Which of the following rocks is formed from shale?
Marble
Slate
Quartzite
Limestone
Correct answer is B
Shales that are subject to heat and pressure of metamorphism alter into a hard, fissle, metamorphic rock known as slate.
Which of the following is a hand tool commonly used in agriculture for cutting grass or crops?
Harrow
Plow
Scythe
Seeder
Correct answer is C
A scythe is a hand tool commonly used in agriculture for cutting grass or crops. It consists of a long, curved blade attached to a handle, and it is used by swinging the blade in a rhythmic motion to cut vegetation close to the ground.
Rain water is made available to crops through
Evaporation
Transpiration
Surface drainage
Root absorption
Correct answer is D
Rain water is made available to crops through root absorption. When rain water gets to the soil, it becomes part of soil water which is absorbed through root hairs. It should be noted that the walls of root hairs are permeable and consist of pectic substances and cellulose which are strongly hydrophilic.
Which breed of sheep is commonly found in Nigeria and known for its meat production?
West African Dwarf
Barbados Blackbelly
Uda
Dorper
Correct answer is A
The breed of sheep commonly found in Nigeria and known for its meat production is the West African Dwarf. This breed is small but has a high resistance to trypanosomiasis and other diseases, making it ideal for meat production in the region.
The N'dama breed of cattle is primarily raised for
Fiber production
Meat production
Milk production
Draft power
Correct answer is B
The N'dama breed of cattle is primarily raised for meat production. N'dama is a breed of cattle indigenous to Africa, and it is well known for its resistance to trypanosomiasis or sleeping sickness. While they can be used for milk production, their primary use is for meat production.