Q.38 Which of the following pairs is/are analogous structures? (A) Human hands and bat wings (B) Butterfly wings and bat wings (C) Bat wings and bird wings (D) Dolphin flippers […]
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CSIR NET Life Science Previous Year Questions and Solution on EXTENSION OF MENDELIAN PRINCIPLES (62)
IIT JAM Biotechnology Previous Year Question Paper 2021
DNA Replication Initiation
Q.37 Which of the following is/are involved in the initiation of DNA replication? (A) RhoA (B) oriC (C) Sigma factor (D) DnaA DNA Replication Initiation: Correct Answer to MCQ Q.37 […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Molecular Genetic Techniques in Forensic Science
Q.36 Which of the following molecular genetic technique(s) is/are used in forensic science? (A) Coimmunoprecipitation (B) DNA fingerprinting (C) Restriction fragment length polymorphism (D) Electrophoretic mobility shift assay Molecular Genetic […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Prokaryotic vs Eukaryotic Gene Expression
Q.35 Which of the following is/are common to both prokaryotic and eukaryotic gene expression? (A) Coupled transcription and translation (B) Post-translational modification (C) Genetic code (D) Presence of the sequence […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Ubiquinone (Coenzyme Q) in Electron Transport Chain
Q.34 Which of the following is/are TRUE about the electron carrier, ubiquinone (coenzyme Q)? (A) Its ability to accept two electrons, one at a time, enables ubiquinone to function at […]
IIT JAM Biotechnology Previous Year Question Paper 2021
cAMP as Second Messenger for Epinephrine
Q.33 Cyclic AMP (cAMP) acts as a second messenger for which of the following primary signaling molecule(s)? (A) Retinoic acid (B) Prostaglandins (C) Cortisol (D) Epinephrine Cyclic AMP (cAMP) serves […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Oleic Acid MCQ
Q.32 Oleic acid, shown below, is (A) A saturated fatty acid (B) An unsaturated fatty acid (C) Insoluble in water (D) Soluble in acetoneOleic acid in this question is an […]
IIT JAM Biotechnology Previous Year Question Paper 2021
IR Spectroscopy
Q.31 Infrared (IR) spectroscopy is used for determining certain aspects of the structure of organic compounds. Which of the following statement(s) is/are FALSE? (A) IR radiation induces electronic transitions (B) […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Difference Between Mitosis and Meiosis I
Q.30 The difference between mitosis and meiosis I is(A) Sister chromatids separate in mitosis, whereas homologous chromosomes separate in meiosis I(B) The nuclear membrane is absent during mitotic metaphase, but […]
IIT JAM Biotechnology Previous Year Question Paper 2021
Dosage Compensation in Mammals
Q.29 In mammals, females have two X chromosomes and males have one X chromosome. Equalexpression of X–chromosome genes in both sexes is ensured by(A) Dosage compensation (B) Histone code(C) RNA […]
