MCQOPTIONS
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MCQOPTIONS
This section includes 371 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Bamboo is classified as |
| A. | Tree |
| B. | Grass |
| C. | Shrub |
| D. | Herb |
| Answer» C. Shrub | |
| 2. |
Which of the following plants produce only seeds but no fruit? |
| A. | Sugarcane |
| B. | Peanut |
| C. | Cycas |
| D. | Almond |
| Answer» D. Almond | |
| 3. |
Epiphytes are plants which depend on other plants for |
| A. | Food |
| B. | Mechanical support |
| C. | Shade |
| D. | Water |
| Answer» C. Shade | |
| 4. |
Plant which grow in saline soil are |
| A. | Xerophytes |
| B. | Hydrophytes |
| C. | Halophytes |
| D. | Lithophytes |
| Answer» D. Lithophytes | |
| 5. |
Plant which grow on rock are known as |
| A. | Mesophytes |
| B. | Lithophytes |
| C. | Sclerophytes |
| D. | Oxylophytes |
| Answer» C. Sclerophytes | |
| 6. |
Which of the following is a good source of protein? |
| A. | Pea |
| B. | Pigeon Pea |
| C. | Black Gram |
| D. | Soyabean |
| Answer» E. | |
| 7. |
Which of the following organelles of a cell is involved in photosynthesis? |
| A. | Chloroplast |
| B. | Mitochondria |
| C. | Golgi bodies |
| D. | Endoplasmic reticulum |
| Answer» B. Mitochondria | |
| 8. |
The ultimate cause of water movement in a plant stem against gravity is |
| A. | Osmosis |
| B. | Photosynthesis |
| C. | Transpiration |
| D. | Diffusion |
| Answer» D. Diffusion | |
| 9. |
A seed is ripened |
| A. | Ovary |
| B. | Flower |
| C. | Gynoecium |
| D. | Ovule |
| Answer» E. | |
| 10. |
Which part of the pear is edible? |
| A. | Fleshy thalamus |
| B. | Spores |
| C. | Endosperm |
| D. | Mesocarp |
| Answer» B. Spores | |
| 11. |
Which among the following is not a true fruit? |
| A. | Apple |
| B. | Date |
| C. | Grape |
| D. | Plum |
| Answer» B. Date | |
| 12. |
Th suitable conditions in which the rate of evaporation occurs more fastly are |
| A. | Low speed of wind |
| B. | High humidity |
| C. | Low humidity and high temperature |
| D. | Excess amount of water in the soil |
| Answer» D. Excess amount of water in the soil | |
| 13. |
Which of the following is the cellular respiratory centre? |
| A. | Nucleus |
| B. | Mitochondria |
| C. | Ribosome |
| D. | Golgi body |
| Answer» C. Ribosome | |
| 14. |
Which of the following is a plant hormone? |
| A. | Adreneline |
| B. | Insuline |
| C. | Oxytocin |
| D. | Auxin |
| Answer» E. | |
| 15. |
The water and mineral salts are transported to the various organs by which of the following? |
| A. | Xylem |
| B. | Phloem |
| C. | Cortex |
| D. | Cambium |
| Answer» B. Phloem | |
| 16. |
The food material prepared in the plants is transported to the various organs by which of the following? |
| A. | Xylem |
| B. | Phloem |
| C. | Cortex |
| D. | Cambium |
| Answer» C. Cortex | |
| 17. |
The device to measure the rate of stem growth is |
| A. | Hydrometer |
| B. | Hygrometer |
| C. | Auxanometer |
| D. | Potometer |
| Answer» D. Potometer | |
| 18. |
The photosynthesis occurs in the |
| A. | Day |
| B. | Night |
| C. | Day and Night |
| D. | None of these |
| Answer» B. Night | |
| 19. |
The device to measure transpiration in plants is |
| A. | Hygrometer |
| B. | Crescometer |
| C. | Potometer |
| D. | Clinometer |
| Answer» D. Clinometer | |
| 20. |
The process of evaporation occurs from |
| A. | Root |
| B. | Stem |
| C. | Leaf |
| D. | Entire 'plants' surface |
| Answer» D. Entire 'plants' surface | |
| 21. |
At which region of the electromagnetic spectrum do the plant photosynthesise |
| A. | Red and Blue |
| B. | Green and Yellow |
| C. | Blue and Orange |
| D. | Violet and Orange |
| Answer» B. Green and Yellow | |
| 22. |
Coffee is extracted from the |
| A. | flowers |
| B. | Seeds |
| C. | Leaves |
| D. | Fruits |
| Answer» C. Leaves | |
| 23. |
Turpentine oil is extracted from |
| A. | Nettle |
| B. | Cycas |
| C. | Teak |
| D. | Pine |
| Answer» E. | |
| 24. |
Process by which plants prepare their food is |
| A. | Carbohydrolysis |
| B. | Metabolic synthesis |
| C. | Photosynthesis |
| D. | Photorespiration |
| Answer» D. Photorespiration | |
| 25. |
In Photosynthesis |
| A. | Light energy is converted into chemical energy. |
