Which of the following are Indian cattle?
$(i)$ Bos indicus
$(ii)$ Bos domestica
$(iii)$ Bos bubalis
$(iv)$ Bos vulgaris

When Ashok visited his village,he observed that villagers were suffering from malnutrition. To curb malnutrition in the village,he suggested they select five or six fish species in a pond. This increased the fish yield from the pond. The villagers were surprised to see the results and asked him to help with the other two ponds in the village.
$(i)$ What name is given to this intensive fish farming?
$(ii)$ Write the basis on which the different fish species are selected.
$(iii)$ Ashok's initiative is worth praising. Give two reasons.

Two average students, Ram and Shyam, were discussing the following graphs in the class:
[Image: $1158-196$]
The question relating to the graphs was to identify which one of them was not possible. Ram and Shyam agreed that graphs $A, B$ and $C$ were not possible. But Shyam said that graph $D$ is possible, while Ram said that it is also not possible. Since their teacher was on leave, they could not ask her. Seeing this, Ratan, who was very intelligent, came to their rescue. He told Shyam that graph $D$ was also not possible.
$(a)$ Do you think that Ratan is right? If so, why is graph $D$ not possible?
$(b)$ What values are imbibed by Ratan?

Match the following Column $A$ and Column $B$:

Column $A$	Column $B$
$(a)$ Cattle used for tilling and carting	$(i)$ Milk producing female
$(b)$ Indian breed of chicken	$(ii)$ Broiler
$(c)$ Sahiwal,Red Sindhi	$(iii)$ Draught animals
$(d)$ Milch	$(iv)$ Local breed of cattle
$(e)$ Chicken better fed for obtaining meat	$(v)$ Aseel

Cattle husbandry is done for the following purposes:
$(i)$ Milk production
$(ii)$ Agricultural work
$(iii)$ Meat production
$(iv)$ Egg production

$(i)$ Mr. Ramdin,an educated farmer,convinces his friends to use fertilizers judiciously. Why?
$(ii)$ Which two values of Ramdin impress you?