Embibe Experts Solutions for Chapter: Improvement in Food Resources, Exercise 1: Exercise

Given figures represent three different castes of a colony of honeybees.

Select the incorrect statement regarding these:

Read the following statements carefully and select which of them are true (T) and which of them are false (F).

(i) Exotic breed which is very popular for egg-laying but is not ideal for meat purposes is White Leghorn.
(ii) Karan-Swiss is a high-yielding cross breed cattle variety while Jersey-Sindhi is an indigenous breed of India.
(iii) Much breeds are milk-yielding while draught breeds are working animals.
(iv) Ayrshire is an Indian breed of cow.

Read the given passage and answer the following question:
Three different cropping patterns, viz. $X,$ $Y$ and $Z$ are applied to get the maximum benefits from a crop field. In $X$, two or more crops are grown together in the same field in different rows or strips. In $Y$ also, two or more crops are grown together but not in definite rows. In $Z$ , different crops are grown on a piece of land in a pre-planned succession. These cropping patterns maintain soil fertility and crop yield. Select the option that correctly identifies any two of these cropping patterns.

Read the given paragraph where few words have been italicised.

Irrigation ensures that the crops get water whenever they need it during growing season. Tube wells are surface water source of irrigation. They get water from porous soil strata. Canal system of irrigation draws water from rivers and is also related to generation of hydroelectricity. River lift system is advantageous in those areas where river water is easily available. Both canals and river lifts are groundwater sources of irrigation.
Select the correct option regarding this.

A few healthy gram seeds are placed in each of the three pots $X, Y$and $Z$ containing same type of soil. The soil in pot $X$ is mixed with some green leaves. The soil in pot $Y$ is mixed with old cow dung while soil of pot $Z$ is mixed with urea. Pots are watered regularly and given proper environment for plant-growth. Which of the following will be observed after $10$ days?

What would happen if poultry birds were bigger and unable to adjust to summer weather? What technique will be used to obtain small-sized poultry birds that can survive the summer?

On their farm, Rahul and Sahana were engaged in floriculture. The flowers were sold to Indian florists. They believed that their income would grow if they began keeping bees as well. The local officer provided them with more details.

What is pasturage and how is it related to quality of honey? Do you think society should appreciate them? Explain your answer.

When discussing the significance of food management, the teacher informed the students that tonnes of grain were ruined in the government warehouse in 2010 owing to heavy rains because adequate safety measures were not done. As a result, commodity prices skyrocketed.

Government’s decision to let the grains rot in the warehouses was not right. What do you think would have been done at that time to reduce loss?