Biology Fsc Part 1 Chapter 4 Online Test With Answers

Biology Fsc Part 1 Chapter 4 Online Test

Sr. # Questions Answers Choice
1 The bond which helps in maintationg the structur eof large molecules the proteins, nucleic acids, as well as DNA replication is. Hyrrophobic interaction  Hydrogen bond Hydrophilic interaction  Ionic bond
2 Sodium atom loses its electon and becomes cation, while chlorine accpts that electron and becomes anion, an between them, which also called as Covalent bond Ionic bond dipole dipole interaction  Hydrogen bond
3 Atom a shares its electron with Aical bond is  most likely to be formed between them.tom B whihc type of chem Ionic Covalent Hydrogen Hydrophobic interaction 
4 Which  bond have stored energy and known as potential source of energy C-H Bond C-N bond C-O bond C-C bond
5 Molecule consisting of many identical molecularr units is called. Monomer Polymer Enantiomer Isomer
6 Proteins,nucleic acids and lipids make...........of the dry mass of living organisms. 78% 93% 50% 7%
7 The perecentage of water which makes the living mass of living organism is at least. 60% 70% 80% 90%
8 The type of metabolic reactions in which simpler substances are combined to form complex substance are called Anabolic reactions Catabolic reactions Redox reactions Hydrolytic reactions
9 Basic knowledge of biochemistry helps to understandanatomy and............. Physiology Morphology Parasitology Pathology
10 Haemoglobin has Primary structure Secondary structure Tertirary structure Quaternary structure
11 Which group is found in all fatty acids. COOH SO4 PO4 C-N
12 A compound whose chemcial composition is most closely related to maltose is. Starch Protein ATP RNA
13 What compund would be manufactured difficulty when soil has a shortage of phosphorous. Proteins DNA Fatty acids Cellulose
14 Which one is the largest carbohydrrate Cellulose Ribose Glyceraldehyde Glucose
15 Which of the followig is NOT a protein. Haemoglobin Chlolesterol Pepsin Antibody
16 To which group of lipids the human sex hormones belong. Streroid Waxes Prostagladins Phospholipids
17 Which characteristics of water molecules is responsible for most of the unique poperties of water. Small in size Stick together Held together by covalent bonds Can easily separate from one another
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