Question 1I. Rattus rattus ll. Agarna agama III. Bufo regularis IV. Tilapia zilli. The order of evolutionarY vertebrates is A.IV, lll, ll, IB.ll,lll,IV,lC.I, lV, Ill,II IVD.I, ll, lll, lVObjective Show full explanation
Question 2Night-blindness results from a deficiency of A.vitamin EB.vitamin AC.vitamin KD.vitamin CObjective Show full explanation
Question 3The product of excretion common to the mammalian kidney, lung and skin is A.mineral saltB.carbon(IV) oxideC.waterD.ureaObjective Show full explanation
Question 4Which of the following is used mainly for balancing in fishA.The caudial finB.The pectoral finC.The anal finD.The dorsal finObjective Show full explanation
Question 5A unique characteristic of the cervical vertebrae is the presence of A.large centrumB.long transverse processesC.zygapophysisD.vertebrarterial canalObjective Show full explanation
Question 6Hassan and Hussain are identical twins but Hassan grows taller and fatter than Hussain. This is probably because A.Hassan inherits genes for tallness and fatness from the fatherB.They have dissimilar genotypesC.Hussain is endowed with genes for shortness and thinnessD.They are raised in different environmentsObjective Show full explanation
Question 7The following are greenhouse gases exceptA.Carbon dioxideB.chlorofluorocarbonC.methaneD.oxygenObjective Show full explanation
Question 8Excretion in paramecium sp. is by diffusion becauseA.Its habitat is water and moist placesB.it has simple small and few internal organsC.it has large surface area to volume ratioD.it has large efficient meganucleusObjective Show full explanation
Question 9Muscles are attached to bones by means ofA.TendonsB.ligamentsC.cartilageD.nervesObjective Show full explanation
Question 10Which of the following statements best describes haemoglobin?A.yellowish in colourB.a red blood cellC.an oxygen carrying pigmentD.needed for blood clottingObjective Show full explanation