Crop Production and Management Test - 1

Loose smut of wheat is a common fungal disease throughout the wheat-growing regions of the world. It is a seedborne disease.

Puccinia graminis causes black rust of wheat. This disease affects the stems, leaves and grains of the plant.

White rust of crucifers is a disease in plants caused by the oomycete Albugo candida or one of its close relatives. Plants susceptible to this disease generally include members of the Brassica family or cruciferous family. Mustard belongs to Brassica family.

Seeds should be sown neither very deep nor on surface to optimise their germination. Also, there should be proper spacing between the seeds to allow their proper growth. Hence, seeds should be sown at adequate depth with proper space between them.

Ploughing is the process which prepares the soil for the growth of a crop. It helps in loosening the soil, makes it well aerated, brings nutrient rich layer to the top and mixes nutrients evenly. It does not have anything to do with uniform distribution of water.

Swelling is a part of body infiltration of serum in subcutaneous cellular tissue and is called oedema.

Cushing's disease is caused by hyperactivity of glucocorticoids.

ADH or vasopressin is a hormone that helps your kidneys manage the amount of water in your body. So, in deficiency of ADH, the volume of urine will increase.

Uremia is a disease in which there is an excess of urea in the body.

Decreased secretion of ADH causes diabetes inspidus. Deficiency of insulin causes diabetes mellitus.