Tag: iit jam biotechnology previous year paper PYQ

Q.10 The osmotic potential (ψ) of pure water is _____ MPa. (A) -1 (B) 0 (C) 0.1 (D) 10 Osmotic Potential of Pure Water: 0 MPa Explained The osmotic potential […]

Q.9 Indeterminate growth in plants is due to the presence of perpetually undifferentiated tissues, called as ______. (A) Tracheids (B) Meristems (C) Parenchyma (D) Sclerenchyma Indeterminate Growth in Plants: Meristems […]

Q.8 Which of the following are produced by Mangrove trees to survive in the waterlogged swampy forests? (A) Trichomes (B) Pneumatophores (C) Spermatophores (D) Cambia Mangrove Trees Pneumatophores: Key Adaptation […]

Q.7 The number of “Barr Bodies” present in a somatic cell of a woman suffering from Turner syndrome is ____. (A) 0 (B) 1 (C) 2 (D) 3 Barr Bodies […]

Q.6 A random fluctuation in gene frequency is called (A) Genetic drift (B) Genetic load (C) Panmixis (D) Genetic shift Genetic Drift: Random Fluctuation in Gene Frequency Explained Genetic drift […]

Q.5 The fossilization process in which mineral rich water penetrates through the pores of decomposed organic matter is known as _____. (A) Carbonization (B) Chemical fossilization (C) Petrifaction (D) Microfossilization […]

Q.4 Which of the following bacterial component contains “dipicolinic acid”? (A) Endospore (B) Capsule (C) Flagella (D) Pili Dipicolinic acid is a key molecule found exclusively in bacterial endospores, contributing […]

Q.3 Which of the following is a glycolipid? (A) Cerebroside (B) Phosphatidylcholine (C) Phosphatidylserine (D) Cardiolipin Which of the Following is a Glycolipid? MCQ Answer and Explanation Cerebroside is the […]

Q.2 Which among the following belongs to the family “Retroviridae”? (A) Human Immunodeficiency virus (B) Ebola virus (C) Dengue virus (D) Influenza virus Which Virus Belongs to Retroviridae Family? MCQ […]

Q.1 Which of the following is involved in innate immune response in higher mammals? (A) T cell antigen receptor (B) B cell antigen receptor (C) Toll-like receptor (D) Major histocompatibility […]