Chapter 12 BIOLOGY : Improvement in Food Resources — Online MCQ Test
SCIENCE · CLASS 9th · Andhra State Board
Practice Chapter 12 BIOLOGY : Improvement in Food Resources with a free chapter-wise online MCQ test.
This chapter covers: The final chapter details crop variety improvement crop production management crop protection management animal husbandry cattle farming poultry farming and apiculture..
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 12 BIOLOGY : Improvement in Food Resources — Important Questions & Answers
Which of the following is a Kharif crop?
- A. Wheat
- B. Paddy
- C. Mustard
- D. Pea
Answer: B. Paddy
Paddy is a rainy season crop grown in the Kharif season.
Paddy is a rainy season crop grown in the Kharif season.
The process of providing nutrients to plants through soil is known as...
- A. Manuring
- B. Irrigation
- C. Harvesting
- D. Weeding
Answer: A. Manuring
Manuring is the process of adding organic matter or fertilizers to the soil to supply plant nutrients.
Manuring is the process of adding organic matter or fertilizers to the soil to supply plant nutrients.
What is the primary objective of inter-cropping?
- A. To reduce crop yield
- B. To prevent pests and diseases spreading to all plants
- C. To grow crops in random order
- D. To increase soil erosion
Answer: B. To prevent pests and diseases spreading to all plants
Inter-cropping helps prevent pests and diseases from spreading to all plants in the field by alternating rows.
Inter-cropping helps prevent pests and diseases from spreading to all plants in the field by alternating rows.
If a farmer finds that his crops are infested with insects, which of the following is the most immediate biological management strategy?
- A. Adding more nitrogen fertilizer
- B. Using biopesticides or biological control agents
- C. Increasing water irrigation
- D. Reducing the harvest period
Answer: B. Using biopesticides or biological control agents
Biological control agents are natural predators or parasites of pests that manage infestations without chemical reliance.
Biological control agents are natural predators or parasites of pests that manage infestations without chemical reliance.
Which factor most significantly affects the quality of storage in a warehouse for grains?
- A. Presence of pests and humidity
- B. The color of the sacks used
- C. The distance of the warehouse from the city
- D. The age of the laborers
Answer: A. Presence of pests and humidity
Moisture and pests are the primary causes of grain spoilage during storage.
Moisture and pests are the primary causes of grain spoilage during storage.