Biology Past Questions

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2,099 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

2,099 questions
Question 1 of 20 2,099 total questions
Question 1021
waec 1989

Which of the following is not true of the nucleus of a living cell? It contains

Achromosome
BNucleolus
Cnucleoplasm
Dchromatids
Eribosomes
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Question 1022
waec 1989
Which of the following organelles is used for locomotion in Paramecium?
Apseudopodium
BTrchocyst
CCilium
Dpellicle
EContractile vacuole
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Question 1023
waec 1989

Below is a list of the levels of organization in organisms. i. Tissue  ii. System iii.Cell iv. Organ

The correct sequence of the levels in an increasing order of complexity is

AI,II,III
BIII, I, IV, II
Clll, IV, l, ll
DlV, lll, I, ll
EIV, l, ll, lll
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Question 1024
waec 1989

The part labelled II is made up of

Acarbohydrates
Bcontractile vacuole
Cwaste materials
Dprotein materials
Efood particles
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Question 1025
waec 1989

Excretion is carried out through the structure labelled

AI
BIII
CIV
DV
EVI
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Question 1026
waec 1989
Which of the following structures is responsible for osmoregulation?
AI
BII
CIII
DIV
EV
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Question 1027
waec 1988

Which of the following has the most primitive respiratory system?

ARat
BFish
CToad
DGrasshopper
ELizard
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Question 1028
waec 1988
The rate of transportation will be highest In
AI
BII
CIII
DIV
EV
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Question 1029
waec 1988
The plants best adapted for life in the desert are
AI and IV only
BII and IV only
CIll and IV only
DlV and V only
EI Il Ill and V
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Question 1030
waec 1988
Which of the following is not true about gene mutation? It
Aintroduces new traits into a population
Bcauses changes in the DNA
Cmay have unnoticeable effect on the phenotype
Dalways affects the chromosome number
Eis a source of new genes
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Question 1031
waec 1988
Species can be defined as the group of organisms that
Aresemble each other and live in the same habitat
Bare of common origin and are always found together
Cresemble each other and can interbreed freely
Dresemble each other and occupy the same niche
Eare of common origin but cannot interbreed freely
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Question 1032
waec 1988
The change in colour of the chameleon serves as a means of
Aattraction to the opposite sex
Brepulsion of the enemy
Ca camouflage from a predator
Dregulation of body temperature
E. production of a variety of skin pigments
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Question 1033
waec 1988
When large numbers of organisms share limited space and resources the result is
Aimmigration
Bcommensalism
Csymbiosis
Dextinction
Ecompetition
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Question 1034
waec 1988
Increasing specialization of structure and function among animals of the same class and order for survival in new and different environments is called
Aadaptive radiation
Bphylogeny
Chomology
Danalogy
Eontogeny
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Question 1035
waec 1988

A man with blood group A (TAP) married a woman with blood group O (pp). Which of the following is the
probable ratio of the blood groups of the offspring?

A1:1
B3:1
C2:1:1
D1:2:1
E4:1
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Question 1036
waec 1988
If a cross is made between a pure-breeding red flowered plant and a pure-breeding white flowered plant
where R is dominant for red flower and r is recessive for white, the most likely result of F generation will be
A75% red flowers and 25% white flowers
Ball red flowers
C75% white flowers and 25% red flowers
D50% red flowers and 50% white flowers
Eall white flowers
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Question 1037
waec 1988
The haploid number of chromosomes in man is
A48
B46
C42
D24
E23
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Question 1038
waec 1988
Which of the following best describes the homologous chromosomes? They are
Aa product of the division of a chromosome
Btwo identical chromosomes from each parent
Cchromosomes arranged on spindle fibres during cell division
Ddaughter chromatides formed during meiotic division
Echromosomes during telophase of mitotic division
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Question 1039
waec 1988
Which of the following is not a constituent of DNA?
APurine
BPhosphate
CCystocine
DDeoxyribose
EUracil.
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Question 1040
waec 1988
Assuming that ‘A’ is gene for normal skin and it is dominant, while ‘a’ is gene for albinism and it is recessive,
what is the likely genotype of a couple which had 50% normal and 50% albinos?
AAA,Aa
BAA,aa
CAa, Aa
DAa, aa
EAA,AA
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