CBSE Questions for Class 8 Biology Crop Production And Management Quiz 4 - MCQExams.com

• A plough or plow is a tool used in farming for initial cultivation of soil in preparation for sowing seed or planting to loosen or turn the soil. 
• Ploughs are traditionally drawn by working animals such as horses or cattle, but in modern times may be drawn by tractors. 

$$\textbf{Correct Option B}$$

$$\textbf{Solution}$$

$$\bullet$$ During the process of ploughing to loosen up the soil. This is done by using instrument called plough.

$$\bullet$$  Plank is a wooden material having a handle in breaking down the soil crumbs into fine soil. It is also used to bring the inner soul to the outer part in order to make it porous and aerated.

$$\bullet$$  So, the correct option is B.

• In agriculture, transplantation is the indirect method of seeding. 
• In this method, seeds are grown in a nursery bed or a green house. 
• After some time, the seeds grow into seedlings and the healthy seedlings are then transferred to the field. 
• It is common in some plants, like tomato, eggplant, peppers, fruit trees, African oil palm, coconut, and many ornamental crops. 
• This method is important for extending the growing season, protecting young plants from diseases and pests. 
• It is also important for avoiding germination problems seen in the method of direct seeding. 

Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fiber, milk, eggs, or other products. 

It includes day-to-day care, selective breeding, and the raising of livestock. The breeding, maintenance, and slaughter of these animals, known as animal husbandry. 

It is a component of modern agriculture that has been practiced in many cultures since humanity's transition to farming from hunter-gatherer lifestyles. 

Animal husbandry practices have varied widely across cultures and time periods.

Thus, correct answer is option D.