IGCSE · Cambridge 0610

Biology 0610

5,925 practice questions with worked solutions, organised by topic and past-paper session. Practise any question and get your answer marked instantly.

Practise by topic

Characteristics and classification of living organisms Characteristics of living organisms Concept and uses of classification systems Features of organisms Organisation of the organism Cell structure Size of specimens Movement into and out of cells Diffusion Osmosis Active transport Biological molecules Biological molecules Enzymes Enzymes Plant nutrition Photosynthesis Leaf structure Human nutrition Diet Digestive system Physical digestion Chemical digestion Absorption Transport in plants Xylem and phloem Water uptake Transpiration Translocation Transport in animals Circulatory systems Heart Blood vessels Blood Diseases and immunity Diseases and immunity Gas exchange in humans Gas exchange in humans Respiration Respiration Aerobic respiration Anaerobic respiration Excretion in humans Excretion in humans Coordination and response Coordination and response Sense organs Hormones Homeostasis Tropic responses Drugs Drugs Reproduction Asexual reproduction Sexual reproduction Sexual reproduction in plants Sexual reproduction in humans Sex hormones in humans Sexually transmitted infections Inheritance Chromosomes, genes and proteins Mitosis Meiosis Monohybrid inheritance Variation and selection Variation Adaptive features Selection Organisms and their environment Energy flow Food chains and food webs Nutrient cycles Populations Human influences on ecosystems Food supply Habitat destruction Pollution Conservation Biotechnology and genetic modification Biotechnology and genetic modification Biotechnology Genetic modification

By past paper

Feb/March 2017 Feb/March 2016

Example questions

This equation represents a chemical reaction taking place inside living organisms. $\text{glucose} + \text{oxygen} \rightarrow \text{carbon dioxide} + \text{water}$ Which characteristic of living organisms is linked to this equation?

Aerobic respiration · Feb/March 2016

The table gives the conditions in four test-tubes, each containing equal amounts of starch and salivary amylase. In which test-tube is the starch broken down most quickly?

Enzymes · Feb/March 2016

Plants produce their own carbohydrate supplies. Which raw materials are used in this process, and what waste product is formed?

Photosynthesis · Feb/March 2016

A plant with variegated leaves is kept in a dark cupboard for 48 hours so that starch is removed from its leaves. Next, black paper is attached to one leaf, as shown, and the plant is then put in light. After 24 hours, which region of the leaf will contain starch?

Photosynthesis · Feb/March 2016

The diagram illustrates part of the alimentary canal and the related organs. Which structures release enzymes that break down proteins?

Chemical digestion · Feb/March 2016

The graph illustrates how pH in the mouth changes after food has been eaten. Why is it sensible to brush your teeth after eating?

Digestive system · Feb/March 2016

The diagram illustrates a section of a protein molecule. What does X represent?

Biological molecules · Feb/March 2016

Through which process does a leaf lose water?

Transpiration · Feb/March 2016

The bottom part of a plant stem is put into water that has been coloured with red dye. After three hours, the stem is cut as shown in the diagram. Which labelled region is stained red?

Xylem and phloem · Feb/March 2016

The diagram shows a cross-section of the heart. Which part pumps blood into the aorta?

Heart · Feb/March 2016