MCQOPTIONS
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MCQOPTIONS
This section includes 166 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which part of the human brain regulates sleep ? |
| A. | Medulla oblongata |
| B. | Cerebellum |
| C. | Pineal gland |
| D. | Pituitary gland |
| Answer» D. Pituitary gland | |
| 2. |
The leading probiotic drink yakult contains which of the following bacterium ? |
| A. | Escherichia coli |
| B. | Lactobacillus casei |
| C. | Saccharomyces cerevisiae |
| D. | Lactobacillus plantarum |
| Answer» C. Saccharomyces cerevisiae | |
| 3. |
The organ of the human body which stores the carbohydrates in the form of glycogen is |
| A. | intestine |
| B. | stomach |
| C. | pancreas |
| D. | liver |
| Answer» E. | |
| 4. |
The bone of the which organ is the longest in the human body ? |
| A. | Spinal cord |
| B. | Thigh |
| C. | Rib cage |
| D. | Ankle-bone |
| Answer» C. Rib cage | |
| 5. |
The hormone which stimulates the stomach for the production of digestive juice is |
| A. | Gastrin |
| B. | Trysin |
| C. | Secretin |
| D. | Pepsin |
| Answer» B. Trysin | |
| 6. |
The site of RBC formation in human body is |
| A. | heart |
| B. | spleen |
| C. | liver |
| D. | bone marrow |
| Answer» E. | |
| 7. |
Which of the following blood group is called universal donor ? |
| A. | A+ |
| B. | B+ |
| C. | O+ |
| D. | AB+ |
| Answer» D. AB+ | |
| 8. |
Which of the following is cold blooded ? |
| A. | Fish |
| B. | Frog |
| C. | Lizard |
| D. | All of these |
| Answer» E. | |
| 9. |
Which one among the following is not a living fossil ? |
| A. | Elephant Shrew |
| B. | Ginkgo |
| C. | Stromatolite |
| D. | Diplodocus |
| Answer» E. | |
| 10. |
Which one among the following is the fastest growing plant in the world ? |
| A. | Populus tremuleides |
| B. | Armillaria ostoyae |
| C. | Macrocystis pyrifera |
| D. | Macropanesthia rhinoceros |
| Answer» D. Macropanesthia rhinoceros | |
| 11. |
The number of chambers found in mammals heart is : |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 12. |
The total number of bones found in newly born human body ? |
| A. | 212 |
| B. | 206 |
| C. | 202 |
| D. | 300 |
| Answer» E. | |
| 13. |
Which of the following is not the vestigial human organ ? |
| A. | Tailbone |
| B. | Eardrum muscles |
| C. | Frontal teeth |
| D. | Appendix |
| Answer» D. Appendix | |
| 14. |
Neelgari belongs to the following family |
| A. | Cow |
| B. | Goat |
| C. | Sheep |
| D. | Deer |
| Answer» B. Goat | |
| 15. |
Which of the following does not have blood but undergoes respiration ? |
| A. | Cockroach |
| B. | Snail |
| C. | Hydra |
| D. | Kangaroo |
| Answer» D. Kangaroo | |
| 16. |
The scientist who firstly explained about the blood circulation |
| A. | A. Leeuwenhoek |
| B. | William Harvey |
| C. | J.G. Mendel |
| D. | Ronald Ros |
| Answer» C. J.G. Mendel | |
| 17. |
The first heart transplantation was performed by |
| A. | Dr. W. Harbe |
| B. | Sir F.G. Hafkin |
| C. | Dr. Louis Pasteur |
| D. | Dr. C. Barnard |
| Answer» E. | |
| 18. |
The structure of double helix of DNA was described by |
| A. | Dr. M. Soha |
| B. | Dr. S. Hawking |
| C. | Watson and Crick |
| D. | Dr. A. Fleming |
| Answer» D. Dr. A. Fleming | |
| 19. |
In human the thickest skin is present in |
| A. | palm |
| B. | sole |
| C. | neck |
| D. | head |
| Answer» C. neck | |
| 20. |
The 1968 Nobel prize for Physiology or Medicine was shared by Holley, Khorana and Nirenberg, for |
| A. | discovery of tRNA |
| B. | genetic code |
| C. | genetic structure |
| D. | meiosis |
| Answer» C. genetic structure | |
| 21. |
The main function of the Golgi body is |
| A. | respiration |
| B. | to begin cell division |
| C. | to produce gastric juice |
| D. | secretion |
| Answer» E. | |
| 22. |
When we consume the goat or sheep beef then we are |
| A. | Primary consumer |
| B. | secondary consumer |
| C. | tertiary consumer |
| D. | None of the above |
| Answer» C. tertiary consumer | |
| 23. |
The study of bones is done under the branch of science called |
| A. | Orology |
| B. | Osteology |
| C. | Seromology |
| D. | Geology |
| Answer» C. Seromology | |
| 24. |
The study related to the fishes is called |
| A. | Cryptology |
| B. | Sicrotology |
| C. | Ichthyology |
| D. | Lepidopterology |
| Answer» D. Lepidopterology | |
| 25. |
Who propounded the theory of Jumping-gene? |
