1. Which one of them substance normally fail to cross cell membrane under any circumstances ? (1) DNA (2) Water (3) Fatty acid (4) Ethanol 2. Collagen is rich in (1) Glycine and proline (2) Glycine and glutamate (3) Glutamine and arginine (4) Glutamine and leucine 3. Which one of them chromatography technique suitable for
1. Which one of them is not interact with cell surface receptor ? (1) Gastrin (2) Glucagon (3) Testosterone (4) Insulin 2. Which one of them G-protein regulate the growth of the cell? (1) Rho (2) Ras (3) Ran (4) Rab 3. Chemical signalling is performed by (1) Autocrine signalling (2) Synaptic transmission (3) Paracrine
1. The ornithine cycle was discovered by (1) T. Ornithine (2) Krebs and Hensleit (3) T. Ornithine and Brooker (4) Prosser and J. Nireberg 2. Which one of them is not a peptide nature neurotransmitter ? (1) Serotonin (2) B-endorphin (3) Dynorphin (4) Somatostatin 3. The propagation rate of action potential of nerve depends on
1. In hybridoma, the fusion of cells is between (1) myeloma cell and erythrocyte (2) myeloma cell and lymphocyte (3) lymphocyte and erythrocyte (4) myeloma cell and myeloma cell 2. Which scientist obtained interferon through recombinant DNA technology ? (1) Charles Weismann (2) Smith (3) Kohler (4) Milstein 3. GM — Brinjal in India has
1. DNA with right handed helix, 11 base pair per turn and angle of rotation per base is nearly 32.7° called (1) A-DNA (2) B-DNA (3) C-DNA (4) Z-DNA 2. A group of membrane bound cell organelles is (1) Endoplasmic reticulum, ribosomes, nucleus (2) Chromosomes, ribosomes, endoplasmic reticulum (3) Ribosomes, Golgi bodies, endoplasmic reticulum (4)
1. Fluctuation in the distribution of gene frequencies caused by isolation of non-representative samples of the founding population is called (1) Genome (2) Genotype (3) Genetic drift (4) Gene pool 2. Phenomenon of Industrial melanism in Biston betularia demonstrate (1) Evolution (2) Mutation (3) Directional Natural Selection (4) Stabilizing Selection 3. Evolution of Homo sapiens
1. In which type of blastula, blastocoel is filled with yolk ? (1) Periblastula (2) Coeloblastula (3) Amphiblastula (4) Discoblastula 2. Formation of archenteron occurs in which of the following stages of development ? (1) Blastulation (2) Organogeny (3) Gastrulation (4) Cleavage 3. Notochord develops from (1) Ectoderm (2) Endoderm (3) Mesoderm (4) Mesenchyme 4.
1. Rhabdome is found in (1) eyes of insects (2) cornea of human (3) statocyst of annelida (4) eyes of mollusca 2. Antennae are absent in – (1) Dragon fly (2) Spider (3) Prawn (4) Peripatus 3. What is Trophallaxis ? (1) Exchange of food between insects (2) Exchange of message through touch between insects
1. Which of the following is not the correctly matched pair of structure with functions ? 1) Mitochondria : ATP production 2) Golgi body : Breakdown of complex molecules 3) Chloroplast : Photosynthesis 4) Endoplasmic reticulum : Synthesis of proteins 2. Carbohydrates are characterized by having which of the following functional groups ? 1) Carbonyl
1. Given the gene sequence ABCDE crossing over should occur most frequently between : 1) A – E 2) A – D 3) A – C 4) A – B 2. Can a male be a carrier for a sex linked disease ? 1) Yes, if the mother & father of the male were carriers
