NAT I Medical Biology With Answers

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NAT I Medical Biology

Sr. # Questions Answers Choice
1 Chemically 2ndary cell wall composed of Inorganic salts Silica Waxes All of above
2 Prokaryotic cell wall lacks Peptidoglycan Murein Cellulose None
3 Primary wall is composed of Cellulose Cutin Lignin Waxes
4 Cell wall of plant cells consists of Middle lamella Primary wall Pri-wall secondary wall & middle ismella None
5 The outer most boundary in most of the plant cells is Cell wall Cell membrane Primary wall None
6 Cell membrane helps to take in liquid material is called Endocytosis Phagocytosis Pinocytosis Ingestion
7 In animal cells, cell membranes helps to take in materials by in folding in the form of vacuole is called Endocytosis Digestion Ingestion Lysosomes
8 Which statement about prokaryotic cells is true Prokaryotes have a definite nucleus They are modern type of cells Fungi and protista included in prokaryotes Their nuclear material is directly submerged in the cytoplasm
9 Who discovered the presence of nucleus in the cell Schleiden Schwann Robert Brown Robert Hook
10 The structural and functional unit of life is called Cytoplasm Cell Tissues Nucleus
11 Enzymes involved in the synthesis of protein are integral part of Mitochondria Ribosomes EPR Nucleus
12 An activated enzyme consisted of a polypeptide chain and a co-factor is known as Co-enzyme Apoenzyme Co-factor Holoenzyme
13 If non-protein part is loosely attached with the substrate then it is called Co-enzyme Prosthetic group Activator
14 If the non-protein part is covalently bonded it is known aas Co-enzyme Activator Prosthetic group Product
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