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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The theory which states that all animals and plants are composed of cells and cell products is known as |
| A. | ell Theory |
| B. | tomic Theory |
| C. | ohr's Theory |
| D. | one of the above |
| Answer» B. tomic Theory | |
| 2. |
Which of the following organelles of a cell is involved in photosynthesis? |
| A. | hloroplast |
| B. | itochondria |
| C. | olgi bodies |
| D. | ndoplasmic reticulum |
| Answer» B. itochondria | |
| 3. |
The main function of the Golgi body is |
| A. | espiration |
| B. | o begin cell division |
| C. | o produce gastric juice |
| D. | ecretion |
| Answer» E. | |
| 4. |
Who is known as father of Biology |
| A. | ristotle |
| B. | arwin |
| C. | amark |
| D. | inneus |
| Answer» B. arwin | |
| 5. |
Who is known as father of Biology? |
| A. | ristotle |
| B. | rawin |
| C. | amark |
| D. | urkenja |
| Answer» B. rawin | |
| 6. |
Which are called the factory of protein synthesis? |
| A. | ibosomes |
| B. | ysosmes |
| C. | olgi Bodies |
| D. | itochondria |
| Answer» B. ysosmes | |
| 7. |
The study of structure and functions of cells is termed as |
| A. | enetics |
| B. | cology |
| C. | mbrylogy |
| D. | ell Biology |
| Answer» E. | |
| 8. |
The great contribution of Schwan was |
| A. | hat he saw |
| B. | ow interpreted what he saw |
| C. | ell theory |
| D. | one of the above |
| Answer» D. one of the above | |
| 9. |
Chromosomes are present |
| A. | nside the nucleus |
| B. | nside the cytoplasm |
| C. | nside the ribosomes |
| D. | nside the endoplasmic reticulum |
| Answer» B. nside the cytoplasm | |
| 10. |
Which is called the factory of ribosomes? |
| A. | ucleus |
| B. | ucleous |
| C. | acuole |
| D. | ndoplasmic Reticulum |
| Answer» C. acuole | |
| 11. |
Through cell membrane, which substances can pass more easily than others? |
| A. | eptides soluble |
| B. | ucleic acids soluble |
| C. | ellulose soluble |
| D. | ipid soluble |
| Answer» E. | |
| 12. |
These are rods or filament like very small bodies present in the cytoplasm of all cells of plants and animals. |
| A. | olgi Bodies |
| B. | ibosomes |
| C. | ysosomes |
| D. | itochondria |
| Answer» E. | |
| 13. |
A cell consists of three main components which is ________ |
| A. | ytoplasm, Nucleus, cell membrane |
| B. | rotoplasm, Nucleoplasm, Cytoplasm |
| C. | ucleus, Ribosomes, Plasma membrane |
| D. | lasma membrane, Nucleus, Golgi bodies |
| Answer» B. rotoplasm, Nucleoplasm, Cytoplasm | |
| 14. |
In most plants and animals, the fluid filled sacs or cisternae of Golgi Bodies may vary from |
| A. | to 2 |
| B. | to 3 |
| C. | to 7 |
| D. | to 10 |
| Answer» D. to 10 | |
| 15. |
The cell was discovered by |
| A. | ooke |
| B. | chleiden |
| C. | ken |
| D. | arwin |
| Answer» B. chleiden | |
| 16. |
Which one is the first organelle to be discovered? |
| A. | hloroplast |
| B. | ucleus |
| C. | acuole |
| D. | ysosome |
| Answer» C. acuole | |
| 17. |
Who of the following is known as the Father of Biology? |
| A. | arwin |
| B. | amarck |
| C. | ristotle |
| D. | heophrastus |
| Answer» D. heophrastus | |
| 18. |
Which one of the following processes takes place in lakes during eutrophication? |
| A. | apid destruction of algal growth |
| B. | xcessive availability of dissolved oxygen |
| C. | oss of dissolved nutrients from water |
| D. | xcessive entry of nutrient into water |
| Answer» E. | |
| 19. |
Which of the following contain enzymes for cellular respiration ? |
| A. | ictyosomes |
| B. | ndoplasmic reticula |
| C. | ysosomes |
| D. | itochondria |
| Answer» E. | |
| 20. |
Which feature do prokaryotic and eukaryotic cells share? |
| A. | ucleus |
| B. | |
| C. | uclear membrane |
| D. | embrane bound Organelles |
| Answer» C. uclear membrane | |
| 21. |
Who formulated Cell theory? |
| A. | chwan |
| B. | .J.Schleiden |
| C. | enri Dutrochet |
| D. | oth Schawn and M.J.Scheilden |
| Answer» E. | |
| 22. |
Which of the following groups is present in animal cells ? |
| A. | itochondria, Cell membrane, Cell wall, Cytoplasm |
| B. | hloroplasts, Cytoplasm, Vacuole, Nucleus |
| C. | ucleus, Cell membrane, Mitochondria, Cytoplasm |
| D. | acuole, Cell membrane, Nucleus, Mitochondria |
| Answer» D. acuole, Cell membrane, Nucleus, Mitochondria | |
| 23. |
They are present in the underground parts of the plants and stored food. |
| A. | eucoplasts |
| B. | hromoplasts |
| C. | hloroplasts |
| D. | ysosomes |
| Answer» B. hromoplasts | |
| 24. |
The scientific study of livings is called |
