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Biology
UTME / JAMB 2010
Excretion & Homeostasis
Solution
The outer layer of the kidney where the Bowman's capsules are found is the?
A
cortex
B
pelvis
C
medulla
D
pyramid
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Each urinary tubule begins in the CORTEX as a cup-like structure known as the Bowman's capsule.
Source: Myschool Past Questions Archive (Record #29596)
Biology
UTME / JAMB 2010
Nervous, Hormonal Coordination & Sense Organs
Solution
Which of the following stimuli is likely to elicit a nastic response in an organism?
A
Wound lesion
B
Light intensity
C
Chemical substances
D
Gravity
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
nastic movements are non-directional responses to stimuli (e.g. temperature, humidity, light irradiance) that occur more rapidly than tropisms and are usually associated with plants.
Source: Myschool Past Questions Archive (Record #29597)
Biology
UTME / JAMB 2010
Reproduction in Plants & Animals
In the male reproductive system of a mammal, sperm is stored in the?
A
van deferens
B
urethra
C
epididymis
D
seminiferous tubules
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 #29598)
Biology
UTME / JAMB 2010
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of?
A
oxidation
B
denitrification
C
reduction
D
phosphorylation
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
In biochemistry, chemosynthesis is the biological conversion of one or more carbon molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthesis.
Source: Myschool Past Questions Archive (Record #29599)
Biology
UTME / JAMB 2010
Digestive System & Feeding Mechanisms
Solution
The part of the human gut that has an acidic content is the?
A
stomach
B
duodenum
C
ileum
D
colon
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
- The stomach is very acidic, with a pH of 3.5 or below, so it can break down food.
Source: Myschool Past Questions Archive (Record #29600)
Biology
UTME / JAMB 2010
Variety of Organisms & Classification of Living Things
Solution
I. Stomata → Spirogyra II. Alveoli → Earthworm III. Malpighian tubule → Mammal IV. Contractile vacuole → Protozoa.
Which of the above structures is correctly matched with the organisms in which it is found?
A
lll
B
ll
C
l
D
IV
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Ameoba and paramecium are examples of Protozoa.
An Ameoba gets rid of excess water that enters its cell by using a Contractile Vacoule.
Source: Myschool Past Questions Archive (Record #29601)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
A food chain always begins with a?
A
consumer
B
decomposer
C
producer
D
primary consumer
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 #29602)
Biology
UTME / JAMB 2010
Variety of Organisms & Classification of Living Things
Solution
Mycorrhiza promote plant growth by?
A
absorbing inorganic ions from the soil
B
protecting it from infection
C
helping it to utilize atmospheric nitrogen
D
serving as a growth regulator
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Mycorrhizal fungi allow plants to draw more nutrients and water from the soil.
They also increase plant tolerance to different environmental stresses
Source: Myschool Past Questions Archive (Record #29603)
Biology
UTME / JAMB 2010
Reproduction in Plants & Animals
The barrier between maternal and fetal blood is the?
A
placenta
B
liver
C
umbilical cord
D
uterine wall
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 #29604)
Biology
UTME / JAMB 2010
Transport System in Plants & Animals
The blood component that has the greatest affinity for oxygen is the?
A
lymphocytes
B
leucocytes
C
erythrocytes
D
thrombocytes
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 #29605)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Which of the following organisms is mainly found in the marine habitat?
A
Achatina
B
Tilapia
C
Dog fish
D
Tortoise
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Dogfish are types of sharks that are common tropical open sea fishes, with others like mackerel, sea catfish, etc.
Source: Myschool Past Questions Archive (Record #29606)
Biology
UTME / JAMB 2010
Supporting Tissues & Skeletal System
Solution
The two halves of the pelvic girdle are joined together at the?
A
pubic symphysis
B
ilium
C
pubis
D
obturator foramen
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The pubic symphysis is found on the anterior side of the pelvis and is the anterior boundary of the perineum. The pubic bones form a cartilaginous joint in the median plane, the symphysis pubis. The joint keeps the two bones of the pelvis together and steady during activity.
Source: Myschool Past Questions Archive (Record #29607)
Biology
UTME / JAMB 2010
Adaptation & Evolution
Solution
I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores.
Which of the above are ways in which desert animals adapt to extreme heat of the environment?
A
I and IV only
B
ll and lll only
C
l and ll only
D
l, ll and lll only
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
III & IV are considered invalid because some desert animals are poikilotherm.
Poikilotherm or cold blooded animals are the animals (without sweat pores) whose body temperature vary with the temperature of the environment.
e.g Amphibians and reptiles are poikilothermic animals.
Source: Myschool Past Questions Archive (Record #29609)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
Low annual rainfall, sparse vegetation , high diurnal temperatures and cold nights are characteristic features of the?
A
tropical rainforest
B
desert
C
montane forest
D
guinea savanna
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #29610)
Biology
UTME / JAMB 2010
Basic Ecological Concepts, Ecosystems & Biomes
The activity of an organism which affects the survival of another organism in the same habitat constitutes?
A
an edaphic factor
B
an abiotic factor
C
a biotic factor
D
a physiographic factor
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 #29612)