AL-Majmaah University College of Applied Medical Science Nursing Department Date: Student name: ……………………………. …………….. ID: Time: General Biology - First mid-term exam (BIOL-106) I- Choose the correct answer (put circle)? Q.1) What controls most of the cell processes and contains the hereditary information of DNA. A. Mitochondria B. Chloroplast C. Nucleus D. Nucleolus Q.2)What is a Cell membrane? A. A thin flexible barrier around the cell that regulates transport B. A rigid cover that provides support for the cell C. The place where light energy, water, and carbon dioxide are used D. Convert solar energy to chemical energy Q.3)What is the main function of the Cell Wall? A. To protect and provide support for the cell B. Builds proteins C. Convert solar energy to chemical energy D. Takes in carbon dioxide Q.4) What regulates what enters and leaves the cell and provides protection and support? A. Nucleus B. Ribosomes C. Cell Wall D. Cell Membrane Q.5)You will not find a cell wall in which of these kinds of organisms? A. Fungi B. Animal C. Plants D. All of the above 1 Q.6) Which organelle would you expect to find in a plant cell but not a animal cell? A. Smooth endoplasmic reticulum B. Mitochondria C. Ribosome D. Chloroplast Q.7) What part of the cell is identified with the arrow? A. B. C. D. The nucleus The ribosome The vacuole The chloroplast Q.8) Which part of the plant cell is the chloroplast? A. 1 B. 2 C. 3 D. 4 Q.9) Which organelles helps provide cell with energy and release energy? A. Rough endoplasmic reticulum B. Golgi apparatus and ribosomes C. Mitochondria and chloroplasts D. Smooth endoplasmic reticulum 2 Q.10) Which organelle makes food? a. b. c. d. The vacuole The nucleus The chloroplast The ribosome Q.11) To enter or leave a cell, substances must pass through a. a microtubule. b. the Golgi apparatus. c. a ribosome. d. the nucleus. e. the plasma membrane. Q.12) Bacterial cell are prokaryotic; in comparison to a typical eukaryotic cell they would a. be smaller. b. have a smaller nucleus. c. lack a plasma membrane. d. have fewer internal membranous compartments. e. have a greater variety of organelles. Q.13) You would expect a cell with an extensive Golgi apparatus to a. make a lot of ATP. b. secrete a lot of material. c. move actively. d. perform photosynthesis. e. store large quantities of food Q.14) Of the following organelles, which group is involved in manufacturing substances needed by the cell? a. lysosome, vacuole, ribosome b. ribosome, rough ER, smooth ER c. vacuole, rough ER, smooth ER d. smooth ER, ribosome, vacuole e. rough ER, lysosome, vacuole Q.15) The bacteria cell walls have a large amounts of peptidoglycans that react with Gram’s stain are A) Gram-negative bacteria E) B) Gram-positive bacteria C) Acidic bacteria D) Basic bacteria Q.16) All the following is correct about ribosomes EXCEPT A) B) Synthesis protein Attached to the outside of rear C) D) 3 Composed of three subunits There are two types attached and free. Q.17) which of the following is CORRECT about mitochondria A) B) Lipid is produced lysosomes are present C) D) have single membrane all are wrong Q.18) Viral envelopes contain proteins with covalently attached carbohydrate groups called A) B) Glycoproteins. Proteosugars. C) D) Carbopeptides. . Carboproteins. Q.19) The lytic cycle of bacteriophage infection ends with the A) B) Replication of viral DNA. Entry of the phage protein coat into the host cell. C) D) Assembly of viral particles into phages. Rupture of the bacterium Q.20) …………… is composed of DNA and protein. A) A mitochondrion B) A flagellum C) A centriole D) Chromatin III- Match the sentences from group 1 with the appropriate one from group 2. Group 1 1) mitochondrion Group 2 (-- --) Prokaryote use organic substances as a source for both energy and carbon. 2) flagellum (-- --) production of proteins 3) Capsule 4) ribosome 5) Chemoheterotrophs Nutrition (-- --) Increase bacteria resistance to host defenses. (-- --) cellular respiration (-- --) manufacture of lipids IV- Answer the following questions? 1. Are there living beings without cells? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 4 2. What are the two big groups into which cells are classified? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 3. Do bacteria cells have a nucleus? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 4. Are there any bacteria made of more than one cell? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 5. Are bacteria the only prokaryotic beings? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 6. What is the main constituent of the cell wall of bacteria? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 7. How bacteria reproduce? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 8. Are viruses cellular beings? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 9. What is the basic structure of a viruses ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 10. Are there non-parasitic viruses? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 11. List two characteristics common to all living things? ……………………………………………………………………………………………………………… ……………………………………………………………………………………………………………… 5 12. Compare between Prokaryotes and Eukaryotes? No. 1 Terms Prokaryotes 2 3 Good luck Dr. El-Safey 6 Eukaryotes