Jss1 first term Agricultural Science past questions and answers

 

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

a) Photosynthesis

b) Absorption of water and nutrients

c) Transpiration

d) Support and structure

 

Answer: b) Absorption of water and nutrients

 

Question: Which of the following tools is commonly used for digging and turning soil in the garden?

 

a) Rake

b) Hoe

c) Shovel

d) Pruner

 

Answer: b) Hoe

 

Question: What gas do plants absorb from the atmosphere during photosynthesis?

 

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

 

Answer: b) Carbon dioxide

 

Question: Which part of the plant is responsible for the process of photosynthesis?

 

a) Leaves

b) Stem

c) Roots

d) Flowers

 

Answer: a) Leaves

 

Question: What is the function of chlorophyll in plants?

 

a) Absorbing water

b) Storing nutrients

c) Capturing sunlight for photosynthesis

d) Transporting sugars

 

Answer: c) Capturing sunlight for photosynthesis

 

Question: Which type of soil has the best water retention capacity?

 

a) Sandy soil

b) Clay soil

c) Loamy soil

d) Peaty soil

 

Answer: c) Loamy soil

 

Question: What is the main purpose of fertilizers in agriculture?

 

a) Providing shade to plants

b) Controlling pests

c) Enhancing soil fertility

d) Preventing soil erosion

 

Answer: c) Enhancing soil fertility

 

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

 

a) Organic farming

b) Hydroponics

c) Aeroponics

d) Conventional farming

 

Answer: a) Organic farming

 

Question: What is the term for the process of breaking down organic matter into simpler substances by microorganisms?

 

a) Photosynthesis

b) Decomposition

c) Fermentation

d) Germination

 

Answer: b) Decomposition

 

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

 

a) Increasing pest infestation

b) Conserving water

c) Improving soil fertility and preventing disease

d) Accelerating plant growth

 

Answer: c) Improving soil fertility and preventing disease

 

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 function of the petals in a flower?

 

a) Attracting pollinators

b) Absorbing sunlight

c) Storing nutrients

d) Facilitating water absorption

 

Answer: a) Attracting pollinators

 

Question: In which part of the plant does the process of germination take place?

 

a) Leaves

b) Roots

c) Seeds

d) Flowers

 

Answer: c) Seeds

 

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

 

a) Soil aeration

b) Pollination of crops

c) Weed control

d) Pest prevention

 

Answer: b) Pollination of crops

 

Question: Which gas is produced as a byproduct of respiration in plants?

 

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

 

Answer: b) Carbon dioxide

 

Question: What is the importance of nitrogen-fixing bacteria in soil?

 

a) Enhancing soil acidity

b) Promoting weed growth

c) Converting nitrogen into a form plants can use

d) Facilitating water absorption

 

Answer: c) Converting nitrogen into a form plants can use

 

Question: Which farming method involves the practice of growing multiple crops in the same field during a single growing season?

 

a) Monoculture

b) Polyculture

c) Hydroponics

d) Aeroponics

 

Answer: b) Polyculture

 

Question: What is the primary purpose of the greenhouse effect in agriculture?

 

a) Controlling temperature for optimal plant growth

b) Preventing the growth of weeds

c) Increasing air pollution

d) Minimizing water usage

 

Answer: a) Controlling temperature for optimal plant growth

 

Question: Which of the following is a non-renewable natural resource essential for plant growth?

 

a) Sunlight

b) Water

c) Soil

d) Fossil fuels

 

Answer: b) Water

 

Question: What is the term for the process of transferring pollen from the male to the female part of a flower?

 

a) Fertilization

b) Germination

c) Pollination

d) Photosynthesis

 

Answer: c) Pollination