| B. | Chemical energy is converted into light energy |
| C. | Chemical energy is converted into electrical energy |
| D. | Light energy is converted into mechanical eneargy |
| Answer» B. Chemical energy is converted into light energy | |
| 26. |
Who of the following is known as the Father of Biology?. |
| A. | Darwin |
| B. | Lamarck |
| C. | Aristotle |
| D. | Theophrastus |
| Answer» D. Theophrastus | |
| 27. |
Who of the following is known as the Father of Botany? |
| A. | Darwin |
| B. | Lamarck |
| C. | Carolus Linnaeus |
| D. | Theophrastus |
| Answer» E. | |
| 28. |
Which of the following is known as the Father of Indian Botany? |
| A. | Birbal Shahni |
| B. | K.C.Mehta |
| C. | William Roxburgh |
| D. | T. Sadashivam |
| Answer» D. T. Sadashivam | |
| 29. |
Who is called the Father of Taxonomy? |
| A. | Aristotle |
| B. | Carolus Linnaeus |
| C. | Theophrastus |
| D. | Lamarck |
| Answer» C. Theophrastus | |
| 30. |
The Indian Botanical Garden is located at : |
| A. | Lucknow |
| B. | Kolkata |
| C. | Delhi |
| D. | Allahabad |
| Answer» C. Delhi | |
| 31. |
The gas released during the photosynthesis by the green plants is |
| A. | Oxygen |
| B. | Nitrogen |
| C. | Water vapour |
| D. | Carbon dioxide |
| Answer» B. Nitrogen | |
| 32. |
Tallest terrestrial tree on the earth is: |
| A. | Deodar |
| B. | Eucalyptus |
| C. | Sequoia |
| D. | Pine |
| Answer» D. Pine | |
| 33. |
A typical human ribcage consists of how many ribs ? |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 24 |
| Answer» B. 14 | |
| 34. |
Chilgoza is optained from |
| A. | Cycas |
| B. | Pinus |
| C. | Sellaginella |
| D. | Ginkgo |
| Answer» C. Sellaginella | |
| 35. |
'Sago' is obtained from |
| A. | Cycas |
| B. | Pinus |
| C. | Cedrus |
| D. | Juniperus |
| Answer» B. Pinus | |
| 36. |
The age o trees is estimated by |
| A. | Their heights |
| B. | their weights |
| C. | their elongation of roots |
| D. | counting the number of annual rings |
| Answer» E. | |
| 37. |
Which of the following gas is necessary for the process of photosynthesis? |
| A. | O |
| B. | CO |
| C. | N |
| D. | CO |
| Answer» E. | |
| 38. |
Which of the following metals is found in the chlorophyll? |
| A. | Iron |
| B. | Magnesium |
| C. | Zinc |
| D. | Cobalt |
| Answer» C. Zinc | |
| 39. |
Azolla is a |
| A. | Algae |
| B. | Fungi |
| C. | Bryophyta |
| D. | Aqueous fern |
| Answer» E. | |
| 40. |
Which of the following is used as an ornamental plant? |
| A. | Psilotum |
| B. | Lycopodium |
| C. | Selaginella |
| D. | Pteris |
| Answer» D. Pteris | |
| 41. |
Which of the following bears naked seeds? |
| A. | Angiosperms |
| B. | Gymnosperms |
| C. | Bryophytes |
| D. | Pteridophytas |
| Answer» C. Bryophytes | |
| 42. |
Which of the following is a living fossil? |
| A. | Cycas |
| B. | Pinus |
| C. | Sellaginella |
| D. | Cidrus |
| Answer» B. Pinus | |
| 43. |
In which of the following chlorophyll does not exist? |
| A. | Algae |
| B. | Fungi |
| C. | Bryophytes |
| D. | Pteridophytes |
| Answer» C. Bryophytes | |
| 44. |
The red colour of the red sea is due to the presence of: |
| A. | Moss |
| B. | Bacteria |
| C. | Algae |
| D. | Fungi |
| Answer» D. Fungi | |
| 45. |
Lichen is a composite combination of two organisms. |
| A. | Fungi and Bryophyta |
| B. | Fungi and Fern |
| C. | Algae and Bryophyta |
| D. | Algae and Fungi |
| Answer» E. | |
| 46. |
Which one is a link between chordates and nonchordates ? |
| A. | Sphenodon |
| B. | Balanoglossus |
| C. | Crocodilia |
| D. | None of these |
| Answer» C. Crocodilia | |
| 47. |
The litmus paper utilized in the chemical laboratories is made of : |
| A. | Fern |
| B. | Algae |
| C. | Lichen |
| D. | Fungi |
| Answer» D. Fungi | |
| 48. |
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is |
| A. | B or A |
| B. | AB or A |
| C. | A or O |
| D. | AB or B |
| Answer» C. A or O | |
| 49. |
Which one among the following is the largest monkey ? |
| A. | Spider monkey |
| B. | Baboon |
| C. | Gorilla |
| D. | Howler monkey |
| Answer» C. Gorilla | |
| 50. |
Sickle-cell anemia is a disease caused due to the abnormality in |
| A. | white blood cell |
| B. | red blood cell |
| C. | thrombocytes |
| D. | blood plasma composition |
| Answer» C. thrombocytes | |