10 most difficult agri­cul­ture riddles

False parasol is a highly poisonous mushroom producing severe gastrointestinal symptoms of vomiting and diarrhea. It is commonly confused with the shaggy parasol or shaggy mane, and is the most commonly consumed poisonous mushroom in North America. Its large imposing appearance and similarity to the edible parasol mushroom, as well as its habit of growing in areas near human habitation, are reasons cited for this.

Rapeseed (Brassica napus) in the case of one particular group of cultivars, canola), is a bright-yellow flowering member of the family Brassicaceae (mustard or cabbage family), cultivated mainly for its oil-rich seed. It is the third-largest source of vegetable oil in the world.

In recent years, the production of tobacco is growing due to increased productivity by developing nations. The top producers of tobacco are China (39.6%), India (8.3%), Brazil (7.0%) and the United States (4.6%).

There are both full-sized and bantam Araucanas. They may be either normally tailed or rumpless. The Araucana has a pea comb and lays approximately 250 blue or green eggs per year.

Maize has become a staple food in many parts of the world, with total production surpassing that of wheat or rice. However, not all of this maize is consumed directly by humans. Some of the maize production is used for corn ethanol, animal feed and other maize products, such as corn starch and corn syrup.

The Dutch rabbit, also known as Hollander or Brabander is easily identified by its characteristic colour pattern, was once the most popular of all rabbit breeds. However, after dwarf rabbits were developed, the popularity of the Dutch rabbit dwindled. Nevertheless, the Dutch rabbit remains one of the top ten most popular breeds worldwide.

According to the FAO data from 2014, the apple production leader is China - 40 924 707 (tonnes),US takes second place - 5 185 078 (tons), third Poland - 3 195 299 (tons).

The Silkie is a breed of chicken named for its atypically fluffy plumage, which is said to feel like silk and satin. The breed has several other unusual qualities, such as black skin and bones, blue earlobes, and five toes on each foot, whereas most chickens only have four. They are often exhibited in poultry shows, and appear in various colors.

A chicken tractor (sometimes called an ark) is a movable chicken coop lacking a floor. Chicken tractors may also house other kinds of poultry. Most chicken tractors are a lightly built A-frame which one person can drag about the yard. It may have wheels on one or both ends to make this easier.

Zebu is a species or subspecies of domestic cattle originating in South Asia. Zebu are characterised by a fatty hump on their shoulders, a large dewlap, and sometimes drooping ears. They are well adapted to withstanding high temperatures, and are farmed throughout the tropical countries.