Download NEET-UG 2013 Answer Key (Code - X) - Bansal Classes

Q.47 Perisperm differs from endosperm in :(1) having no reserve food(2) being a diploid tissue(3) its formation by fusion of secondarynucleus with several sperms(4) being a haploid tissueAns. 2Q.48 Besides paddy fields, cyanobacteria are alsofound inside vegetative part of :(1) Cycas (2) Equisetum(3) Psilotum (4) PinusAns. 1Q.49 Which of the following statements is correctin relation to the endocrine system?(1) Organs in the body like gastrointestinaltract, heart, kidney and liver do not produce any hormones.(2) Non - nutrient chemicals produced by thebody in trace amount that act asintercellular messenger are known ashormones.(3) Releasing and inhibitory hormones areproduced by the pituitary gland.(4) Adenohypophysis is under direct neuralregulation of the hypothalamus.Ans. 2Q.51 If two persons with' AB' blood group marryand have sufficiently large number of children,these children could be classified as 'A' bloodgroup: 'AB' blood group: 'B' blood group in1:2:1 ratio. Modern technique of proteinelectrophoresis reveals presence of both 'A'and 'B' type proteins in 'AB' blood groupindividuals. This is an example of :(1) Incomplete dominance(2) Partial dominance(3) Complete dominance(4) CodominanceAns. 4Q.52 A pregnant female delivers a baby who suffersfrom stunted growth, mental retardation, lowintelligence quotient and abnormal skin.This is the result of :(1) Low secretion of growth hormone(2) Cancer of the thyroid gland(3) Over secretion of pars distalis(4) Deficiency of iodine in dietAns. 4Q.53 Which one of the following organelle in thefigure correctly matches with its function?Q.50 Megasporangium is equivalent to :(1) Fruit (2) Nucellus(3) Ovule (4) Embryo sacAns. 3(1) Golgi apparatus, protein synthesis(2) Golgi apparatus, formation of glycolipids(3) Rough endoplasmic reticulum, proteinsynthesis(4) Rough endoplasmic reticulum, formation ofglycoproteinsAns. 3