1. Leaving Certificate Biology Biology General Knowledge 3 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. The bronchi branch repeatedly and finally end in thin-walled air sacs called … Air vacuolesAlveoli BronchiolesCapillaries

3. Which of the following is not part of the skin structure? Malpighian layerGlomerulus FatDermis

4. Which of the following structures is found in Rhizopus? PhloemFood vacuole OperculumZygospore

5. Which of the following gases enter or leave the leaf as a result of metabolic processes? 1 – Carbon dioxide; 2 – Water vapour; 3 – Nitrogen gas; 4 – Oxygen gas. 1 & 42 & 3 1 & 33 & 4

6. Which of the following structures is associated with osmoregulation in a mammal? LiverMuscles Contractile vacuoleNephron

7. Nerve cells or neurons that bring messages to muscles are called … Afferent neuronsMotor neurons InterneuronsSensory neurons

8. The small opening through which a pollen tube can gain access to the embryo sac to deliver its nuclei and effect fertilisation and through which water enters seeds is called the.. MicropyleStoma RadicleTesta

9. A solution with the same solute concentration as another solution is known as what type of solution? HypotonicIsotonic IsotopicHypertonic

10. Which function of the skin is carried out by fat stored in the lower part of the dermis? ExcretionProtection InsulationPerception

11. A term for all offspring produced by asexual reproduction or an identical copy produced by recombinant DNA technology is a … GenomeCodon CloneProgeny

12. What term is given to any substance or agent capable of causing or bringing about a mutation? RadiationMutagen MutationFormaldehyde

13. Which of the following blood vessels has lost a lot of its oxygen, urea and some water? Hepatic veinRenal vein Pulmonary veinHepatic portal vein

14. Name a fluid in which fats, in suspension, are carried in vessels which bypass the liver. Intracellular fluidPlasma LymphDigestive juices

15. Serum is best described as … Blood without white cells Plasma with fibrinogen Blood without red cells Plasma without fibrinogen

16. The making of a protein from a mRNA by changing the genetic information it contains to a sequence of amino acids, describes what process? TranscriptionTranslation TranslocationTransformation

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