2023 JAMB BIOLOGY PAST QUESTIONS AND ANSWERS Leave a Comment / Jamb Biology / By Jamb Tutor Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% 0 votes, 0 avg Created by Jamb TutorJamb Biology 2023 JAMB BIOLOGY PAST QUESTIONS AND ANSWERS 1 / 40 Category: Jamb Biology 2023 1. The difference between the cell wall of a plant cell and animal cell is that a) plant cell wall contains silica b) animal cell contains stomata in its membrane c) plant cell is made up of membranes only d) plant cell wall contains cellulose Tests understanding of cellular structures, specifically cell walls. 2 / 40 Category: Jamb Biology 2023 2. In mammals, digestion of starch starts in the a) stomach b) small intestine c) mouth d) liver Assesses knowledge of the digestive process in mammals. 3 / 40 Category: Jamb Biology 2023 3. In the process of pollination of a flowering plant, the pollen grain must touch this structure to start off. a) petals b) calyx c) ovary d) stigma Evaluates knowledge of reproductive structures in flowering plants. 4 / 40 Category: Jamb Biology 2023 4. All birds have a) two-chambered heart b) three-chambered heart c) four-chambered heart d) one-chambered heart Tests understanding of avian physiology. 5 / 40 Category: Jamb Biology 2023 5. The list of important types of supporting tissues in plant does not include a) collenchyma b) cambium c) sclerenchyma d) xylem Identifies types of plant supporting tissues. 6 / 40 Category: Jamb Biology 2023 6. Bones of birds are modified for flight by a) being long b) being cartilaginous c) containing air spaces d) being filled with marrow Assesses knowledge of avian skeletal adaptations. 7 / 40 Category: Jamb Biology 2023 7. The waste product of plant like glycosides, tannins, alkaloids and plant oils may be stored in the a) xylem b) cell vacuoles and cell wall of leaves c) roots, stem tissues and bark d) pith, stomata and root hairs Evaluates knowledge of plant storage systems. 8 / 40 Category: Jamb Biology 2023 8. The part of the alimentary system of bird where grinding of maize occurs is a) crop b) gizzard c) cloak d) rectum Tests understanding of bird anatomy related to digestion. 9 / 40 Category: Jamb Biology 2023 9. To study the structure of mammalian kidney in a secondary school you need a) fresh kidney of a sheep or a pig b) fresh kidney of a man c) fresh kidney of a chick d) fresh kidney of a toad Evaluates knowledge of suitable specimens for study in biology. 10 / 40 Category: Jamb Biology 2023 10. The following are some examples of food chain in the savanna terrestrial ecosystem except a) seeds→weaverbird→civets b) leaves→elephant→vulture c) grass→zebra→lion d) diatoms→crayfish→bony fish Assesses understanding of ecological food chains. 11 / 40 Category: Jamb Biology 2023 11. The mitochondrion consists of a) chemicals that break up complex compounds in the cells into simpler compounds b) rich store of ribonucleic acid c) digestive enzymes and hormones d) protein phosphorus and fats Tests knowledge of mitochondrial structure and function. 12 / 40 Category: Jamb Biology 2023 12. In amoeba, the ectoplasm is bounded by a thin membrane known as the a) plasmasol b) plasmagel c) plasmalemma d) protoplasm Evaluates understanding of amoebic structure. 13 / 40 Category: Jamb Biology 2023 13. Centipedes are a) equally dangerous as millipedes b) less dangerous than millipedes c) more dangerous than all d) not dangerous at all Assesses knowledge of the behavior and danger levels of different arthropods. 14 / 40 Category: Jamb Biology 2023 14. Odontophore is a skeletal structure in the phylum of a) pisces b) echinoderms c) mollusca d) amphibians Tests knowledge of specific anatomical features in different phyla. 15 / 40 Category: Jamb Biology 2023 15. Wattle is a name of a structure found in a) lizard b) chameleon c) cock d) dogfish Evaluates understanding of anatomical structures in various species. 16 / 40 Category: Jamb Biology 2023 16. One of these is not a feature of the caudal vertebrae in mammal a) they possess neural canal b) their transverse processes are poorly developed c) their neural spines are gradually lost d) there are not many articular surfaces Tests knowledge of vertebral anatomy. 17 / 40 Category: Jamb Biology 2023 17. The inner ear has two types of coiled structure called cochlea which a) receives sound impulses b) has sensory cell which carry impulses to the spinal cord c) connects to the eusta chain tube d) possess cells sensitive to balance Assesses knowledge of inner ear anatomy and function. 18 / 40 Category: Jamb Biology 2023 18. The viruses are the smallest known organisms and are divided into two parts; the outer part and the inner part. The outer part is protein and the inner part is a) nucleus b) vacuole c) particle d) DNA and RNA Evaluates understanding of viral structure. 