MCQOPTIONS
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MCQOPTIONS
This section includes 114 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Significance of mitosis cell division is |
| A. | Increasing cellular mass |
| B. | Swift division |
| C. | Occur in every tissue of body. |
| D. | Producing cell genetically similar to parent cell |
| Answer» E. | |
| 2. |
Control room of the cell is |
| A. | Mitochondria |
| B. | Nucleus |
| C. | Lysosome |
| D. | Golgi bodies |
| Answer» C. Lysosome | |
| 3. |
Which of the following features of DNA make if unequaly suited to store and transmit genetic information from generation to generation? |
| A. | Complementary of the two strand |
| B. | Double helix |
| C. | Robbert Hooke |
| D. | Schleiden and Schwann |
| Answer» C. Robbert Hooke | |
| 4. |
Plasma membrane is made up of |
| A. | Carbohydrates and fats |
| B. | Fats and proteins |
| C. | Proteins and carbohydrates |
| D. | Carbohydrates and proteins |
| Answer» C. Proteins and carbohydrates | |
| 5. |
Mitochondrial cristae are site of |
| A. | Breakdown of macromolecules |
| B. | Protein synthesis |
| C. | Phosphorylation of flavoprotein |
| D. | Oxidation-reduction reaction |
| Answer» E. | |
| 6. |
Which of the following structure is present in mitochondria |
| A. | Quantasones |
| B. | Oxusomes |
| C. | Polysomes |
| D. | Dictyosomes |
| Answer» C. Polysomes | |
| 7. |
Two strand of DNA held together by |
| A. | Nitrogen bond |
| B. | Hydrogen bond |
| C. | Carbon bond |
| D. | Oxygen bond |
| Answer» C. Carbon bond | |
| 8. |
With reference to the latest developments in stem cell research consider the following statements1. The only source of human stem cells are the empryos at blastocyst stage.2. The stem cells can be derived without causing destruction to blastocysts.3. The stem cells can regnerate themselves in vitro virtually farever.4. Indian research centres also created a few cell lines which can be developed into many types of tissues. Which of the statement ate coorect? |
| A. | 1, 2 and 4 |
| B. | 1, 2 and 3 |
| C. | 1, 2 , and 3 |
| D. | 3 & 4 |
| Answer» E. | |
| 9. |
Which chemical characteristic is not common in all living organism |
| A. | Type of protein present in body |
| B. | Similar triplet code for amino acid |
| C. | Energy is stored in high phosphate bonds |
| D. | Ribosomes are site of protein synthesis |
| Answer» B. Similar triplet code for amino acid | |
| 10. |
Prokyarotic Ribosomes are |
| A. | 80 s |
| B. | 70 s |
| C. | 60 s |
| D. | 50 s |
| Answer» C. 60 s | |
| 11. |
Rigidity of cell wall is due to presence of |
| A. | Cellulose |
| B. | Lignin |
| C. | a and b both |
| D. | Suberin |
| Answer» D. Suberin | |
| 12. |
The longest cell in human body is |
| A. | Liver cell |
| B. | Muscles cell |
| C. | Nerve cell |
| D. | None of these |
| Answer» D. None of these | |
| 13. |
The statements "Protoplasm is the physical basis of life" is given by |
| A. | Darwin |
| B. | Purkinje |
| C. | John Ray |
| D. | Hathinths |
| Answer» C. John Ray | |
| 14. |
Nucleus was discovered by |
| A. | Robert Brown |
| B. | Leeuwenhock |
| C. | Robert Hooke |
| D. | Schleiden and Schwann |
| Answer» B. Leeuwenhock | |
| 15. |
Both respiration and photosynthesis require |
| A. | Sun light |
| B. | Chlorophyll |
| C. | Glucose |
| D. | Cytochromes |
| Answer» E. | |
| 16. |
In a living cell what is the site of ribosome formation? |
| A. | Golgi bodies |
| B. | Endoplasmic reticulum |
| C. | Plasma membrane |
| D. | Nucleolus |
| Answer» E. | |
| 17. |
Grana and stroma lamellae occur in |
| A. | Chloroplast |
| B. | Ribsomes |
| C. | Golgi bodies |
| D. | Mitochondria |
| Answer» B. Ribsomes | |
| 18. |
Centrioles are found in |
| A. | Green plants |
| B. | Animals |
| C. | Bacteria and cynobacteria |
| D. | Both b and c |
| Answer» C. Bacteria and cynobacteria | |
| 19. |
Molecular and cellular research centre is situated in |
| A. | Mumbai |
| B. | Kolkata |
| C. | Banglore |
| D. | Hyderabad |
| Answer» E. | |
| 20. |
Infolding from the inner membrane of mitochondira is called |
| A. | Cristae |
| B. | Cistrnea |
| C. | Oxyosomes |
| D. | Matrix |
| Answer» B. Cistrnea | |
| 21. |
Which one of the following is considered as a cell withing a cell |
| A. | Ribosome |
| B. | Chloroplast |
| C. | Lysosome |
| D. | Golgi appartus |
| Answer» D. Golgi appartus | |
| 22. |
Mitochondria are store houses of |
| A. | Glycogen |
| B. | Glucose |
