Primary 1 Agric science third Term examination

Primary 1 Agric science third Term examination

Question: What is the main function of the sepals in a flower?

a) Attracting pollinators

b) Protecting the flower bud

c) Producing seeds

d) Absorbing sunlight

Answer: b) Protecting the flower bud

Question: Which of the following is a method of asexual reproduction in plants?

a) Budding

b) Seed dispersal

c) Pollination

d) Germination

Answer: a) Budding

Question: What is the purpose of nitrogen in plant nutrition?

a) Enhances flower color

b) Stimulates root growth

c) Aids in chlorophyll formation

d) Increases seed size

Answer: c) Aids in chlorophyll formation

Question: Which of the following is a greenhouse gas released during the decay of organic matter in soil?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Methane

Answer: b) Carbon dioxide

Question: What is the primary function of the thorns on certain plants?

a) Attracting pollinators

b) Storing water

c) Protection against herbivores

d) Absorbing sunlight

Answer: c) Protection against herbivores

Question: Which of the following is a cereal crop?

a) Cotton

b) Barley

c) Sunflower

d) Coffee

Answer: b) Barley

Question: What is the role of bees in the pollination process?

a) Absorbing sunlight

b) Carrying pollen between flowers

c) Producing seeds

d) Storing nutrients

Answer: b) Carrying pollen between flowers

Question: Which part of the plant develops into the fruit?

a) Ovary

b) Stamen

c) Petal

d) Sepal

Answer: a) Ovary

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

a) Increase acidity

b) Improve drainage

c) Decrease nutrient availability

d) Neutralize acidity

Answer: d) Neutralize acidity

Question: Which of the following is a method of weed control in agriculture?

a) Fertilization

b) Crop rotation

c) Mulching

d) Irrigation

Answer: c) Mulching

Question: What is the importance of sunlight in plant growth?

a) Aids in respiration

b) Provides energy for photosynthesis

c) Supports seed formation

d) Enhances root development

Answer: b) Provides energy for photosynthesis

Question: Which gas is released by plants during respiration?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon dioxide

Question: What is the purpose of the cotyledons in a seed?

a) Protection of the seed coat

b) Energy storage

c) Initial food supply for the embryo

d) Attracting pollinators

Answer: c) Initial food supply for the embryo

Question: Which of the following is a method of water conservation in agriculture?

a) Over-irrigation

b) Drip irrigation

c) Waterlogging

d) Flood irrigation

Answer: b) Drip irrigation

Question: What is the function of the nectar in a flower?

a) Attracting sunlight

b) Providing food for pollinators

c) Protecting seeds

d) Enhancing flower color

Answer: b) Providing food for pollinators

Question: What is the primary purpose of cover crops in agriculture?

a) Weed control

b) Enhancing soil fertility

c) Attracting pollinators

d) Providing shade

Answer: b) Enhancing soil fertility

Question: Which of the following is an example of a perennial plant?

a) Tomato

b) Carrot

c) Rose

d) Lettuce

Answer: c) Rose

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

a) Transpiration

b) Decomposition

c) Germination

d) Photosynthesis

Answer: b) Decomposition

Question: What is the main purpose of the turgor pressure in plant cells?

a) Facilitates water transport

b) Supports photosynthesis

c) Provides structural support

d) Enhances seed germination

Answer: c) Provides structural support

Question: Which of the following is a method of preventing soil erosion?

a) Overgrazing

b) Deforestation

c) Contour plowing

d) Excessive irrigation

Answer: c) Contour plowing