26 27 28 ‘An organism has dry scales covering its body To which vertebrate group does it belong? A amphibian B fish © mammal D reptile Which characteristic of living organisms can involve ingestion, absorption and assimilation? A. excretion B growth © nutrition D respiration Which system is used for naming species? A. binomial B conservation © dichotomous D natural selection29 What is defined as the chemical reactions that break down food molecules in cells to release energy? A. excretion B_ movement ¢ nutrition D respiration 30 The diagram shows a section through a flower, petal Q Using the key, identify this flower. 1 sepals present goto2 sepals absent goto3 2 stamens attached to petals A stamens not attached to petals 3 stigma above anthers vog stigma below anthers... 31 Which process produces heat to maintain a person's body temperature? exeretion A B nutrition © reproduction D respiration32. Which shows an organism that has been named using the binomial system? A Bacterium B_ Flowering plant c HIV D_ Homo sapiens 33 The diagram shows a flowering plant. Use the key to identify the plant. plant flower has four petals, flower has five petals leaves with leaves with leaves with leaves with smooth edges jagged edges smooth edges jagged edges A B c D 34 Which process removes the waste products of metabolism from the body? A. excretion B nutrition © reproduction D_ respiration35. According to the binomial system, how should a human be named? ‘A Homo Sapiens B_ Homo sapiens © homo Sapiens D homo sapiens 36 Which leaf comes from a monocotyledonous plant? oN J Which are vertebrates? A WandX B XandY © YandZ D WandZ38. The diagram shows half a flower. ~N The following key may be used to identify the plant on which the flower is growing. 1 petals separate from Sepals onncnssnnnnnnnnne GOt02 petals and sepals joined .occcsnenennennnee plant P 2 flower with four stamens plant Q flower with more than four stamens goto 3 3 ovary as tall as wide plant R ovary taller than wide goto4 4 flower has two petals plant S flower has more than two petals plant T To which plant does the flower belong? A. plant P B plantQ © plantR D_ plant T39. The diagram shows some organisms living in water. animals decomposers — ‘Which process is carried out by all the living organisms shown? A. photosynthesis, B pollination © respiration D transpiration 40. The table lists some of the features of three groups of invertebrates — arthropods, annelids and molluscs. Which shows the correct features of each group? arthropods annetids molluscs A segmented body, segmented soft body, rarely | _unsegmented soft body, exoskeleton and jointed have legs have internal or external limbs shell B segmented body, segmented body, segmented soft body, rarely exoskeleton and jointed exoskeleton and jointed have legs limbs limbs © | _unsegmented soft body, have internal or external shell segmented soft body, rarely have legs unsegmented soft body, have internal or external shell D | segmented soft body, rarely have legs unsegmented soft body, have internal or external shell segmented body,41 What are characteristics of all organisms? 42 43, 44 A B c D egestion and excretion egestion and nutrition excretion and nutrition excretion and photosynthesis The table shows the classification of four vertebrate animals. animal 1 animal 2 animal 3 animal 4 phylum Chordata Chordata Chordata Chordata class Mammalia Mammalia Mammalia Mammalia order | Dermoptera | Dermoptera | Dermoptera | Dermoptera family Lemuridae Indridae Lemuridae Indridee genus Eulemur Propithecus Eulemur Avahi species fulvus diadema coronatus eniger Which two organisms are most closely related? A tand2 B tand3 © 2and3 D 2and4 Living animals release carbon dioxide. This is an example of which life process? A B c D excretion movement nutrition sensitivity Which of these features is used to classify organisms as flowering plants? A B c D roots with hairs seeds within fruits single-celled spores underground stems45 The diagram shows a leaf. Use the key to identify the leaf. 1 leaf with several small leaflets leaf with one large leaf blade. ............-seeeee 2. leaflets broad and flat leaflets narrow and hair-like ......... 3° leaf with smooth edge .... leaf with toothed edge... nn goto2 goto3 oo oD