Olympiad Test: Improvement in Food Resources- 1 - Class 9 MCQ

Organic farming is a type of agricultural practices that relies on techniques, such as crop rotation, green manure, compost and biological pest control.

It does not involve usage of chemical fertilizer, which has multiple adverse effects on the environment and the fellow beings in it.

Lentils are pulse yielding plants. Cauliflower is a vegetable and Hibiscus is a flower, whereas Sunflower is used to make oil.

The grains are stored in huge stores and warehouses. These stores and warehouses should be regularly and strictly cleaned, disinfected and kept dry to avoid ants, insects, worms or rodents infestations and keep the grains safe and hygienic for consumption at any time. There should be proper space or be disjoining between the grain sacks for fumigation and regular inspection of the grains. The grains are stored in mass scale in huge chambers called silos. the silos have a proper outlet to withdraw the desired quantity of grains.The silos have built-in arrangements for aeration, fumigation, protection from rodents, insects and bird etc. Thus all three options strict cleaning, proper disjoining and fumigation is equally important for the storage of grains.

Apiculture is the scientific method of rearing honeybees. Apis mellifera is also referred to as the Italian bee. This species has a very typical dance routine to indicate food availability, and like the little bee, stings less. As the common name suggests, this species is not local. However, because of the high amount of honey produced, it is often reared by beekeepers.

Bos indicus: Also termed as Zebu are domestic cattle which originates from Indian subcontinent and South Asia and are a part of Indian cattle. They are also known as humped cattle. Bos domestica: They are the African species. Bos bubalis: They are generally termed as wild water buffalo and are found in parts of India and Southeast Asia.

Beeswax, of which the comb is made, is a secretion of the wax glands located in the abdomen of the worker bees.

Wax glands of honey bees are present in worker eggs.

Nicotine, Neem and Pyrethrum, all of these help in protecting the crops from harmful insects and act as natural insecticides.

So, the correct answer is "All of the Above".

Catla is the fastest growing carp. It is otherwise known as major carp. It is one of the economically vital South India-based freshwater fish in a carp family. It is actually native to the lakes and rivers in Nepal, northern India, Pakistan, Myanmar and Bangladesh.

As the population is growing rapidly, we require more food to feed the population. Agricultural scientists are looking for different methods to increase the food production over several years. For better farming scientists thought of increasing production and storage of food grains and proper distribution of these food grains to the general people. Government supports financially and technically to former for buying food grains and using effective methods informing.

Weeds are defined as the unwanted plants in crop fields which grow along with the main crop. They are strong and dominating competitors for crops. Their copious seed production, quick population establishment, and adaptation characteristics make them tough competitors and help in their survival.Weeds compete for essential components required by crops. They compete for light, water, nutrients, and space. They reduce the yield and sometimes they are sources of diseases as well.