Q.48 Whales can dive undersea to depths of 2 km. The pressure on the whale at this depth(ignoring atmospheric pressure) is _______ × 106 Pa. (Density of sea water = […]
Author: admin
CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES (62)
IIT JAM Biotechnology Previous Year Question Paper 2023
Force Constant of Hanging Spring with 500g Mass
Q.47 A massless ideal spring is hanging vertically. A sphere of mass of 500 g, suspendedfrom the spring, stretches the spring from its initial position by 50 cm when itreaches […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Restriction Endonuclease 3 Base Recognition Site Probability Cut DNA Random Nucleotides
Q.46 A restriction endonuclease has a recognition site of 3 bases. Assuming randomarrangement of nucleotides, the probability that this endonuclease will cut a pieceof DNA is _______ (rounded off to […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Mass Spectrometry Electron Ionization
Q.45 Among the five fragments given below,the number of fragment(s) accelerated to the analyzer tube in mass spectrometerwith electron ionization is/are _______. In electron ionization mass spectrometry, only positively charged fragments (molecular […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Ionic Radii of K+ Li+ Rb+ Cs+ Compared to Na+
Q.44 Among K+, Li+, Rb+, Cs+, the number of cation(s) having ionic radii more than Na+is/are _______. Among K⁺, Li⁺, Rb⁺, Cs⁺, four cations have ionic radii larger than Na⁺. […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Basicity Order of Aliphatic Amines
Q.43 Among i–BuNH2, NH3, Me2NH, EtNH2, the number of compound(s) more basic thanMeNH2 is/are _______. Two compounds are more basic than MeNH₂. The question asks for the number of compounds […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Number of Unique Linear Tetrapeptides
Q.42 The number of possible unique combination(s) of linear tetrapeptides that can bemade from four different amino acids using each amino acid only once in the chainis/are _______. Linear tetrapeptides […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Net NADH Molecules from Glucose in Glycolysis Aerobic Conditions
Q.41 The net number of molecule(s) of NADH formed from one molecule of glucose inglycolysis under aerobic conditions is/are _______. Net NADH molecules from one glucose in glycolysis under aerobic […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Synthetic Oligonucleotides
Q.40 Which of the given statement(s) about synthetic oligonucleotides is/are correct?(A) Chemical synthesis extends the DNA chain from 3 ́→5 ́end(B) They can be utilized for site–directed mutagenesis(C) Chemical synthesis […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Hyperventilation Effects on Arterial Blood
Q.39 Hyperventilation (breathing rapidly and deeply) causes which of the followingevent(s) in the arterial blood?(A) Decrease in CO2 concentration(B) Decrease in proton concentration(C) Increase in pH(D) Increase in O2 concentration […]
