Biology Fsc Part 1 Chapter 2 Online Test With Answers

Biology Fsc Part 1 Chapter 2 Online Test

Sr. # Questions Answers Choice
1 Plasmid are used to carry gene of interest for the synthesis of specific Lipids Proteins Polysaccharides Nuclelic acids
2 Circular, double stranded, extra chromosomal DNA in bacteria  is called. Genomic DNA Chromosomal DNA Plasmid Episome
3 Chromosome of bacterial differs from eukaryotic chromosomes in. Bounded by memebrane Lack histones Have histones Have Nucleosome
4 Which of the following is not the function of mesosomes. Adhesion  Cell division  DNA replication  Respiration 
5 At some poin, beacteial cell membrane inveginatesto form vesicles, tubules or lambellae n cytoplasm, thes structures are known as. Ribosomes Mesosomes Endosomes Peroxisomes
6 Which bacterial posses pore made up of porin protein, for spacific molecules. Gram negative Gram positive Gram negative Both a and b
7 Gram positive bacteria stain purple because they retain  Violet dye Secondary dye Safranian Alcohol
8 The cell wall of Gram positive and gram negative bateria differs in. Gram positive contain thin layer of peptidoglycan Gram negative contain less lipid content  Gram negative contain lesser periplanic space Gram positive contain thick layer of peptidolgycan and less lipid content
9 The major component of bacterial cell wall is. Lecithin Peptidoglycan Disaccharides All of above
10 The HIV capsid contains. Single stranded DNA and reverse transcriptase Single stranded RNA and reverse transcriptase Double stranded DNA and integrate Double Stranded RNA andRNA Polymerase
11 The enzyme responsible for conerting HIV RNA into DNA is RNA polymeras Reverse transcriptase DNA Helicase Integrase
12 Which one of the following is not nitrifying bacteria. Pseudomonas Nitrobacter Nitrosomonas Azotobater
13 Which of the followig bacteia structures is responsible for detectingand responding to chemicals. Capsule Pili Flagella Ribosomes
14 Which type of motility in bacteria is mediated by pili Brownian movement Twitching motility Swarming motility gliding motility
15 What is the primary function of flagella in bacterial cells Motility DNA replication  Cell division  Protein synthesis
16 Which group of bacteria is known as a good source of antibiotics. Omnibacteria Actinomycetes Spirochaetes Pseudomonas
17 In bacterial cells, respiration occurs at Mitochondria Cell  membrane Ribosomes Endoplasmic reticulum
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