Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 The bond present between chromosomal DNA and proteins is. Hydrogen bond Ionic bond Meallic bond Covalent bond
2 Which class of biomolecules is formed by hydrophobic interactions. Lipoproteins Glycolipids Glycoporateins Globular proteins
3 Which of the followig are teh basic strucutal framework of all types of plasma membranes Lipoprotiens Glycoproteins Glycolipids Nucleo histones
4 The conjugated molecules that are integral structural components of memberanes of the cells are. Glycolipids Glycoproteins Nucleoprotines Both a and b
5 Glycoproteins are formed by the linkage of. Protein and lipid Protien and carbohydrate Two nucleic acids RNA and histone
6 Who in 1950 , concluded that DNA is a fiberous substancein the form of helix. Erwin Chargaff Watson and Crick Rosalind Linus Pauling
7 The program in DNA that directs cellular activities is stored in. Genes Ribosomal protiens Phosphodiester bond Hydrogen bond
8 Translation converts the information in. RNA to protein DNA to RNA Protein to DNA RNA to DNA
9 During translation tRNA moleclules are responsible for. Transporting amino acids to the ribosomes Transcribing DNA into RNA Forming the structure of ribosomes Degradation of mRNA
10 Ribosomal RNA compises approximately what percentage of total cellular RNA 3-4 % 10-15% 80% 50%
11 Clover leaf structur is thd characteristics of  tRNA mRNA r RNA DNA
12 Which typeof RNAcarries the genetic message from DNA to ribosomes. tRNA rRNA mRNA dRNA
13 In the chromosomes of E, coili each strand of DNA contains ....................bases. 5 million, circular 5 million, linear 3 million, linear 8 million, circular
14 The amount of DNA in mitochondriaand chloroplast is 2% 23% 4.1% 6.1%
15 Numebr of hydrogen bonds between G and C in a DNA helix are 2 3 4 5
16 According to Watson and Crick Model " the poles" of DNA double helix are composed of. Nitrogeenous bases Sugar +PO4 groups Ribouncleotides Hydrogen bonds
17 ATP is strucgura a Disaccharide Nucleotide Steroid Dipeptide
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