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Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
Man can contact tapeworm through
A
ingesting uncooked meat
B
from fish
C
from breathing
D
through contact
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
A cysticercus can survive for several years in the animal. Humans become infected by ingesting raw or undercooked infected meat
it can be contacted through ingesting uncooked meat
Source: Myschool Past Questions Archive (Record #47497)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
An example of a radially symmetrical organisms is
A
Planaria
B
Hydra
C
Tapeworm
D
Roundworm
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
An animal with radial symmetry really has no right and left side or head and rear end. This animals do not move, so they can reach into their environment on all sides. Starfish is an example of radial symmetry. They can be attached to a substrate, like the sea anemone, or floating, like jellyfish. It also occurs in simple animals including the aquatic cnidarians, which include hydra, corals, jellyfish and sea anemones, and Ctenophora, which are comb jellies.
One of the common traits amongst the cnidarians is their symmetry. Hydras, like all cnidarians, display radial symmetry.
Source: Myschool Past Questions Archive (Record #47498)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
Maltose is combination of glucose and
A
glucose
B
sucrose
C
Galactose
D
fructose
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Maltose is composed of two molecules of glucose
Source: Myschool Past Questions Archive (Record #47499)
Biology
UTME / JAMB 2018
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
The vitamin which is important in the formation of the retina pigment is
A
Vitamin A
B
Vitamin B
C
Vitamin C
D
Vitamin D
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Vitamin A is a group of unsaturated nutritional organic compounds that includes retinol, retinal, retinoic acid, and several pro-vitamin A carotenoids (most notably beta-carotene). Vitamin A has multiple functions: it is important for growth and development, for the maintenance of the immune system and good vision.
Vitamin A that is important in the production of visual pigment
Source: Myschool Past Questions Archive (Record #47500)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Diagram
Solution
At which stage in this cycle can a man be infected?
Attached Figure / Diagram
A
2
B
4
C
5
D
6
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
In the animal’s intestine, the oncospheres hatch, invade the intestinal wall, and migrate to the striated muscles, where they develop into cysticerci. A cysticercus can survive for several years in the animal. Humans become infected by ingesting raw or undercooked infected meat
Source: Myschool Past Questions Archive (Record #47491)
Biology
UTME / JAMB 2018
Transport System in Plants & Animals
Solution
Total salt content in blood is about
A
1.85 to 1.9%
B
11.85 to 11.9%
C
2.85 to 2.9%
D
0.85 to 0.9%
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
total salt content of blood plasma is about 0.85 - 0.9% approximately
Source: Myschool Past Questions Archive (Record #47492)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
The role of scolex in tapeworm is to
A
excretion
B
attachment to the host
C
movement
D
breathing
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
An adult tapeworm consists of a knoblike head, or scolex, equipped with hooks for attaching to the intestinal wall of the host (which may be a human), a neck region, and a series of flat, rectangular body segments, or proglottids, generated by the neck.
scolex is used for attachment to the intestinal wall
Source: Myschool Past Questions Archive (Record #47493)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
Which of the following animals is cold blooded
A
Cat
B
Lizard
C
Whale
D
Bird
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Reptiles are cold-blooded animals. This means that they cannot produce heat in their own bodies, and have to rely on their surroundings to keep warm. This is why most reptiles are found in hot or warm climates. Reptiles like snakes and lizards are this type of animal. Amphibians like frogs, toads, and salamanders are, too. Fish are also cold-blooded animals.
Reptile is a cold blooded animal
Source: Myschool Past Questions Archive (Record #47494)
Biology
UTME / JAMB 2018
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
The energy released by 1 gram of glucose is
A
6 kcal
B
4 kcal
C
5 kcal
D
3 kcal
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram
Source: Myschool Past Questions Archive (Record #47495)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
Double fertilisation is a unique features of
A
Angiosperms
B
Bryophytes
C
Pteridophytes
D
Algae
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte (mega gametophyte, also called the embryo sac) with two male gametes (sperm).
Source: Myschool Past Questions Archive (Record #47506)
Biology
UTME / JAMB 2018
Respiration & Gaseous Exchange
Solution
The gland that is present close to Trachea
A
Pancreas
B
Liver
C
Adrenal
D
Thyroid
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The thyroid gland, along with the esophagus, pharynx, and trachea, is found within the visceral compartment of the neck
Source: Myschool Past Questions Archive (Record #47508)
Biology
UTME / JAMB 2018
Excretion & Homeostasis
Solution
A distinguishing feature of mammals is the possession of
A
Skin
B
Scale
C
Nail
D
Hair
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The following features is exactly what makes a mammal a mammal, and not a reptile, a bird or a fish: Hair, Middle Ear Bones, Sweat Glands, Temperature, Regulation
It’s one of the features of mammals
Source: Myschool Past Questions Archive (Record #47510)
Biology
UTME / JAMB 2018
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Examples of micronutrients include the following except
A
vitamins A
B
Vitamin B6
C
Biotin
D
carbon
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Carbon is a macro nutrient
Source: Myschool Past Questions Archive (Record #47511)
Biology
UTME / JAMB 2018
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Etiolation is causes by the influence of
A
Mineral Salts
B
Water
C
Carbondioxide
D
Light
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Etiolation is a process in flowering plants grown in partial or complete absence of light. It is characterized by long, weak stems; smaller leaves due to longer internodes; and a pale yellow color.
Source: Myschool Past Questions Archive (Record #47514)
Biology
UTME / JAMB 2018
Variety of Organisms & Classification of Living Things
Solution
Botany is also known as
A
Phytology
B
Phycology
C
Pedology
D
Plantophyta
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Phytology is the branch of biology that studies plants.
Source: Myschool Past Questions Archive (Record #47515)