SS3 Second Term Agricultural Science Past Questions And Answers

20 challenging questions with multiple-choice options. Each question is designed to test your knowledge across various facets of agricultural science, promoting a holistic grasp of the subject.

 

21. Question:

What is the primary function of mycorrhizal fungi in the soil?

 

a) Nitrogen fixation

b) Water absorption

c) Nutrient exchange with plants

d) Soil aeration

 

Answer:

c) Nutrient exchange with plants

 

22. Question:

Which farming method involves growing crops on terraced slopes to prevent soil erosion?

 

a) Contour farming

b) Strip cropping

c) Alley cropping

d) Precision farming

 

Answer:

a) Contour farming

 

23. Question:

What is the role of auxins in plant growth?

 

a) Inhibiting cell elongation

b) Promoting cell division

c) Inducing flowering

d) Enhancing root growth

 

Answer:

d) Enhancing root growth

 

24. Question:

Which gas is released during the process of anaerobic respiration in plants?

 

a) Oxygen

b) Carbon dioxide

c) Methane

d) Nitrogen

 

Answer:

c) Methane

 

25. Question:

In animal husbandry, what is the purpose of dehorning cattle?

 

a) Improving milk quality

b) Preventing injuries to other animals

c) Enhancing meat flavor

d) Increasing resistance to diseases

 

Answer:

b) Preventing injuries to other animals

 

26. Question:

What is the primary function of a seed drill in agriculture?

 

a) Seed storage

b) Seed dispersal

c) Precise seed planting

d) Weed control

 

Answer:

c) Precise seed planting

 

27. Question:

Which type of soil is well-draining and retains moisture effectively?

 

a) Sandy soil

b) Clayey soil

c) Loamy soil

d) Peaty soil

 

Answer:

c) Loamy soil

 

28. Question:

What is the purpose of crop rotation in sustainable agriculture?

 

a) Enhancing soil fertility

b) Improving water efficiency

c) Controlling pests

d) Increasing crop yield

 

Answer:

c) Controlling pests

 

29. Question:

Which plant hormone is responsible for fruit ripening?

 

a) Gibberellins

b) Ethylene

c) Cytokinins

d) Abscisic acid

 

Answer:

b) Ethylene

 

30. Question:

What is the significance of nitrogen in the growth of plants?

 

a) Enhancing flower color

b) Synthesizing proteins

c) Facilitating water uptake

d) Controlling leaf size

 

Answer:

b) Synthesizing proteins

 

31. Question:

Which method is commonly used for controlling soil erosion on steep slopes?

 

a) Cover cropping

b) Windbreak planting

c) Mulching

d) Crop rotation

 

Answer:

a) Cover cropping

 

32. Question:

In aquaculture, what is the primary purpose of aeration in fish ponds?

 

a) Weed control

b) Disease prevention

c) Oxygen supply

d) Temperature regulation

 

Answer:

c) Oxygen supply

 

33. Question:

What is the role of nitrogen in the composition of chlorophyll?

 

a) Enhancing photosynthesis

b) Providing energy to plants

c) Facilitating nutrient absorption

d) Aiding in seed formation

 

Answer:

a) Enhancing photosynthesis

 

34. Question:

Which farming practice involves growing crops without disturbing the soil through plowing or tilling?

 

a) No-till farming

b) Organic farming

c) Hydroponic farming

d) Intensive farming

 

Answer:

a) No-till farming

 

35. Question:

What is the primary function of the xylem in plants?

 

a) Transpiration

b) Photosynthesis

c) Nutrient absorption

d) Water transport

 

Answer:

d) Water transport

 

36. Question:

In beekeeping, what is the primary purpose of a smoker?

 

a) Harvesting honey

b) Calming bees

c) Controlling diseases

d) Enhancing hive ventilation

 

Answer:

b) Calming bees

 

37. Question:

Which farming system involves the simultaneous cultivation of different crops in the same field?

 

a) Monoculture

b) Polyculture

c) Alley cropping

d) Intercropping

 

Answer:

d) Intercropping

 

38. Question:

What is the primary function of phosphorus in the formation of DNA and RNA?

 

a) Energy transfer

b) Cell structure

c) Protein synthesis

d) Genetic material synthesis

 

Answer:

d) Genetic material synthesis

 

39. Question:

In horticulture, what is the primary purpose of pruning?

 

a) Weed control

b) Enhancing fruit quality

c) Controlling pests

d) Improving soil fertility

 

Answer:

b) Enhancing fruit quality

 

40. Question:

Which farming method involves the cultivation of crops without soil, using a nutrient-rich water solution?

 

a) Aquaponics

b) Hydroponics

c) Aeroponics

d) Symbiotics

 

Answer:

b) Hydroponics