Which one of the following interactions plays a major role in stabilizing B-DNA? (1) Hydrogen bond (2) Hydrophobic interactions (3) Van der Wall’s interactions (4) Ionic interactions Comprehending B-DNA Stability: […]
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RPSC College Lectureship Botany Zoology Interview Preparation
RPSC College Lectureship Interview Preparation – Botany & Zoology by Let’s Talk Academy Understanding the RPSC Interview Process The RPSC College Lectureship interview panel consists of 3-4 members, including a […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Why is NaCl More Soluble in Water Than in Ethanol?
The Solubility of NaCl is greater in water than ethanol. What physical property of the solvent governs this difference ? (1) Surface tension (2) Viscosity (3) Dielectric constant (4 ) […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Electronegativity, π-Orbitals, Aromaticity & Dielectric Constant
11. Given below are some physicochemical properties (column X) and their manifestations (column Y). X […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
The Effect of Radioactive Phosphorus on DNA Stability
When a radioactive phosphorus is incorporated into DNA strand, the phosphodiester bond generally break after a short while because- (1) The bond strength of phosphorus decreases (2) Phosphorus on radioactive […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Half-Life of Radioactive Materials
9. Half-life of radioactive material does not depend upon (1) Initial concentration of material (2) Decay constant (3) Type of radioisotope (4) Energy emission Understanding Half-Life: What Factors Do Not […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Hybridization and Bond Strength in sp³, sp², and sp¹ Orbitals
Arrange them according to decreasing order of strength (1) sp3>sp2>sp1 (2) sp1>sp2>sp3 (3) sp3>sp1>sp2 (4) sp1>sp3>sp2 Hybridization and Bond Strength: Arranging sp³, sp², and sp¹ Orbitals Understanding Hybridization and Bond […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Energy Released on Breaking the H-H Covalent Bond
What would be approx. energy released on breaking H- H covalent bond (1) 4.32 x 105 J/mol (2) 1 x 10-19 J/mol (3) 5 x 10-19 J/mol (4) 8 x […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
What Determines Bond Strength in Covalent Compounds
Which of the following bonds will be most difficult to break? (1) C-O (2) C-P (3) C-N (4) C-S Strongest Covalent Bonds: Which Bond is Hardest to Break? What Determines […]
CSIR NET Previous Year Questions on Biochemistry Atoms & Molecules
Understanding Atomic Interaction Energy: Identifying Bond Types
The interaction energy between atom A and B is 400 kJ/mol-1. The type of interaction between them is (1) pi – pi. (2) covalent. (3) ion-dipole. (4) hydrogen bond. Understanding […]