| A. | oology |
| B. | notomy |
| C. | cology |
| D. | iology |
| Answer» E. | |
| 25. |
Ribosomes are produced in the |
| A. | ucleus |
| B. | acuole |
| C. | ndoplasmic Reticulum |
| D. | ytoplasm |
| Answer» B. acuole | |
| 26. |
The science related with the study of living is |
| A. | hysics |
| B. | hemistry |
| C. | iology |
| D. | athematic |
| Answer» D. athematic | |
| 27. |
They contain those enzymes which can digest the phagocytosed food particles. |
| A. | ibosomes |
| B. | itochondria |
| C. | ysosomes |
| D. | one of the above |
| Answer» D. one of the above | |
| 28. |
The longest cells of human body is |
| A. | hite blood corpuuscles |
| B. | ed blood cells |
| C. | euron cell |
| D. | one of these |
| Answer» D. one of these | |
| 29. |
The outermost layer in a plant cell is |
| A. | ell wall |
| B. | ell membrane |
| C. | lasma membrane |
| D. | uclear membrane |
| Answer» B. ell membrane | |
| 30. |
In 1610, who made microscope and used it to observe very small animals? |
| A. | obert Hooke |
| B. | alileo |
| C. | ristotle |
| D. | averan |
| Answer» C. ristotle | |
| 31. |
Which one of the following is not reserve food of fungi? |
| A. | lycogen |
| B. | at |
| C. | tarch |
| D. | oth A and B |
| Answer» D. oth A and B | |
| 32. |
In N2 - fixation process, nitrite is converted to nitrate by |
| A. | itrobacter |
| B. | zotobacter |
| C. | itosomonas |
| D. | zospirillum |
| Answer» B. zotobacter | |
| 33. |
Which of the fungi is commonly called as bread mould? |
| A. | uccinia |
| B. | hizopus |
| C. | stilago |
| D. | ll of these |
| Answer» C. stilago | |
| 34. |
The study of microorganisms is termed as |
| A. | volution |
| B. | icrobiology |
| C. | oology |
| D. | alaeontology |
| Answer» C. oology | |
| 35. |
Virus was discovered by |
| A. | .M.Stanely |
| B. | tanely Miller |
| C. | . Iwanowski |
| D. | arpenchenko |
| Answer» D. arpenchenko | |
| 36. |
Virus range in size from |
| A. | nm to 70 nm |
| B. | nm to 100 nm |
| C. | nm to 200 nm |
| D. | nm to 300 nm |
| Answer» E. | |
| 37. |
The virus is |
| A. | rotein and lipid |
| B. | ucleic acid and protein |
| C. | ipid and carbohydrate |
| D. | arbohydrate |
| Answer» C. ipid and carbohydrate | |
| 38. |
Under the ideal environmental conditions bacterial cells divide at the rate of division per twenty |
| A. | econd |
| B. | inutes |
| C. | ours |
| D. | ays |
| Answer» C. ours | |
| 39. |
The individual chain of cells or filament in the colony of Nostoc is known as |
| A. | richome |
| B. | eterocyst |
| C. | ormogonia |
| D. | one of the above |
| Answer» B. eterocyst | |
| 40. |
Lederberg and Tatum demonstrated conjugation in the bacteria in |
| A. | 944 |
| B. | 945 |
| C. | 946 |
| D. | 947 |
| Answer» D. 947 | |
| 41. |
Virus is not regarded as a cell, because |
| A. | t is anactive unless it finds a host to multiply |
| B. | ost of the cellular activity is absent |
| C. | he genetic material does not replicate on its own |
| D. | ll of the above |
| Answer» E. | |
| 42. |
Rod shaped bacteria are known as |
| A. | occi |
| B. | acilli |
| C. | pirilla |
| D. | one of the above |
| Answer» C. pirilla | |
| 43. |
Cork-screw shaped bacteria are known as |
| A. | occi |
| B. | acilli |
| C. | pirilla |
| D. | one of the above |
| Answer» D. one of the above | |
| 44. |
Red snow causing alga is |
| A. | hamydomonas nivalis |
| B. | hlamydomonas reinhardtii |
| C. | hlamydomonas debaryanum |
| D. | halmydomonas media |
| Answer» B. hlamydomonas reinhardtii | |
| 45. |
Which of the following does not have any enzymes in its cells? |
| A. | lgae |
| B. | irus |
| C. | ichen |
| D. | acteria |
| Answer» C. ichen | |
| 46. |
Sexual reproduction in Algae that takes place through fusion of two dissimilar size gametes is called |
| A. | oospores |
| B. | nisogamous |
| C. | sogamous |
| D. | ogamous |
| Answer» C. sogamous | |
| 47. |
They are probably the simplest and the smallest living organisms possessing cellular organisation. |
| A. | iruses |
| B. | ungi |
| C. | osses |
| D. | acteria |
| Answer» E. | |
| 48. |
Commercial agar is obtained from |
| A. | hlorella |
| B. | racilaria |
| C. | arphyro |
| D. | olvox |
| Answer» C. arphyro | |
| 49. |
Heterocysts, specialised for nitrogen fixation, occur in certain |
| A. | ed brown algae |
| B. | lue green algae |
| C. | erns |
| D. | osses |
| Answer» C. erns | |
| 50. |
Which type of bacteria get their food from dead organic matter? |
| A. | arasitic |
| B. | utotrophic |
| C. | aprophytic |
| D. | one of the above |
| Answer» D. one of the above | |