Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

The ................. plough will not invert or turn the soil.

  1. Chisel plough

  2. Ridging plough

  3. Mole plough

  4. Scottish hand plough
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • A chisel plough is a common tool which is used to get deep tillage (prepared land) with limited soil disruption. 
  • The main function of this plough is to loosen and aerate the soils while leaving crop residue at the top of the soil. 
  • This plough can be used to reduce the effects of compaction and to help break up the hardpan. 
  • Unlike many other ploughs, the chisel will not invert or turn the soil. This characteristic has made it a useful addition to no-till and low-till farming practices that attempt to maximise the erosion-prevention. 

Therefore, the correct answer is option A.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

Different types of agricultural hoe are __________

  1. Ridging hoe and hoedads

  2. Draw hoe and scuffle hoe

  3. Dutch hoe and hoop hoe

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Agriculture Hoe is a long handle with thin, flat blade tool, which is used to dig the surface of the ground, pick out the weeds etc. Draw hoes are used to remove weeds without moving the mound soil and Scuffle hoes are used to cut the root of weeds easily and cultivate the soil. Thus, the correct option is B.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

Which of the following is a type of plough?

  1. Chisel plough

  2. Scottish hand plough

  3. Mole plough

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • A plough or plow is a tool used in farming for initial cultivation of soil in preparation for sowing seed or planting to loosen or turn the soil. 
  • The various types of ploughs used in agriculture are chisel, ridging, Scottish hand plough, mole plough etc. 

Therefore, the correct answer is option D.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

The disadvantage of hoe to humans as presented by some individuals is____________

  1. Hoe does not help in removal of weed.

  2. Hoe leads to spoilage of soil.

  3. Use of short handled hoes leads to back pain.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • Hoe is a long-handled gardening tool with a thin metal blade, used mainly for weeding. The human damage caused by long-term use of short-handled hoes, 
  • which required the user to bend over from the waist to reach the ground, and caused permanent, crippling lower back pain to farmworkers. 

Therefore, the correct answer is option C.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

The main function of cultivator is

  1. To turn the soil

  2. To make furrow in soil

  3. To pulverize the soil

  4. All of the above functions
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Cultivators are used to stir and pulverize the soil, either before planting (to aerate the soil and prepare a smooth, loose seedbed) or after the crop has begun growing to kill weeds—controlled disturbance of the topsoil close to the crop plants kills the surrounding weeds by uprooting them, burying their leaves to disrupt their photosynthesis or a combination of both. Cultivators are designed to disturb the soil in careful patterns, sparing the crop plants but disrupting the weeds.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

Which of the following is one (single) handed soil turning plough?

  1. Punjab plough

  2. Praja plough

  3. Victory plough

  4. U. P. No.1 plough
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Plough is a large farming implement with one or more blades fixed in a frame, drawn over the soil to turn it over and cut furrows in preparation for the planting of seeds.
Soil turning plough is of two types:- 
  • Single-handed ploughs; Praja, Meston, WahWah, Care ploughs. 
  • Double handed ploughs; Punjab, Victory, UP no 1, UP no 2 ploughs. 
So the correct option is 'Praja plough'.
Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

What is the percentage of carbon in wrought iron?

  1. 0.05-1%

  2. 1-2%

  3. 2-3%

  4. 3-4%
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Wrought iron is a tough malleable form of iron with a very low carbon content (0.05-1%). It is very soft, ductile, magnetic and has very high tensile strength. It can easily be converted into different shapes. 
So the correct option is '0.05-1%'.
Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

Which of the following does not affect the draft of ploughs? 

  1. Width of furrow

  2. Depth of furrow

  3. Length of furrow

  4. Soil moisture
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plough is a tool which is used by the farmers for cultivation of the soil, planting for the sowing of seeds and turning over the soil and cut furrows. The tool is pulled through the ground in order to prepare furrows on the land. Draft of the plow does not affect the length of furrows. 

So, the correct option is 'Length of furrow'.

Multiple choice biology modern agriculture modern equipments in agriculture soil quality methods of crop production

The working efficiency per day of deshi plough is

  1. 0.3 ha

  2. 0.4 ha

  3. 0.6 ha

  4. 0.8 ha
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plough is a tool which is used by the farmers for cultivation of the soil, planting for the sowing of seeds and turning over the soil and cut furrows. The tool is pulled by oxen or tractors through the ground in order to prepare furrows on the land. 

So the correct option is '0.4 ha'.