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A. a cell wall and cytoplasm
B. a vacuole and a nucleus
C. non-cell membrane and chloroplast
D. a cell wall and chloroplast.
C. Cell wall
A. definite cell wall
B. large vacuoles
A. Long intestine and tail
B. Diaphragm and lungs
C. Milk and sweat production
D. Fur and whiskers.
A. Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
B. Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
C. Alimentary canal, Neurone, Muscle, Heart, Rabbit, Mitochondrion
D. Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle.
C. Adequate soil water
D. Excessive transpiration.
A. liberation of energy from food
B. release of faeces from the body
C. breakdown offobd molecules
D. removal of the waste products of metabolism.
A. I, 11, III and IV
B. II, I, III and IV
C. Ill, 11, I and IV
D. IV, I, 11 and III.
A. determining the fresh and dry weights ofthe plant
B. counting the number of fruits produced
C. measuring the increase in height of the shoot
D. measuring the length and breadth of a leaf.
C. Blood plasma
D. Synovial fluid.
A. large and the thickness is also large
B. small while the thickness is large
C. large while the thickness is small
D. the same as its thickness.
A. engulf invading bacteria
B. aid in protein formation
C. transport oxygen to the cells
D. control blood glucose level.
A. Rib cage is raised up
B. Diaphragm contracts and becomes dome shaped
C. Inter-coastal muscle contracts
D. Volume of the thoracic cavity increases.
A. from the catalytic splitting of carbon-dioxide in plant tissues
B. from the breakdown of glucose molecules in cells
C. during the photolysis of water using energy trapped in chlorophyll
D. by the excretion of excess oxygen in plant tissues.
A. controls the fluid content of the body
B. is used in protein metabolism
C. plays a role in the pH balance ofthe body fluids
D. prepares the body for action.
A. The spleen
B. The kidney
C. Large intestine
D. Small intestine.
A. Oestrogen and adrenalin
B. Progesterone and testosterone
C. Testosterone and oestrogen
D. Adrenalin and progesterone.
A. semi-circular carnals
C. auditory nerve
D. fenestra ovalis.
C. Guinea grass
A. the pollen grows downwards penetrating the style
B. a pollen grain is transferred to the stigma
C. one ofthe nuclei inside the pollen tube fuses with the ovum
D. the nucleus of the pollen tube divides.
A. groundnut seeds
B. underground root nuts
C. root tubers
D. root nodules.
A. storage of plant nutrients
B. organic acids
C. nitrogen-fixing bacteria
D. putrefying microbes.
B. night blindness
A. Blue→black → blue → brown → clear
B. Brown → blue → brick red →clear
C. Brown → violet → blue →clear
D. Brown → blue → violet → milky.
A. the properties of a habitat
B. interrelationship between organisms and their environment
C. several species of plants and animals
D. interrelationship between plants and animals.
A. control soil erosion
B. maintain the fertility of the soil
C. improve the nutritional value of crops
D. ensure growth of cash crops.
A. Use of ladybird insects to feed on aphids
B. Introduction of bacterium to kill larvae of butterfly
C. Introduction of Tilapia fish in ponds to feed on mosquito larvae
D. Spraying insecticides to destroy cotton stainers in a cotton-field.
A. counteract the effect of gravity
B. lift the bird so that it can remain airborne
C. enable the pectoral muscles to contract easily
D. change the direction of the flying bird.
A. mangrove swamp
B. coastal savanna
C. guinea savanna
D. shrub biome.
A. spread of disease
B. number of deaths
C. number of predators
D. amount offood available.
A. sleeping under mosquito nets
B. providing clean water supply
C. taking anti-malaria tablets
D. vaccinating young children.
A. they are capable of multiplying quickly
B. they are eaten by large organisms
C. they break down dead organic materials
D. many of them are parasites.
A. the faecal remains of the cattle are made available to the farmer
B. the farmer makes available fresh green vegetables for consumption by the cattle daily
C. the farmer provides shelter for the cattle and the cattle rearer
D. the cattle rearer makes available meat to the farmer daily.
A. enacting laws to encourage poaching
B. discouraging elimination of endangered species
C. encouraging creation of satellite hunting unit
D. suppressing the activities of wildlife conservation agencies.
A. Consistent for a lifetime
B. May be exactly the same for two individuals
C. Prominent only at puberty
D. Correlate with the individual blood group.
A. they are found in large numbers in most habitats
B. they are harmful to their natural habitats
C. their populations have become so small that they may soon die out
D. they should be killed or only kept in cages.
B. Rh factor
D. Down's syndrome.
A. Siblings may not belong to the same blood group
B. There are four possible blood groups
C. People with blood group
D. People with blood group O are universal recipients.
B. Blood groups
A. two homologous chromosomes
B. a dominant gene for maleness present in a male
C. two similar sex chromosomes in the male and dissimilar in the female
D. the differences in the nature of the X and Y chromosomes in the male.
A. a few sunken stomata on the lower epidermis only
B. long leaf tendrils
C. leaves with serrated edges
D. strong tap root.
D. cotton stainer.
B. Comparative anatomy
C. Comparative embryology
D. Fossil record.
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