NATIONAL STANDARD EXAMINATION IN BIOLOGY ... - Career Point

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BIOLOGY NSEB 2012-2012013 EXAMINATIONCAREER POINT63. A cladogram depicting the evolutionary relationship between some primates is shown below.Which one of the following would describe the relationship in exactly same manner ?Ans.[d]64. Red algae Ganyaulax polyhedra follow circadian rhythm for two different activities; i.e. Photosynthesis andBioluminescence. Which of the following graphs correctly explains this phenomena ?Ans.Sol.[c]Photosynthesis maximum occurs during day time while bioluminescence occurs maximum during night time.65. Which one of the following graphs correctly describes disruptive selection ?Ans.[d]CAREER POINT, CP Tower, Road No.1, IPIA, Kota (Raj.) Ph.: 0744-3040000Website : www.careerpointgroup.com, Email: info@careerpointgroup.com14 / 17
BIOLOGY NSEB 2012-2012013 EXAMINATIONCAREER POINT66. If two people who are both carriers for a genetically inherited fatal recessive disease decide to marry, whatwill be the odds that their children will also be carriers ?(a) 1 out of 2 (b) 1 out of 4 (c) 3 out of 4 (d) 4 out of 4Ans. [a]Sol.P 1 P 2Aa × AaCarrier CarrierA aAaAANoramlAaCarrierAa aaCarrier Disease2 out of 4 / 1 out of 267. Sequences that correctly describes the cell cycle is -(a) → S → G2 → mitosis → cytokinesis → G1 →(b) → G1 → G2 → S → mitosis → cytokinesis →(c) → G1 → S → G2 → cytokinesis → mitosis →(d) → cytokinesis → mitosis → G1 → S → G2 →Ans. [a]Sol.CytokinesisG 1KaryokinesisSG 268. Which of the following is NOT a part of human chromosomes ?(a) Centromere (b) Histone (c) Nucleosome (d) CentrioleAns. [d]Sol. Centriole is a not present in chromosome it is cell organelle.69. Which of the following requires energy ?(a) Diffusion (b) Osmosis (c) Facilitated diffusion (d) None of theseAns. [d]70. Transmission across a synapse is dependent on the release of -(a) neurotransmitters (b) synaptic vesicle (c) Neurons (d) receptor proteinsAns. [a]Sol. Transmission across the synapse of two or more than two neuron are depend on neurotransmitters. eg.Acetylcholine, GABA etc.CAREER POINT, CP Tower, Road No.1, IPIA, Kota (Raj.) Ph.: 0744-3040000Website : www.careerpointgroup.com, Email: info@careerpointgroup.com15 / 17
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NATIONAL STANDARD EXAMINATION IN BIOLOGY ... - Career Point

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