MCQOPTIONS
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MCQOPTIONS
This section includes 59 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Plant requires |
| A. | Synthesis of chlorophyll |
| B. | Opening and closing of stomata |
| C. | . |
| D. | . |
| Answer» B. Opening and closing of stomata | |
| 52. |
Claviceps purpurea |
| A. | Smut of barley |
| B. | Erogotism of rye |
| C. | Powdery mildew of pea |
| D. | Rust of wheat |
| Answer» C. Powdery mildew of pea | |
| 53. |
Most of the plants obtain |
| A. | Free nitrogen gas |
| B. | Nitric acid |
| C. | Nitrites |
| D. | Nitrates |
| Answer» E. | |
| 54. |
Leaf spot disease of rice |
| A. | Fungus |
| B. | Bacteria |
| C. | Virus |
| D. | None of these |
| Answer» B. Bacteria | |
| 55. |
White rust of |
| A. | Puccinia graminis |
| B. | Ustilago tritici |
| C. | Phytophthora infestans |
| D. | Albugo candida |
| Answer» E. | |
| 56. |
Red rust disease of tea |
| A. | Bacteria |
| B. | Lichen |
| C. | Fungi |
| D. | Green algae |
| Answer» E. | |
| 57. |
Milibug |
| A. | Mustard |
| B. | Wheat |
| C. | Mango |
| D. | Brinjal |
| Answer» B. Wheat | |
| 58. |
White bud in maize |
| A. | Sulphur |
| B. | Potassium |
| C. | Zinc |
| D. | Manganese |
| Answer» D. Manganese | |
| 59. |
The scientist who studied about |
| A. | H.C. Bose |
| B. | K.C. Pant |
| C. | Birbal Shani |
| D. | D.D. Pant |
| Answer» C. Birbal Shani | |