Jss3 first term Agricultural Science past questions and answers

Question: What is the primary function of chlorophyll in plants?

a) Reproduction

b) Photosynthesis

c) Transpiration

d) Respiration

 

Answer: b) Photosynthesis

 

Question: Which of the following is a leguminous crop?

 

a) Rice

b) Maize

c) Soybean

d) Wheat

 

Answer: c) Soybean

 

Question: What is the major source of nitrogen for plants?

 

a) Oxygen

b) Carbon dioxide

c) Nitrate

d) Ammonia

 

Answer: c) Nitrate

 

Question: Which soil type is known for good water retention and fertility?

 

a) Sandy soil

b) Loamy soil

c) Clayey soil

d) Peaty soil

 

Answer: b) Loamy soil

 

Question: What is the process of breaking down complex organic compounds into simpler forms by microorganisms called?

 

a) Decomposition

b) Transpiration

c) Germination

d) Photosynthesis

 

Answer: a) Decomposition

 

Question: Which agricultural practice involves growing two or more crops simultaneously on the same piece of land?

 

a) Monoculture

b) Polyculture

c) Agroforestry

d) Horticulture

 

Answer: b) Polyculture

 

Question: What is the primary function of the ovary in a flower?

 

a) Seed production

b) Pollination

c) Photosynthesis

d) Fruit formation

 

Answer: d) Fruit formation

 

Question: Which farming method involves the use of chemical fertilizers, pesticides, and modern machinery?

 

a) Organic farming

b) Traditional farming

c) Conventional farming

d) Sustainable farming

 

Answer: c) Conventional farming

 

Question: What is the purpose of crop rotation in agriculture?

 

a) Pest control

b) Soil fertility improvement

c) Increased water retention

d) Faster germination

 

Answer: b) Soil fertility improvement

 

Question: Which of the following is an example of a ruminant animal?

 

a) Horse

b) Rabbit

c) Cow

d) Chicken

 

Answer: c) Cow

 

Question: What is the primary role of bees in agriculture?

 

a) Soil aeration

b) Pollination

c) Seed dispersal

d) Pest control

 

Answer: b) Pollination

 

Question: Which plant nutrient is known for promoting flower and fruit development?

 

a) Nitrogen

b) Phosphorus

c) Potassium

d) Calcium

 

Answer: c) Potassium

 

Question: What is the term for the process of water movement from the roots to the leaves of a plant?

 

a) Transpiration

b) Photosynthesis

c) Absorption

d) Respiration

 

Answer: a) Transpiration

 

Question: Which farming practice involves growing crops without the use of synthetic chemicals?

 

a) Conventional farming

b) Sustainable farming

c) Organic farming

d) Hydroponics

 

Answer: c) Organic farming

 

Question: What is the function of the stomata in plant leaves?

 

a) Photosynthesis

b) Transpiration

c) Respiration

d) Absorption

 

Answer: b) Transpiration

 

Question: Which of the following is a warm-season crop?

 

a) Wheat

b) Barley

c) Rice

d) Maize

 

Answer: d) Maize

 

Question: What is the purpose of adding lime to acidic soils?

 

a) Increase acidity

b) Improve drainage

c) Reduce fertility

d) Neutralize acidity

 

Answer: d) Neutralize acidity

 

Question: In poultry farming, which nutrient is crucial for eggshell formation?

 

a) Protein

b) Carbohydrates

c) Calcium

d) Vitamin C

 

Answer: c) Calcium

 

Question: Which method of irrigation involves supplying water directly to the root zone of plants?

 

a) Drip irrigation

b) Sprinkler irrigation

c) Flooding

d) Furrow irrigation

 

Answer: a) Drip irrigation

 

Question: What is the term for the practice of breeding and raising fish for consumption?

 

a) Pisciculture

b) Apiculture

c) Sericulture

d) Aquaculture

 

Answer: a) Pisciculture