Q6 of 465 Page 59

Compare layers and broilers.

Broilers are chickens raised to produce meat.


Layers are chickens raised to produce eggs.


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4

Match the items of column I and II











Column I



Column II



1. Green manure


2. Micronutrient


3. Catla


4. Kasturi



(a) Carp


(b) Rice


(c) Iron


(d) Cluster bean (guar)


 5

Write down the composition of a freshwater composite fish culture. How is competition avoided between fishes?

 7

What are weeds? How do they affect crop plants? Describe biological control of weeds.

 8

Describe fertilizers and compare them with biofertilizers and composts.