Entry […]

Q.53 Choose the correct sequence involved in transcription and translation process in eukaryotes: mRNA leaves the nucleus and attaches to a ribosome in cytosol RNA processing Transcription Peptide bond formation […]

Q.52 The flow of water in syconoid type of water canal system in sponges follows the course of: Osculum Spongocoel Radial canals Incurrent canals Dermal Ostia Choose the correct answer […]

Q.51 Arrange the steps involved in cloning of gene into plasmid: Selection of confirmation of recombinant clones Ligation of the gene of interest and plasmid Amplification of the gene of […]

Q.50 Match List I with List II LIST I Order of class Reptilia LIST II Representative animal A. Squamata I. Tortoise B. Crocodilia II. Tuatara C. Chelonia III. Gharial D. […]

Q.49 Match List I with List II LIST I Technique LIST II Application A. Polymerase chain reaction (PCR) I. Specific identification of DNA molecules B. Southern blotting II. Specific identification […]