GCSE BIOLOGY - ORGANIZATION EXAM REVISION QUESTIONS
WITH VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Cells - ANSWER- The basic building blocks of living things
Tissues - ANSWER- A group of cells with similar structure and function
Organs - ANSWER- Groups of tissues performing particular functions
Lock and key - ANSWER- Theory as to how enzymes work
Digestion breaks down - ANSWER- Large insoluble molecules into smaller soluble ones
Active site - ANSWER- The part of an enzyme the substrate binds to
Denatured - ANSWER- When an active site is altered by temperature or pH
Amylase (carbohydrase) - ANSWER- Breaks down starch into glucose
Protease enzymes - ANSWER- Break down protein into amino acids
Lipase - ANSWER- Break down fats into fatty acids and glycerol
Bile is made in - ANSWER- Liver and stored in the gall bladder
Hydrochloric acid - ANSWER- Released in stomach to create optimum pH for protease
, The role of bile is to - ANSWER- Neutralise stomach and acid and emulsify fats
Salivary glands - ANSWER- Releases amylase
Stomach - ANSWER- Releases protease
Pancreas and small intestine - ANSWER- Release amylase, lipase and protease
Small intestine - ANSWER- Where digested food is absorbed
Large intestine - ANSWER- Where water is absorbed
Villi - ANSWER- Increase absorption surface of small intestine
Benedicts test - ANSWER- Tests for glucose (blue to red)
Biuret test - ANSWER- Tests for protein ( blue to purple)
Iodine - ANSWER- Tests for starch ( orange to blue/black)
Right ventricle - ANSWER- Pumps blood to the lungs
Left ventricle - ANSWER- Pumps blood to the body
Pulmonary artery - ANSWER- Carries blood from heart to lungs
WITH VERIFIED SOLUTIONS LATEST 2025 UPDATE.
Cells - ANSWER- The basic building blocks of living things
Tissues - ANSWER- A group of cells with similar structure and function
Organs - ANSWER- Groups of tissues performing particular functions
Lock and key - ANSWER- Theory as to how enzymes work
Digestion breaks down - ANSWER- Large insoluble molecules into smaller soluble ones
Active site - ANSWER- The part of an enzyme the substrate binds to
Denatured - ANSWER- When an active site is altered by temperature or pH
Amylase (carbohydrase) - ANSWER- Breaks down starch into glucose
Protease enzymes - ANSWER- Break down protein into amino acids
Lipase - ANSWER- Break down fats into fatty acids and glycerol
Bile is made in - ANSWER- Liver and stored in the gall bladder
Hydrochloric acid - ANSWER- Released in stomach to create optimum pH for protease
, The role of bile is to - ANSWER- Neutralise stomach and acid and emulsify fats
Salivary glands - ANSWER- Releases amylase
Stomach - ANSWER- Releases protease
Pancreas and small intestine - ANSWER- Release amylase, lipase and protease
Small intestine - ANSWER- Where digested food is absorbed
Large intestine - ANSWER- Where water is absorbed
Villi - ANSWER- Increase absorption surface of small intestine
Benedicts test - ANSWER- Tests for glucose (blue to red)
Biuret test - ANSWER- Tests for protein ( blue to purple)
Iodine - ANSWER- Tests for starch ( orange to blue/black)
Right ventricle - ANSWER- Pumps blood to the lungs
Left ventricle - ANSWER- Pumps blood to the body
Pulmonary artery - ANSWER- Carries blood from heart to lungs
