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Quiz 1
Mdcat-past-papers - NUMS - Biology Quiz
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Board: NUMS | Subject: Biology |
1. Plasma membrane is named so because it surrounds:
Semi fluid cell content
Protoplasm
Cell wall
None
2. Which is not a basic unit of cell:
Cell wall
Cell membrane
Nucleus
Ribosomes
3. Cell wall is synthesized by:
Cellulose
Cell
Ribosome
Penicillin binding protein
4. In a typical compound microscope the resolution is 2um, which is about that of naked eye:
200X
300X
400X
500X
5. Which of following combination is not a part of an animal cell:
Central vacuole, cell membrane, ribosomes
Chloroplast, Ribosome, Mitochondria
Cell wall, Chloroplast, Central vacuole
Ribosome, Mitochondria, cell wall
6. Identify the correct order:
Organ - Function - cell – tissue
Cell - Organ - Tissue - Function
Cell - Tissue - Organ – System
Tissue - Organ - Cell – Function
7. The process by which various components of cell including its organelles can be isolated is called:
Homogenization
Cell fractionation
Gel electrophoresis
Ultracentrifugation
8. The outermost boundary in most of the leaf cell is:
Cell wall
Cell membrane
Tonoplast
Unit membrane
9. Transport of glucose across the cell membrane occurs by:
Simple diffusion
Facilitated diffusion
Primary active transport
Secondary active transport
10. Protein layers which are not continuous on the surface make percent of total in plasma membrane:
50-60%
60-70%
60-80%
70-90%
11. Which of the following is the most prominent part of cell membrane in living organisms?
Terpenoids
Phospholipids
Waxes
Acylglycerols
12. Chief material present in the cell walls of plants, fungal and Prokaryotic cells are:
Proteins
Lipids
Polysaccharides
Phospholipids
13. Which type of movement through cell membrane is not energy consuming process?
Endocytosis
Exocytosis
Active transport
Osmosis
14. Cholesterol molecules in plasma membrane are present in:
Outer membrane of phospholipids
Inner membrane of Phospholipids
Both layers of phospholipids
Between bilayers of phospholipids
15. Fibers of extra cellular matrix are attached to in plasma membrane:
Phospholipids
Carbohydrates
Glycolipids
Proteins
16. The basic structural framework of all types of membrane are:
Glycolipids
Glycoproteins
Lipoproteins
Nucleoproteins
17. Major Lipid containing compound of cell membrane is:
Cholesterol
Phospholipids
Lipoproteins
Aqua Proteins
18. Outermost boundary of all types of cells is:
Cell Wall
Cell membrane
Protoplasm
Cytoplasm
19. Cell membrane also contain------- through which movement of materials take place by active and passive transport:
lipid
charged pores
corner
carbohydrates
20. Why it is said that plasma membrane is asymmetrical?
Proteins are not fixed at their position
Hydrophobic tail facing inward and hydrophilic head facing outward
The two surfaces and halves are not identical
Cholesterol molecules are only present inside
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