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Biology
UTME / JAMB 2002
Reproduction in Plants & Animals
Diagram
Solution
Ovoviparity is the type of fertilization exhibited by the organism labelled
Attached Figure / Diagram
A
IV
B
III
C
II
D
I
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Ovoviparity is a reproductive strategy where embryos develop inside eggs that are retained within the female's body until they hatch, resulting in live birth, but without placental attachment. Some reptiles (like certain snakes and lizards), fish (like some sharks and rays), and some insects exhibit ovoviparity.
Source: Myschool Past Questions Archive (Record #41432)
Biology
UTME / JAMB 2002
Supporting Tissues & Skeletal System
Diagram
Solution
The correct evolutionary sequence of the organisms represented is
Attached Figure / Diagram
A
IV->II->III->I
B
III->II->I->IV
C
II->III->IV->I
D
I->III=>II->IV
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The first to evolve is the bony fish which evolved from a jawless fish. The amphibians evolved next after fish. The first amphibians evolved from a lobe-finned fish ancestor about 365 million years ago. They were the first vertebrates to live on land, but they had to return to water to reproduce. For this reason, they had to live near water bodies. They had few characteristics of fish in their early life. The reptiles evolved from the amphibians. They lived completely on land. They laid amniotic eggs and had fertilization. They were the first vertebrates that didn't have to return to water for reproduction. Reptiles developed certain added features such as feathers, hollow bones, and warm bodies. These animals were called birds or Aves. Then mammals.
Note: Mammals and birds both evolved from reptiles-like ancestors.
Source: Myschool Past Questions Archive (Record #41433)
Biology
NECO SSCE 2002
Variation & Genetics (Heredity)
Solution
A pair of genes which controls a trait is described as
A
allele
B
dominant
C
hybrid
D
recessive
E
variant
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Alleles are pairs or series of genes on a chromosome that determine the hereditary characteristics.
Source: Myschool Past Questions Archive (Record #41983)
Biology
NECO SSCE 2002
Variation & Genetics (Heredity)
In genetics, test cross is used to
A
confirm the number of offspring in F1
B
confirm the number of gametes present in parents
C
test for heterozygosity
D
test for X and Y chromosomes
E
test for the phenotypic ratio
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41984)
Biology
NECO SSCE 2002
Variety of Organisms & Classification of Living Things
What is NOT characteristic of fresh water habitats?
A
high osmotic concentration
B
low oxygen concentration
C
they are flooded during the rainy season
D
temperature changes daily
E
they have limited size-and depth
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #41985)
Biology
NECO SSCE 2002
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Which division is NOT part of the atmosphere?
A
hydrosphere
B
mesosphere
C
stratosphere
D
thermosphere
E
troposphere
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
part of the atmosphere includes: the troposphere, stratosphere, mesosphere and thermosphere
Source: Myschool Past Questions Archive (Record #41987)
Biology
NECO SSCE 2002
Basic Ecological Concepts, Ecosystems & Biomes
A group of interacting populations in a particular habitat can be described as
A
biome
B
biosphere
C
community
D
ecosystem
E
environment
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41991)
Biology
NECO SSCE 2002
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Iron is mainly required by plants for_________formation.
A
Chlorophyll
B
glucose
C
protein
D
nuclear
E
nucleproteins
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #41993)
Biology
NECO SSCE 2002
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Which reagent is used to test for the presence of starch in a food substance?
A
anhydrous copper (II) sulphate
B
Fehling’s solution
C
iodine solution
D
iron(III) oxide
E
Million’s reagent
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
In the presence of starch, iodine changes its color from brown to blue-black or purple. So, iodine can be used to test the presence of starch.
Source: Myschool Past Questions Archive (Record #41996)
Biology
NECO SSCE 2002
Digestive System & Feeding Mechanisms
The incomplete breakdown of glucose into alcohol, carbon dioxide and energy is referred to as
A
decay
B
digestion
C
fermentation
D
oxidation
E
respiration
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #41999)
Biology
NECO SSCE 2002
Basic Ecological Concepts, Ecosystems & Biomes
Which organism is a primary producer?
A
Cassava
B
cricket
C
grasshopper
D
hawk
E
lizard
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #42003)
Biology
NECO SSCE 2002
Growth, Micro-organisms & Public Health
Which is NOT an example of bacteria?
A
bacilli
B
cocci
C
diplococci
D
spirilli
E
sporangia
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #42010)
Biology
NECO SSCE 2002
Variation & Genetics (Heredity)
The pro-condition for transfusion of blood to an accident victim is
A
assess the level of blood lost
B
boil the blood before transfusion
C
cross-match the victims and donor blood groups
D
mix the blood to be donated with sulphur
E
remove the remaining blood from the accident victim before transfusing the blood
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #42013)
Biology
NECO SSCE 2002
Respiration & Gaseous Exchange
Which process best explains the raising upward and outward of the ribs during breathing?
A
aerobic respiration
B
anaerobic respiration
C
exhalation
D
inhalation
E
internal respiration
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #42015)
Biology
NECO SSCE 2002
Population Ecology, Habitats & Conservation
Solution
Thick succulent stems and leaves are an adaptation for conservation of water
A
prevention of heat stroke
B
protection
C
reproduction
D
sun tanning
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Plants living in hot, arid conditions (like deserts) face extreme temperatures and intense sunlight. By storing large amounts of water in their thick succulent stems and fleshy leaves, they can maintain a stable internal temperature. The stored water acts as a thermal buffer, regulating heat and preventing cellular damage or "heat stroke" (desiccation/overheating) when environmental temperatures spike.
Source: Myschool Past Questions Archive (Record #42017)