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Biology
UTME / JAMB 2015
Excretion & Homeostasis
Which of the following hormonal glands is located on top of the kidney?
A
Adrenal
B
gonads
C
pancreas
D
thyroid
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 #40542)
Biology
UTME / JAMB 2015
Cell Structure, Organization & Cell Division
One of these is present in both plant and animal cell?
A
Cell membrane
B
Cell wall
C
Chloroplast
D
Large cell vacuole
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 #40544)
Biology
UTME / JAMB 2015
Cell & Its Environment (Diffusion, Osmosis & Transport)
Solution
When the solute concentration of the cell and its surrounding medium are the same, the solution is said to be
A
hypertonic
B
hypotonic
C
isotonic
D
acidic
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Option C is correct. This is because, any time there is the same solute concentration of both cell and its surrounding medium, the solution is said to be isotonic. So, there will be no losing or gaining of water into the cell or the surrounding medium.
Source: Myschool Past Questions Archive (Record #40547)
Biology
UTME / JAMB 2015
Basic Ecological Concepts, Ecosystems & Biomes
The primary consumer in the food chain below is ................
Green plants → Grasshopper → Lizard → Snake → Hawk
A
Grass hopper
B
green plants
C
hawk
D
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 #40550)
Biology
UTME / JAMB 2015
Variety of Organisms & Classification of Living Things
Angiosperms belong to the class
A
bryophyte
B
pteridophyta
C
spermatophyte
D
thallophytic
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 #40553)
Biology
UTME / JAMB 2015
Excretion & Homeostasis
In the kidney, both useful substances and wastes are removed from the blood by
A
Filtration
B
selective absorption
C
dialysis machine
D
excretion
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 #40554)
Biology
UTME / JAMB 2015
Reproduction in Plants & Animals
Which of the following is not part of the mammalian male reproductive organ?
A
Epididymis
B
Vas deferens
C
testis
D
Vulva
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 #40557)
Biology
UTME / JAMB 2015
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Which of the following reagent is used for testing the presence of protein in food?
A
Benedict solution
B
Fehling’s Solution
C
Millon’s reagent
D
Sudan III
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Benedict's reagent is used to test for the presence of reducing sugars in a sample; it is a chemical test that detects the presence of simple carbohydrates with free aldehyde or ketone functional groups, like glucose and fructose.
Fehling's reagent is used to test for the presence of reducing sugars; specifically, it detects the presence of an aldehyde functional group within a molecule, which is why it can be used to differentiate between reducing and non-reducing sugars like sucrose.
Millon's reagent is used to test for the presence of tyrosine, an amino acid that contains a phenol group, which is typically found in proteins; a positive reaction with Millon's reagent indicates the presence of tyrosine in a sample.
Sudan's reagent is used to test for the presence of lipids (fats) in a sample, typically used in food analysis or examining stool samples for fat malabsorption; it works by staining lipids with a dye like Sudan III or Sudan IV, which turns red when it binds to fat molecules.
Source: Myschool Past Questions Archive (Record #40559)
Biology
UTME / JAMB 2015
Digestive System & Feeding Mechanisms
The breaking down of food in the alimentary canal is called
A
digestion
B
egestion
C
excretion
D
ingestion
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 #40562)
Biology
UTME / JAMB 2015
Excretion & Homeostasis
Solution
The followings are the functions of the kidneys, except
A
Regulation of water content in the blood
B
Maintenance of blood PH and homeostasis
C
Excretion of CO2
D
D. Removal of waste products from the blood
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Option C is correct. This is because, excretion of CO2 is done by the lungs through the nostrils.
Source: Myschool Past Questions Archive (Record #40565)
Biology
UTME / JAMB 2015
Population Ecology, Habitats & Conservation
Solution
The following distrupts the balance in an ecosystem except
A
afforestation
B
deforestation
C
migration
D
pollution
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Option A is correct. This is because, the planting of trees known as afforestation will prevents wind outbreak that can affect humanity and their resources as well as preventing soil erosion.
Source: Myschool Past Questions Archive (Record #40566)
Biology
UTME / JAMB 2015
Reproduction in Plants & Animals
Solution
The following animals are viviparous expect
A
Cow
B
Dog
C
Goat
D
Pigeon
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Option D is the correct answer. This is because, pigeon is an oviparous animal that lays its egg before hatching.
Source: Myschool Past Questions Archive (Record #40568)
Biology
UTME / JAMB 2015
Variety of Organisms & Classification of Living Things
The following animals are invertebrate except
A
flat worms
B
round worms
C
chordate
D
protozoan
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 #40570)
Biology
UTME / JAMB 2015
Excretion & Homeostasis
Solution
The following are kidney diseases except
A
diuresis
B
hepatitis
C
nephritis
D
oedema
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
diuresis, nephritis, and oedema are all examples of kidney disease except hepatitis(a liver disease) which is the inflammation of the liver that may be due to viral infection or toxic substances like drugs and poison.
Source: Myschool Past Questions Archive (Record #40572)
Biology
UTME / JAMB 2015
Nervous, Hormonal Coordination & Sense Organs
The gland that releases hormones into the blood are part of the
A
digestive system
B
endocrine system
C
circulatory system
D
respiratory system
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 #40574)