Cell Biologybiology Namrata

Test Your Knowledge CELLCELL BIOLOGYBIOLOGY NAMRATA

1. Citric acid cycle takes place in the 15. Lysosomes are generally found in a) Mitochondria b) Lysosome a) Animal cells c) Endoplasmic reticulum d) All the above b) Both animal and plant cells c) Plant cells 2. Prokaryotic ribosomes are d) Bacterial cells a) 10 S b) 20 S c) 70S d) 80S 16. Silicified cell wall is unique to 3. The organelle that lacks a double membrane is a) Blue Green Algae b) Green bacteria a) Mitochondria b) Lysosome c) Ribosome d) Nucleus c) Diatoms d) Dinoflagellates

4. Cell wall is rigid because of 17. The term protoplast was coined by a) Pectin b) Lignin a) Robert Hooke c) Hemicellulose d) Cellulose b) Antony Von Leeuwenhoek c) Purkinje 5. Major function of mitochondria in a cell is d) Hertwig a) Secretion b) Osmoregulation c) Excretion d) Fat synthesis 18. Ribosomes can be seen within 6. Energy currency of cell is a) Endoplasmic reticulum b) Lysosomes a) ATP b) NAD c) FAD d) FMN c) Golgi complex d) Mitochondria

7. Autolysis is a function of 19. Acrosome of human sperm is made up of a) Peroxisomes b) Glyoxisomes a) Endoplasmic reticulum b) Golgi complex c) Lysosomes d) Kinetosomes c) Lysosomes d) Centrioles

8. An octamer of four histones complexed with DNA is 20. Glycolysis pathway was discovered by called a) Calvin b) Krebs a) Centrosome b) Nucleosomes c) J.C. Bose d) None of the above c) Mesosomes d) Endosomes

9. Most of the hydrolytic enzymes of lysosomes function at 21. Both respiration and photosynthesis require a) Acidic pH b) Basic pH a) Magnesium b) Cytochrome c) Neutral pH d) Any pH c) Energy d) All the above

10. Ribosomes were discovered by 22. DNA replication takes place in a) Palade b) de Robertis c) Golgi d) Porter a) S phase b) Go phase 11. Chloroplasts contain c) G2 phase d) M phase a) 50s ribosomes b) 80s ribosomes c) 70s ribosomes d) No ribosomes

12. Lysosomes are discovered by ANSWERS: a) Robert Hook b) Purkyne 1) a 2) c 3) b 4) b 5) d 6) a 7) c c) Hertwig d) Christian de Duve 8) b 9) a 10) a 11) c 12) d 13) a 14) c 13. Which is the smallest cell organelle? 15) b 16) c 17) c 18) d 19) b 20) d 21) d a) Lysosomes b) Ribosomes c) Sphaerosomes d) Glyoxisomes 22) a

14. The organelle not bound by a membrane is Contributed by Ms Namrata, Guest Faculty Lecturer, Patna Women’s a) Nucleus b) Mitochondria College. Address: d/o Sri Bhagwanji Chaturvedi, Shastri Nagar, c) Centriole d) Chloroplast C.D.A. Colony, Patna-800023 24 SCIENCE REPORTER, May 2010 Test Your Knowledge

NAMINGNAMING THETHE CELLCELL RAMAN KUMAR MISHRA

1. The English biologist who coined the term ‘cell’ in 1665: 13. The biologist who coined the term ‘glyoxysome’ in 1967: a) Robert Brown b) Robert Hooke a) R.W. Breidenbach b) Rudolf Virchow c) Robertson d) None c) Schleicher d) None 2. The Czech biologist who coined the term ‘protoplasm’ 14. The biologist who coined the term ‘ribosome’ in 1958: in 1839: a) K.R Porter b) GE Palade & Claude a) Walther Flemming b) Coin Benda c) R.B. Roberts d) A.S. Packard Jr c) J.E. Purkinje d) None 15. The Scottist botanist who coined the term ‘nucleus’ 3. The German botanist who coined the term ‘cytoplasm’ in 1833: in 1882: a) Robert Hooke b) Robert Brown a) Hertwig b) Edward Adolf Strasburger c) Charles Robert Darwin d) K.R. Porter c) Henking d) Sewal Wright 16. The German biologist who coined the term ‘chromatin’ 4. Biologists who coined the term ‘cell membrane’ in in 1879: 1855 were: a) E. Buchner b) Walter Flemming a) Gordon and Ruddle c) Felix Dujardin d) W.L. Johannson b) FHC Crick and JD Watson 17. The biologist who coined the term ‘hetero chromatin’ c) C. Nageli and C. Crammer in 1928: d) Theodor Schwann and M.J. Schleiden a) Emil Heitz b) Sir Henry Hallett Dale 5. Biologist who coined the term ‘plasmalemma’ for cell c) Cruick Shank d) None membrane in 1931: 18. The German biologist who coined the term a) J. Fourier b) Thomas Wharton ‘chromosome’ in 1888: c) Q. Plowe d) Emil Heitz a) Edward Strasburger b) J. Huxley 6. Biologist who coined the term ‘mitochondria’ in 1897: c) W. Waldeyer d) Gordon a) J Q Plowe b) A.G Tansley 19. The biologist who coined the term ‘X-chromosome’ c) Carl Benda d) Gegenbaur in 1905: 7. Biologist who coined the term ‘ATP (Adenosine a) Dobell and LH Hyman Tri Phosphate)’: b) Dr C. Funk and JC Drummond a) Hans Spemann b) Lehmann c) Wilson and Stevans c) Sollas d) Doflein d) Karison and Burtenandt 8. Russian cytologist who coined the term ‘lysosome’ 20. The biologist who coined the term ‘nucleosome’ in 1975: in 1956: a) Oudet et al b) Sendillot c) Zachairs d) Sydney Fox a) Navikoff b) Christian de Duve c) S.A Waksmann d) John Ray 21. The biologist who coined the term ‘DNA (deoxyribonucleic acid)’: 9. The German cytologist who coined the term a) JD Watson and FHC Crick b) Endlicher ‘centrosome’ in 1888: c) Zacharis d) Oudet et al a) Rudolf Clauseus b) Nicole Pende c) Schleicher d) Theodor Boveri 22. The Danish botanist who coined the term ‘gene’ in 1909: a) Wilhelm Johannsen b) Francis Crick 10. The Italian cytologist who coined the term ‘Golgi c) John Ray d) Bates Complex’ in 1898: a) Mayer b) Camillo Golgi c) J. Fourier d) Hans Ris ANSWERS: 11. The biologist who coined the term ‘plastid’ in 1885: a) William Kuhne b) A. F. W. Schimper 1. b 2. c 3. b 4. c 5. c 6. c 7. b c) Dicles d) RHJ Dutrochet 8. a 9. d 10. b 11. b 12. a 13. a 14. c 12. The French chemists who coined the term ‘chlorophyll’ 15. b 16. b 17. a 18. c 19. c 20. a 21. c in 1817 were: 22. a a) Pierre-Joseph Pelletier and Joseph-Bienaime Caventou b) JB Farmer and JE Moore Contributed by Shri Raman Kumar Mishra, Pvt Plot No-CH 18/19, c) A.P.W Schimper and G.E Palade At Co.Op HSC Colony (Behind Telephone Exchange Office), PO- d) None KIIT, PH-II, C.S. Pur, Distt. Khurda, Bhubaneswar-751024, Orissa SCIENCE REPORTER, May 2010 25