Biology Past Questions

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 991
jamb 2009

The uniqueness of an individual organism in a population is accounted for by?

Aevolution
Bvariation
Cadaptation
Dmutation
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Question 992
jamb 2009

The major cause of global warming is the?

Aburning of fossil fuel
Bconstruction of dams
Cuse of electricity
Dexploration of space
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Question 993
jamb 2009

I. Onchocerciasis
II. Schistosomiasis
III.Salmonellosis
IV. Meningitis
which of the diseases listed above are associated with water?

AI and II only
BII, III and IV
CI, II and III
DII and IV
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Question 994
jamb 2009

Mass of crucible = 10g
Mass of crucible and soil before heating = 29g
Mass of a crucible and soil after heating = 18g
From the information above, determine the percentage of water in the given soil sample?

A20%
B25%
C40%
D60%
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Question 995
jamb 2009
Which of the following biomass could be characterized by very low rainfall,cold nights, hot days, and fast blooming plants?
Anorthern guinea savanna
Bsounthern guinea savanna
Ctropical desert
Dmontane forest
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Question 996
jamb 2009

In fresh water marshes and swamps, the most important abiotic factors that organisms have to adapt to is?

Anature of substratum
Bhigh salinity
Chigh temperature
Dlow pH
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Question 997
jamb 2009
A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is
Aisotonic to sea water
Bhypotonic to sea water
Chypertonic to sea water
Dimpervious to sea water
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Question 998
jamb 2009

The association between bacteria residing in the rumen of the ruminant is?

Aparasitism
Bpredation
Csaprophytism
Dmutualism
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Question 999
jamb 2009

The most important ecological factor in a terrestrial environment is?

Arainfall
Bhumidity
Cwind
Dsoil
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Question 1000
jamb 2009

In a bean seed, absorption of water at the beginning of germination is through the?

Ahilium
Bmicropyle
Ctesta
Dplumule
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Question 1001
jamb 2009

The reproductive system of a male mammal is made up of?

Aclaspers, prostrate, gland, sperm duct and vas deferens
Btestis, prostrate gland, sperm duct and penis
Coviduct, urethra, testis and sperm duct
Dtestis, uterus, prostrate gland and sperm duct
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Question 1002
jamb 2009
The axial skeleton is found in the
Askull, ribs, vertebral column and breast bone
Bskull, humerus,vertebral column and ribs
Cbreastbone, clavicle, ribs and vertebral column
Dfemur, sternum,ulna and skull
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Question 1003
jamb 2009

In insects, the structure that performs the same function as the kidney in man is the?

Anephridrium
Bflame cell
Cmalphigian tubule
Dtrachea
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Question 1004
jamb 2009

The enzymes of the glycolytic pathway are located in the?

Amitochondria
Bgastric juice
Cplasma
Dcytoplasm
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Question 1005
jamb 2009

which of the following describes the sequence of blood flow from the heart to a tissue?

AHeart→ artery→ arteriole →tissue?
Bheart→ vein →venule →tissue
Cheart →venule→ vein →tissue
Dheart →arteriole →artery →tissue
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Question 1006
jamb 2009

The part of alimentary system of a bird where food is ground into small particles is the?

Acloaca
Bstomach
Ccrop
Dgizzard
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Question 1007
jamb 2009

Which of the following is an example of carnivorous plant?

Ahydra
Bbladderwort
Cyeast
Dspirogyra
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Question 1008
jamb 2009

Bird toes suitable for digging have claws that are?

Ablunt
Bcurved
Chooked
Dsharp
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Question 1009
jamb 2009

The feature that makes locomotion in water easy for fish is the?

Ascaly body
Bslimy body
Cstreamlined body
Dlateral line
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Question 1010
jamb 2009

A blue-green algae is not a protophyte because?

Ait is aquatic
Bits cells are prokaryotic
Cit cannot move
Dit is not a green plant
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