Which of the following are exotic breeds of cattle?

How are Indian bees different from Italian bees?

State two advantages of composite fish culture. What is the application of hormonal stimulation in fish culture?

Sehaj tried to set up a small kitchen garden in his backyard. However,the soil was sandy and unsuitable for growing vegetables. Within seven days,he solved the problem and started planting seedlings.
$(a)$ Why was the soil in Sehaj's backyard unsuitable for growing vegetables?
$(b)$ What could be the solution he found? Mention any two.

$(a)$ State two characteristics of a healthy animal.
$(b)$ State any four characteristics of storage structure for grains.

$(a)$ Give two examples of shellfishes.
$(b)$ Mention the names of four marine fish of high economic value.