Biology Past Questions

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 1561
jamb 2001

The part labelled IV is the

Aalbumen
Bgerminal disc
Cyolk
Dair space
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Question 1562
jamb 2001

The structure that holds the yolk in position is labelled

AII
BI
CIV
DIII
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Question 1563
jamb 2001

Urea formation occurs in the

Aheart
Bliver
Clung
Dkidney
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Question 1564
jamb 2001

The center for learning and memory in the human brain is the

Amedulla oblongata
Bcerebellum
Ccerebrum
Dolfactory lobe
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Question 1565
jamb 2001

Which of the following organisms does not exist as a single free living cell?

AParamecium
BMold
CAmoeba
DChlamydomonas
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Question 1566
jamb 2001

The mode of feeding in Amoeba and Hydra is

Aheterotrophic
Bholophytic
Cautotrophic
Dsymbiotic
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Question 1567
jamb 2001

Water fleas, wood lice and barnacles belong to the group?

Aarachnida
Bcrustacea
Cinsecta
Dchilopoda
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Question 1568
jamb 2001

Most monocots are easily recognized by their

Ashort leaves with petioles
Blong and sword-like leaves
Clong and palm like leaves
Dshort with veinlets
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Question 1569
jamb 2001

Which of following groups is the most advanced?

APteridophytes
BBryophytes
CThallophytes
DGymnosperm
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Question 1570
jamb 2001

The jointed structure in insects that bears organs which are sensitive to touch, smell and vibration is the

Amaxilla
Blabium
Cantenna
Dabdomen
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Question 1571
jamb 2001

Viviparity occurs mainly in the

Amammals
Breptiles
Caves
Damphibians
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Question 1572
jamb 2001

Amphibians are normally found

Aon dry land and water
Bin water and on moist land
Con moist land
Din water
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Question 1573
jamb 2001

An association between the root nodule of a leguminous plant and rhizobium sp, is known as

Acommmensalism
Bmycorrhiza
Cparastism
Dsymbiosis
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Question 1574
neco 2000
Which of these allelic pairs represent homozygous dominant trait?
ATT
BTt
Ctt
DBb
Ebb
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Question 1575
neco 2000
Which of the following statements is NOT true according to the first and second laws of thermodynamics ?
AIn all energy conversions a certain amount is always lost as heat
BIn any given ecosystem the energy transformations can be classified into catabolic and anabolic processes
CThe energy at one trophic level is the same as the next higher or the one below it
DThe sun is the ultimate source of energy in the universe
EThe total energy in an ecosystem retains constant
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Question 1576
neco 2000
Which organisms are NOT autotrophic?
Aalgae
BFerns
Cfungi
Dgrasses
Emosses
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Question 1577
neco 2000
The genetic composition of an organism is termed
Aan allele
Ba cross
Ca genotype
Da phenotype
Ea hybrid
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Question 1578
neco 2000
Use the information to answer this question.

I. Smoking
II. Sun drying
III. Freezing
IV. Canning
V. Salting
VI. Pasteurization

A method of food preservation that works on the principle of dehydration is
AI
BII
CI ,II ,and V
DII ,III, and V
EIV
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Question 1579
neco 2000
Which ONE is not an adaptation for water conservation in plant found is arid region?
Aabsence of leaves
Bleaves reduced to spines
Craised stomata
Dsunken stomata
Ethick stems
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Question 1580
neco 2000
Which of these is NOT a method of asexual reproduction?
Abudding
Bfission
Cfusion
Dfragmentation
Elayering
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