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Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
The male toad differs from the female by having
A
Vocal sacs
B
Shorter hind limbs
C
Longer fore limbs
D
Bulging eyes
E
Nictating membranes
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 #2563)
Biology
UTME / JAMB 1984
Variation & Genetics (Heredity)
The character-producing factors in living organisms are
A
Chromomeres
B
Alleles
C
Chromatids
D
Chromosomes
E
Genes
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 #2580)
Biology
UTME / JAMB 1984
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
A mixture of mercurous and mercuric nitrates is added to a food substance. A white precipitates is formed which on gentle heating turns red. The food substance is
A
Protein
B
Oil
C
Carbohydrates
D
Fat
E
Fatty acid
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 #2581)
Biology
UTME / JAMB 1984
Reproduction in Plants & Animals
The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called
A
Amnion
B
Chorion
C
Umbilical cord
D
Oviduct
E
Placenta
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 #2583)
Biology
UTME / JAMB 1984
Cell & Its Environment (Diffusion, Osmosis & Transport)
Solution
Osmosis can be defined as the movement of
A
Molecules from solution of higher concentration to low concentration
B
Molecules from solution of low concentration to high concentration
C
Water from solution of high concentration to low concentration
D
Water across a semi-permeable membrane from solution of low concentration to high concentration
E
Water across a semi-permeable membrane from solution of high concentration to low concentration
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Osmosis is a special case of diffusion in which only water molecules move from a region of lower to higher water potential through a semi-permeable membrane.
Source: Myschool Past Questions Archive (Record #2584)
Biology
UTME / JAMB 1984
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of the following statement is NOT true of enzymes? They
A
Are proteins
B
Need cofactors to activate them
C
Are sensitive in their action
D
Are specific in their action
E
Can withstand high temperature
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 #2585)
Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
Mosses, liverworts and ferns can be grouped together because they
A
Are all aquatic plants
B
All grow in deserts
C
Are seedless plants
D
Have undifferentiated plant bodies
E
All produce colourless flowers
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 #2564)
Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
Spirogyra and mucor can be grouped together as Thallophyta because
A
They are unicellular organisms
B
Their spores could be dispersed by wind
C
They are capable of living independent lives
D
They reproduce sexually only
E
Their bodies are made up of thallus and filaments alternatively
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 #2567)
Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
Solution
Which of the following invertebrates does NOT possess antennae?
A
Centipede
B
Crustacean
C
Millipede
D
Insect
E
Spider
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
Spiders have eight eyes, four pairs of segmented legs, and can grow a new leg if they lose one. They do not have antennae or wings.
Insects are a different class of arthropods than spiders, and insects have two antennae. Spiders are arachnids, and arachnids do not have antennae.
Source: Myschool Past Questions Archive (Record #2568)
Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
Which of the following is INCORRECT? The prothallus of a fern
A
Is flattened heart-shaped structure
B
Is green because its cells contain chloroplasts
C
Is the dominant plant
D
Bears the sexual organ
E
Is attached to the ground by numerous rizoids
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 #2570)
Biology
UTME / JAMB 1984
Cell Structure, Organization & Cell Division
Which of the following cell constituents is NOT common in both plants and animals?
A
Mitochondria
B
Chloroplast
C
Ribosomes
D
Golgi apparatus
E
Vacuoles
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 #2571)
Biology
UTME / JAMB 1984
Variety of Organisms & Classification of Living Things
The dorsal and anal fins of fish are used for
A
Upward movement
B
Controlling rolling
C
Downward movement
D
Steering
E
Buoyancy
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 #2587)
Biology
UTME / JAMB 1984
Supporting Tissues & Skeletal System
Solution
Exoskeleton is NOT found in the
A
Maggot
B
Mosquito larva
C
Earth worm
D
Caterpillar
E
Termite
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Molting occurs when maggots shed the outer coverings of their bodies, which is called an exoskeleton. also, The head of mosquito larvae is large and sclerotized (made of hardened exoskeleton). termite and caterpillars also have exoskeletons so the only exception here is earthworms.
Source: Myschool Past Questions Archive (Record #2588)
Biology
UTME / JAMB 1984
Transport System in Plants & Animals
Blood clotting is initiated by
A
Leucocytes
B
Platelets
C
Haemolymph
D
Haemoglobin
E
Erythrocytes
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 #2589)
Biology
UTME / JAMB 1984
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Pepsin is a digestive enzymes which breaks
A
Cellulose into glucose molecules
B
Carbohydrates into simple sugars
C
Protein into peptones
D
Fats into glycerol and fatty acid
E
Sucrose into glucose and fructose
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 #2591)