Biology form 1

Which of the following is not a passive transport

• Osmosis

• Diffusion

• Active transport

In active transport the movement of molecules occurs

• Down the concentration gradient

• Against a concentration gradient

• Through protein channels

• Without the use of energy

In which scenario would you expect the fastest rate of osmosis to occur

• A hypotonic solution surrounding the cell

• A hypertonic solution surrounding the cell

• An isotonic solution surrounding the cell

• A solution with no solutes surrounding the cell

Which of the following is not a factor affecting the rate of diffusion

• Osmotic pressure

• Temperature

• Surface area

• Particle size

Which of the following is not a macronutrient required by plants for growth and development

• Nitrogen

• Phosphorus

• Iron

• Potassium

Which part of a plant absorbs water and minerals from the soil

• Leaves

• Stem

• Roots

• Flowers

Which of the following is not a factor affecting the rate of photosynthesis

• Light intensity

• Carbon iv oxide concentration

• Temperature

• Soil pH

What is the primary role of stomata in plant leaves

• Absorption of carbon dioxide

• Releasing oxygen

• Regulating water loss

• Synthesizing glucose