Question 1 of 20 351 total questions
The gradient of land can be measured with an instrument called a/an
A Aneroid barometer
B Hygrometer
C Metre rule
D Secchi disc
E Slope gauge
Which pollutant is likely to cause cholera?
A agricultural wastes
B industrial wastes
C nuclear fallouts
D oil spillages
E untreated sewage
Which is NOT an effect of the food shortage on a population?
A Cannibalism
B Competition
C Increase in mortality
D Increase in natality
E migration
Which is the most ecologically viable method of insect pest control?
A Draining all stagnant pools of water
B Eliminating one of the development stages of the insect
C Employing a lot of labourers to physically handpick the insect pests
D Erecting physical barriers against insect pests
E Using stronger insecticides which can kill a greater number of insect.
Bacteria; which derive energy by oxidizing certain inorganic compounds, are said to be
A Chemosynthetic
B Holozoic
C Parasitic
D Photosynthetic
E Saprophytic
Which part of the brain regulates and co-ordinates muscular movements?
A Cerebellum
B Cerebrum
C Hypothalamus
D Medulla oblongata
E ThaIamus
The cell organelle, from which spindle fibers originate during cell division in animal cells is known as
A Centrosome
B Chromosome
C Leucoplast
D Lysosome
E Ribosome
The blood vessel that supplies blood rich in digested food to the liver is the
A Hepatic artery
B Hepatic portal artery
C Hepatic portal vein
D Hepatic vein
E Renal artery
Which of these allelic pairs represent homozygous dominant trait?
Which of the following statements is NOT true according to the first and second laws of thermodynamics ?
A In all energy conversions a certain amount is always lost as heat
B In any given ecosystem the energy transformations can be classified into catabolic and anabolic processes
C The energy at one trophic level is the same as the next higher or the one below it
D The sun is the ultimate source of energy in the universe
E The total energy in an ecosystem retains constant
Which organisms are NOT autotrophic?
A algae
B Ferns
C fungi
D grasses
E mosses
The genetic composition of an organism is termed
A an allele
B a cross
C a genotype
D a phenotype
E a hybrid
Use the information to answer this question.
A I
B II
C I ,II ,and V
D II ,III, and V
E IV
Which ONE is not an adaptation for water conservation in plant found is arid region?
A absence of leaves
B leaves reduced to spines
C raised stomata
D sunken stomata
E thick stems
Which of these is NOT a method of asexual reproduction?
A budding
B fission
C fusion
D fragmentation
E layering
Which of these agencies do not have anything to do with conservation of natural resources?
A Family Economics Advancement Programme
B Federal Environmental Protection Agency
C Nigerian Conservation Foundation
D Nigerian Game Reserve Authorities
E World Wildlife Fund for Nature
Which of these organisms is most likely to have the least number if found within the same habitat?
A grasshopper
B hawk
C lizard
D snake
E toad
An example of sex-linked trait is
A ability to roll the tongue
B ability to taste PTC
C baldness
D blindness
E blood group
Which of these is NOT an excretory organ/organelle?
A flame cell
B kidney
C malpighian tubule
D nephridium
E spiracle
When both alleles in a heterozygous individual are fully expressed in the phenotype of the F, generation this phenomenon is described as
A co-dominance
B dominance
C incomplete dominance
D mutation
E recession
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