Question
Differentiate between pathogens and pests. How does an insect-pest attack the plants?
✓
Answer
Difference between:
Insect-pests attack the plants in three ways:
| Pests | Pathogen |
| It is a multicellular organism that causes harm in one way or another | It is a biological agent that causes a disease to its host. |
| They could be rats or spotted bollworms of cotton | They can be bacteria, fungi, virus, protists, and parasite. |
- They cut the root stem and leaves.
- They suck the cell sap from various parts of the plant.
- They bore into stem and fruits.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Describe the characteristics used in hierarchial classification of organisms.
Explain the various preventive measures against insect pests.
Write an essay on crop protection management.
- Identify the figure. What is its function?
- Label V and W.
- Label X, Y and Z.
- W loses its nucleus in the mature state, still it remains alive. Explain how?
Give an account of structure and function of xylem.
There is a water reservoir (river) near a village. Due to insufficient rain, farmers are worried about their crops. Suggest and explain the irrigation practice that can be adopted to supply water to the entire agricultural land in the village.
Describe the structure and functions of nucleus.
What is simple tissue? Classify and explain its Different types with suitable diagram.
Classify connective tissue and give one example of each type.
Discuss the various methods which are used to control plant diseases.