The study of genetics and breeding techniques used in agriculture
The study of climate change and its effects on agricultural productivity
The study of ecological processes in agricultural systems and their interactions
The study of agricultural practices and their economic impact on farmers
Correct answer is C
Agricultural ecology is a branch of science that focuses on understanding the ecological processes and interactions within agricultural systems. It involves studying the relationships between crops, livestock, pests, beneficial organisms, soil, water, and the surrounding environment.
What are the main differences between monocot and dicot plants?
Monocots have parallel leaf veins, while dicots have branched leaf veins
Monocots have flower parts in multiples of three, while dicots have flower parts in multiples of four or five
All of the above
Monocots have fibrous root systems, while dicots have taproot systems
Correct answer is C
Monocots and dicots are differentiated by several characteristics. Monocots have parallel leaf veins, while dicots have branched leaf veins. This is due to the different growth patterns of the two types of plants. Monocots have flower parts in multiples of three, while dicots have flower parts in multiples of four or five. This is due to the different evolutionary paths of the two types of plants. Monocots have fibrous root systems, while dicots have taproot systems. This is due to the different needs of the two types of plants, with monocots typically being grasses and cereals that benefit from a fibrous root system, and dicots being broad-leaved plants that benefit from a taproot system.
The following are necessary operations in maize cultivation except?
Weeding
Thinning
Nursery practices
Fertilizer application
Correct answer is C
Maize is cultivated by direct seeding, hence, nursery practice is not needed in maize cultivation.
What is soil conservation, and why is it important in agriculture?
Soil conservation involves the removal of topsoil for agricultural purposes
Soil conservation refers to the preservation and sustainable management of soil resources
Soil conservation aims to maximize crop yields through intensive farming practices
Soil conservation focuses on increasing soil fertility through the use of chemical fertilizers
Correct answer is B
Soil conservation is the practice of protecting and managing the soil to prevent erosion, degradation, and loss of fertility. It involves implementing various techniques and practices to ensure the long-term sustainability and productivity of agricultural lands.
Which of the following is the correct order for land preparation?
Land clearing → ploughing → harrowing → ridging
Land clearing → harrowing → ploughing → ridging
Land clearing → ploughing → ridging → harrowing
Land clearing → harrowing → ridging → ploughing
Correct answer is A
Land clearing
↓
Ploughing
↓
Harrowing
↓
Ridging