| A. | G.J. Mendel |
| B. | Thomas Hunt |
| C. | Mc Clintock |
| D. | Heneric Hertz |
| Answer» D. Heneric Hertz | |
| 26. |
Which of the following vitamins acts like hormone? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» E. | |
| 27. |
The theory of mutation was propounded by |
| A. | De-vries |
| B. | Malpighi |
| C. | Robert Hooke |
| D. | Pasteur |
| Answer» B. Malpighi | |
| 28. |
The word gene was firstly used by |
| A. | Waldare |
| B. | Watson |
| C. | Crick |
| D. | Johannsen |
| Answer» E. | |
| 29. |
Who discovered genetic material? |
| A. | Crick and Watson |
| B. | Avery Mclood |
| C. | Friedrich Miescher |
| D. | Federik Meischer |
| Answer» D. Federik Meischer | |
| 30. |
The phenomenon of genetic mutation can not occur in |
| A. | DNA |
| B. | RNA |
| C. | chromosome |
| D. | ribosome |
| Answer» E. | |
| 31. |
Who described of a non-bacterial pathogen or virus for the first time? |
| A. | Stockman |
| B. | Ivonowasky |
| C. | Stanley |
| D. | Smith |
| Answer» C. Stanley | |
| 32. |
Which of the following is not a digestive enzyme in the human system? |
| A. | Trypsin |
| B. | Gastrin |
| C. | Ptyalin |
| D. | Pepsin |
| Answer» C. Ptyalin | |
| 33. |
In the human body, the appendix is attached to |
| A. | the large intestine |
| B. | the small intestine |
| C. | the gall bladder |
| D. | the stomach |
| Answer» B. the small intestine | |
| 34. |
Which of the following does not have a gall bladder? |
| A. | Camel |
| B. | Giraffe |
| C. | Rat |
| D. | Fish |
| Answer» D. Fish | |
| 35. |
Which one of the following does not have sex-chromosome? |
| A. | Monkey |
| B. | Tiger |
| C. | Butterfly |
| D. | Lizard |
| Answer» D. Lizard | |
| 36. |
In which organ of the human body are the lymphocytes formed? |
| A. | Liver |
| B. | Bone marrow |
| C. | Pancreas |
| D. | Spleen |
| Answer» C. Pancreas | |
| 37. |
In human body , which one of the following harmones regulates blood calcium and phosphate? |
| A. | Glucagon |
| B. | Growth harmone |
| C. | Parathyroid harmone |
| D. | Thyroxine |
| Answer» D. Thyroxine | |
| 38. |
Which one of the following parts of human brain is the regulating centre for swallowing and vomiting? |
| A. | Cerebellum |
| B. | Cerebrum |
| C. | Medulla oblongata |
| D. | Cortex |
| Answer» D. Cortex | |
| 39. |
In the human being, normally in which one of the following parts, does the sperm fertilize the ovum? |
| A. | Cervix |
| B. | Fallopian tube |
| C. | Lower part of uterus |
| D. | Upper part of uterus |
| Answer» C. Lower part of uterus | |
| 40. |
Production of which one of the following is associated with the function of the liver? |
| A. | Lipase |
| B. | Urea |
| C. | Mucus |
| D. | Hydrochloric acid |
| Answer» C. Mucus | |
| 41. |
Which organelle in the cell, other than nucleus contains DNA? |
| A. | Centiole |
| B. | Golgi apparatus |
| C. | Lysosome |
| D. | Mitrochondrion |
| Answer» E. | |
| 42. |
When one gene controls two or more different characters simultaneously, the phenomenon is called |
| A. | Apomixis |
| B. | Pleiotropy |
| C. | Polyploidy |
| D. | Polyteny |
| Answer» C. Polyploidy | |
| 43. |
Which one of the following is monogamous? |
| A. | Wolf |
| B. | Walrus |
| C. | Seal |
| D. | Deer |
| Answer» B. Walrus | |
| 44. |
Octopus is |
| A. | an arthropod |
| B. | an echionoderm |
| C. | a hemichordate |
| D. | a molluscs |
| Answer» E. | |
| 45. |
The hormone insulin is a |
| A. | glycolipid |
| B. | fatty acid |
| C. | peptide |
| D. | sterol |
| Answer» D. sterol | |
| 46. |
Which of the following does not have any enzymes in its cells? |
| A. | Algae |
| B. | Virus |
| C. | Lichen |
| D. | Bacteria |
| Answer» C. Lichen | |
| 47. |
The virus is |
| A. | protein and lipid |
| B. | nucleic acid and protein |
| C. | lipid and carbohydrate |
| D. | carbohydrate |
| Answer» C. lipid and carbohydrate | |
| 48. |
Which of the following has the largest number of chromosomes? |
| A. | Human beings |
| B. | Pteridophytes |
| C. | Elephants |
| D. | Bryophytes |
| Answer» C. Elephants | |
| 49. |
The pollination by snail is called |
| A. | Zoophily |
| B. | Entomophily |
| C. | Chiropteriphily |
| D. | Malacophily |
| Answer» E. | |
| 50. |
Which of the following is also called Jelly-Fish ? |
| A. | Hydra |
| B. | Physelia |
| C. | Aurelia |
| D. | Matrideam |
| Answer» D. Matrideam | |