Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.
Which of the following pairs of structures does not perform similar functions?
ALungs and spiracles
BRoot hair and mammalian hair
CFeathers and scales
DContractile vacuole and kidney
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Question 662
waec2001
Which of the following is not a product of fermentation of glucose?
AEnergy
BAlcohol
CLactic acid
DCarbon dioxide
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Question 663
waec2001
Which part of the gill of fish is involved in gaseous exchange?
AGill slits
BGill bars
CGill covers
DGill filaments
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Question 664
waec2001
The process by which plants convey food material to different parts of the body is called
Anutrition
Babsorption
Ccirculation
Dtranslocation
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Question 665
waec2001
Which of the following is not a constituent of blood plasma?
AProteins
BMineral salts
CWater
DPlatelets
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Question 666
waec2001
Which of the following statements is true about blood groupings?
AGroup AB can donate blood to all other groups
BGroup 0 are universal recipients.
CGroup A has A antigen in its plasma
DGroup O has no antigen.
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Question 667
waec2001
Which of the following groups contains a non-supporting structure in animals?
ACartilage, bone and pseudopodia
BPellicle, chitin and bone
CHumerus, ribs and cartilage
DFemur, pellicle and chitin
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Question 668
waec2001
The advantages of sexual reproduction include the following except
At allows the formation of new species
Bit allows production of desirable traits
Cit permits variation of individuals
Dit provides means for the variation of chromosome number from generation to generation.
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Question 669
waec2001
Display is a phenomenon which occurs when an animal is
Aready for mating
Bfighting to defend itself
Capproaching puberty
Dchasing away an intruder
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Question 670
waec2001
Which bf the following structures are visible in the cell of a plant during mitosis?
ACentrioles, chromatids and nucleolus
BHomologous chromosomes, nuclear membrane and spindle fibres
Ccell wall, centrioles and chromatids
DChromosomes, nuclear membrane and centromere
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Question 671
waec2001
A red blood cell haemolyses when placed in a hypotonic solution because
Ait contains haemoglobin
Bthe cytoplasm is less dense
Cthe cell lacks a wall
Dits pigment has a high affinity for water
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Question 672
waec2001
Which of the following phenomena affects plants growth in an alkaline soil?
AExcessive plasmolysis
BExcessive transpiration
CExcessive sunlight
DPoor drainage
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Question 673
waec2001
A major reason why the red blood cells can survive in the blood is that the
Ablood plasma and the red blood cells are isotonic
Bred blood cells are hypotonic to the plasma
Cthe red blood cells are hypertonic to the blood plasma
Dthe red blood cells receive digested nutrients
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Question 674
waec2001
A piece of yam weighing 1.0 gm was put into some salt solution. After 3 hours, it was removed and weighed.
The recorded weight was 1.2gms. This simple experiment demonstrates that the
Asalt solution is more concentrated than the cell sap of the yam.
Bcell sap of the yam is more concentrated than the salt - solution
Csalt solution has the same concentration as the cell sap of the yam.
Dthe yam lost some water molecules to the salt solution.
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Question 675
waec2001
Carbohydrates are stored in the animal cell in the form of
Astarch
Bglycogen
Cplastid
Dmaltose
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Question 676
waec2001
The major function of the cell membrane is that it
Adelimits the cytoplasm
Bsynthesizes protein
Cbreaks down worn-out organelles
Dis the site for photosynthesis
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Question 677
waec2001
The structure labelled V is the
Acell wall
Bnucleus
Cendoplasmic reticulum
Dmitochondrion
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Question 678
waec2001
The structure that produces ATP is labelled
AVII
BV
CVI
DI
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Question 679
waec2001
Which of the following is a tissue?
AVolvox
BChlamydomonas
CEpidermis
DParamecium
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Question 680
waec2001
Which of the following indicates that Euglena is plant?