| C. | ATP |
| D. | Fat |
| Answer» D. Fat | |
| 23. |
True nucleus is absent in |
| A. | Bacteria |
| B. | Fungi |
| C. | Algae |
| D. | Lichens |
| Answer» B. Fungi | |
| 24. |
cell wall is |
| A. | Permeable |
| B. | Semipermeable |
| C. | Selective permeable |
| D. | Non-permeable |
| Answer» B. Semipermeable | |
| 25. |
Endoplasmic reticulum remain attached to the |
| A. | Plasma membrane |
| B. | Nucleus |
| C. | Mitochondria |
| D. | Both a and b |
| Answer» E. | |
| 26. |
Site of protein synthesis in a cell is |
| A. | Lysosomes |
| B. | Ribosomes |
| C. | Mitochondia |
| D. | Golgi bodies |
| Answer» C. Mitochondia | |
| 27. |
The term cell was first coined b y |
| A. | Swanson |
| B. | Leeuwenhock |
| C. | Robert Hooke |
| D. | Robert brown |
| Answer» D. Robert brown | |
| 28. |
Plant cells are generally without |
| A. | Ribosomes |
| B. | Plastids |
| C. | Lysosomes |
| D. | Vacoule |
| Answer» D. Vacoule | |
| 29. |
Cell organelles covered by single membrane |
| A. | Glyoxysome |
| B. | Lysosome |
| C. | Per-oxisome |
| D. | All of these |
| Answer» E. | |
| 30. |
Nucleoid is present in |
| A. | Procaryotes |
| B. | Protozoa |
| C. | Green algae |
| D. | None of these |
| Answer» B. Protozoa | |
| 31. |
Which organelles in the cell, other than nucleus contains DNA? |
| A. | Centriole |
| B. | Goalgi apparatus |
| C. | Lysosomes |
| D. | Mitrochondira |
| Answer» E. | |
| 32. |
Nucleus takes part in synthesis of |
| A. | r RNA |
| B. | t RNA |
| C. | m RNA |
| D. | DNA |
| Answer» B. t RNA | |
| 33. |
Cell theroy was put forward by |
| A. | Schleiden and Schwann |
| B. | Sulton and Boveri |
| C. | Watson and Crick |
| D. | Darwin an Wallace |
| Answer» B. Sulton and Boveri | |
| 34. |
Which one of the following is known as power house of cell? |
| A. | Golgi bodies |
| B. | Nucleolus |
| C. | Mitochondria |
| D. | Ribosomes |
| Answer» D. Ribosomes | |
| 35. |
Function of lysosome is |
| A. | Protein synthesis |
| B. | Processing and packaging |
| C. | Intracellular digestion |
| D. | Synthesis of fat |
| Answer» D. Synthesis of fat | |
| 36. |
A substance which os more than 80% in the cell is |
| A. | Protein |
| B. | Fat |
| C. | Mineral |
| D. | Water |
| Answer» E. | |
| 37. |
Energy currency of cell is |
| A. | AMP |
| B. | ATP |
| C. | RNA |
| D. | DNA |
| Answer» C. RNA | |
| 38. |
Sucidal bag of cell is |
| A. | Lysosomes |
| B. | Ribosomes |
| C. | Nucleosomes |
| D. | Galgi bodies |
| Answer» B. Ribosomes | |
| 39. |
Attractive colour of flower and seed is due to |
| A. | Heucoplast |
| B. | Chromoplast |
| C. | Chlaroplast |
| D. | Tonoplast |
| Answer» C. Chlaroplast | |
| 40. |
Which one of following is largest cell organelles? |
| A. | Chromosomes |
| B. | Mitochondria |
| C. | Plastid |
| D. | Golgi bodies |
| Answer» D. Golgi bodies | |
| 41. |
A plant cell differ from animal in having |
| A. | Chloroplast |
| B. | Cell wall |
| C. | Cell membrane |
| D. | Nucleus |
| Answer» C. Cell membrane | |
| 42. |
Electron microscope is in invented by |
| A. | Knole & Ruska |
| B. | Schilden & Schwann |
| C. | Fleming & Brown |
| D. | Watson & Crick |
| Answer» B. Schilden & Schwann | |
| 43. |
Which of the following is present both in plant and animal? |
| A. | Primary wall |
| B. | Cell wall |
| C. | Plasma membrane |
| D. | Plastids |
| Answer» D. Plastids | |
| 44. |
Which of the followingorganelles found only in plant cell? |
| A. | Cell wall |
| B. | Plastids |
| C. | Vacoules |
| D. | All of these |
| Answer» E. | |
| 45. |
Site of cellular respiration is |
| A. | Golgi bodies |
| B. | Mitochondria |
| C. | Ribosome |
| D. | Lysosomes |
| Answer» C. Ribosome | |
| 46. |
Which one of the following is smallest cell? |
| A. | Mycoplasm |
| B. | Amoeba |
| C. | White blood cells |
| D. | Red blood cells |
| Answer» B. Amoeba | |
| 47. |
Green colour of leaves is due to |
| A. | Chromodtplast |
| B. | Leucoplast |
| C. | Chloroplast |
| D. | Tonoplast |
| Answer» D. Tonoplast | |
| 48. |
The enzyme found is lysosome is |
| A. | Cell sap |
| B. | Cytoplasm |
| C. | Nucleoplasm |
| D. | Hydrolytic enzyme |
| Answer» E. | |
| 49. |
Leucoplast found in mainly |
| A. | Cells of root |
| B. | Cells of stem |
| C. | Cells of leaf |
| D. | Cells of flower |
| Answer» B. Cells of stem | |
| 50. |
Main function of Golgi bodies is |
| A. | Respiration |
| B. | Cell division |
| C. | % produce digestive enzyme |
| D. | Secretory |
| Answer» E. | |