Archives: Questions and Answers

Q.7 Which color of light excites a natural GFP to emit green fluorescence? (A) Blue (B) Green (C) Infrared (D) Red

Q.6 Which one of the following is present in a bacterial cell? (A) 28S rRNA (B) 70S ribosome (C) Chitinous cell wall (D) Histones

Q.5 RNA is a polymer of (A) glycosides (B) ribonucleosides (C) ribonucleotides (D) riboses

Q.4 Which organelle in a eukaryotic cell is the site of the electron transport chain? (A) Endoplasmic reticulum (B) Golgi apparatus (C) Mitochondrion (D) Peroxisome

Q.3 The most abundant type of RNA in a metabolically active mammalian cell is (A) mRNA (B) rRNA (C) snoRNA (D) tRNA

Q.2 In DNA replication, the Okazaki fragments are joined by (A) DNA helicase (B) DNA ligase (C) DNA polymerase (D) DNA primase

Q.1 Which one of the following is a simple tissue system in plants? (A) Epidermis (B) Parenchyma (C) Phloem (D) Xylem