19 / 40 Category: Jamb Biology 2023 19. The thallus of a lichen consists of a) a virus and a fungus b) algae cells and fungal hyphae c) bacterial and fungal cells d) soredium and basisiopot Tests knowledge of lichen structure. 20 / 40 Category: Jamb Biology 2023 20. The palisade parenchyma is found in a) steam b) leaf c) flower d) root Assesses knowledge of plant tissue types. 21 / 40 Category: Jamb Biology 2023 21. Increasing complexity due to multicellularity first appeared in this animal group a) protozoa b) coelentrata c) sarcodina d) protista Evaluates understanding of evolutionary biology and multicellularity. 22 / 40 Category: Jamb Biology 2023 22. In the angiosperms, the sieve tube members are living non-nucleated, but they are usually accompanied by a) cork cambium b) phloem rays c) vascular cambium d) companion cells Tests knowledge of plant vascular systems. 23 / 40 Category: Jamb Biology 2023 23. Abscisic acid is a chemical that prepares plants for a) ripening fruits b) emergence of seedlings c) for leaf fall d) reproduction Assesses knowledge of plant hormones and their effects. 24 / 40 Category: Jamb Biology 2023 24. The formula below represents a) glycolysis b) fermentation c) photosynthesis d) respiration Tests understanding of biochemical processes. 25 / 40 Category: Jamb Biology 2023 25. In any population, any specific allele will mutate at one time or another, usually to a non-functional or harmful form. The proportion of gametes carrying new mutant alleles of a given locus is called a) the mutation rate b) the selection coefficient c) the relative fitness d) the lethal genotype Evaluates understanding of population genetics. 26 / 40 Category: Jamb Biology 2023 26. In mosses, the sporophyte generation is highly prominent producing spores in a cone-like a) gametophyte b) strobilus c) Antheridium d) archegonium Tests understanding of moss reproduction. 27 / 40 Category: Jamb Biology 2023 27. When Sudan 111 solution is boiled with a solution of food substances, it gives a color black precipitate showing the presence of a) fats and oil b) protein c) amino acid d) starch Assesses knowledge of food tests. 28 / 40 Category: Jamb Biology 2023 28. Plants adapted to life in salty marsh are known as a) hydrophytes b) xerophytes c) halophytes d) epiphytes Evaluates understanding of plant adaptations. 29 / 40 Category: Jamb Biology 2023 29. A circulatory system that does not allow mixing of oxygenated blood in the mammalian heart is referred to as a) open b) double c) single d) closed Tests knowledge of circulatory systems in mammals. 30 / 40 Category: Jamb Biology 2023 30. In a pyramid of numbers, it is common to have …… with the smallest of individuals a) secondary consumers b) tertiary consumers c) primary consumers d) primary producers Assesses understanding of ecological pyramids. 31 / 40 Category: Jamb Biology 2023 31. From the following list of types of mutation, identify the one that is hereditary a) genetic mutation b) somatic mutation c) germinal mutation d) gametic mutation Tests knowledge of genetic mutations. 32 / 40 Category: Jamb Biology 2023 32. Which of these would not be a limiting factor in photosynthesis? a) O2 b) CO2 c) chlorophyll d) light Evaluates understanding of photosynthesis. 33 / 40 Category: Jamb Biology 2023 33. In a cell digestive enzymes mostly occur in a) ribosome b) lysosome c) mitochondria d) plastids Assesses knowledge of cellular organelles. 34 / 40 Category: Jamb Biology 2023 34. Which of these is not a lipid? a) wax b) sterol c) glycerol d) lecithin Tests understanding of lipid structures. 35 / 40 Category: Jamb Biology 2023 35. Phototropism is a) a unilateral response to light b) a bilateral response to light c) both unilateral and bilateral response to light d) a hormonal gradient created within the organ Evaluates understanding of plant responses to light. 36 / 40 Category: Jamb Biology 2023 36. The site of protein synthesis in a cell is a) golgi apparatus b) ribosomes c) lysosomes d) nucleus Tests knowledge of cellular processes. 37 / 40 Category: Jamb Biology 2023 37. On storage, the sweetness of corn is lost. This is because a) polysaccharide is reconverted into soluble sugar b) concentration of sugar increases due to storage c) of conversion of sugar to polysaccharide d) enzymes responsible for the conversion are lost Evaluates understanding of carbohydrate metabolism. 38 / 40 Category: Jamb Biology 2023 38. The eye worm is known as a) Wuchereiria bancrofti b) Brugia malayi c) Loa loa d) Dracunenlus medinensis Assesses knowledge of parasitic organisms. 39 / 40 Category: Jamb Biology 2023 39. Which of these plants is not a pitcher plant? a) nepenthes b) crotalaria c) sarracenia d) dionaea Tests knowledge of carnivorous plants. 40 / 40 Category: Jamb Biology 2023 40. One of these arthropods is a carrier of viruses and other microorganisms a) termite b) ant c) bee d) flea Evaluates understanding of disease vectors. Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Anonymous feedback Send feedback
