Tag: iit jam biotechnology previous year paper PYQ

Q.30 Ionic character of the covalent bonds in the compounds Cl2, HCl, NaCl, NaFfollows the order(A) Cl2 > NaCl > HCl > NaF(B) HCl > Cl2 > NaF > NaCl(C) HCl > NaCl > NaF > Cl2(D) NaF > NaCl […]

Q.29 Chromosome duplication during the cell cycle occurs in(A) G1 phase(B) G2 phase(C) M phase(D) S phase Chromosome duplication occurs during the S phase of the cell cycle. This is a […]

Q.28 The boiling points of Iodomethane, Dibromomethane, Bromomethane,Chloromethane follow the order(A) Bromomethane > Dibromomethane > Iodomethane > Chloromethane(B) Bromomethane > Iodomethane > Chloromethane > Dibromomethane(C) Dibromomethane > Iodomethane > Bromomethane > Chloromethane(D) Iodomethane > Bromomethane > Chloromethane > Dibromomethane Dibromomethane exhibits the […]

Q.27 In chick embryo, the ectoderm generates(A) alveolar cells(B) germ cells(C) neurons(D) red blood cells The correct answer is (C) neurons. In chick embryo development, the ectoderm primarily differentiates into […]

Q.26 If a variable 𝑧 shows a standard normal distribution, then the percentprobability that0 ≤ 𝑧2 ≤ 1is ___________ (rounded off to the nearest integer).(A) 34(B) 68(C) 95(D) 99 The […]

Q.25 An object is placed 15 𝑐𝑚 in front of a convex mirror, which has a radius ofcurvature 30 𝑐𝑚. Which one of the following is true of the image […]

Q.24 Genes in two species that are derived from the same ancestral gene in their mostrecent common ancestor are called(A) analogs(B) heterologs(C) orthologs(D) paralogs Correct Answer: (C) orthologs​ Genes derived […]

Q.23 Metabolic acidosis is associated with decreased plasma level of(A) bicarbonate(B) lactate(C) oxygen(D) urea Metabolic acidosis is a condition characterized by low blood pH due to excess acid or bicarbonate loss, […]

Q.22 Which one of the following is NOT used as a component in subunit vaccines?(A) Capsular polysaccharide(B) Inactivated exotoxin(C) Inactivated virus(D) Viral glycoprotein Answer: (C) Inactivated virus Subunit vaccines contain […]

Q.21 Adenine constitutes 0.16 mole fraction in a given single–stranded DNA. What isthe mole fraction of uracil in the resultant RNA, if this entire DNA fragment istranscribed?(A) 0.16(B) 0.32(C) 0.34(D) […]