JAMB Biology 1994 Past Questions

The membrane surrounding the vacuole in a plant cell is called the

The smallest living organism which share the characteristics of both living and non-living matter are

Green plants are distinguished from other living organisms by their ability to

The soil swallowed by the earthworm to form the worm cast is grouped up in the

Which is the correct order in an evolutionary sequence for the following plants groups?

In Amoeba, osmoregulation is carried out by the

Which of the following combinations differentiates a bony fish from a cartilaginous fish? I. Presence of gills II. Absence of gill slits III. Possession of bony skeleton IV. Possession of laterally compressed body V. Possession of dorso-ventrally compressed body

Which is the most important adaptation of a bony fish life in water?

Which of the labelled parts allows for efficient absorption of water and minerals?

starch is usually stored in the part labelled

The failure of transport and respiratory systems in plants as well as the presence of reddish colour in stems and leaves result from the deficiency of

The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a

The nitrifying bacteria, Nitrosomonas, convert ammonia to

The activity of ptyalin is likely to decrease with an increase in concentration of

The phloem parenchyma is sometimes used for

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

The most appropriate title for the set up is

The part labelled j is called

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

Which of the following waste products in plants is excreted through the stomata and lenticels?

The vertebra illustrated is

THe neural arch is labelled

In animals, meiosis comes

The fleshy base of a flower to which the different floral parts are attached is known as

When a short-sighted person views a distant object without spectacles, the image is formed

The graph above shows the relationship between the body and atmospheric temperature for dog and lizard. What is the most appropriate deduction that could be made from the graph?

The part of the brain that controls heart beat and breathing is the

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
Items 1-4 can be regarded as

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
The physical factors are represented by

Which of the following sets is made up of decomposers?

The correct order in a food chain involving the organisms (1)Grasses, (2)Hawks, (3)Snakes, (4)Grasshopper, (5)Lizards is

The organisms with the least number of individuals in a pyramid of numbers are the

Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome with a low annual rainfall, few scattered trees within dense layer of grasses and found in Kano and Katsina States

Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome where there are many cacti and the small mammals undergo aestivation for long periods is

Ecological succession ends with the formation of a stable

In a drought situation, plants suffer from water stress which could result in

The water-retention capacity of a soil indicates its

People who suck petrol with their mouths run the risk of increasing in their blood the concentration of

The difference and similarities among living things account for

People wit sickle-cell anaemia have haemoglobin

In the gene locus for eye colour in humans, the allele for brown eye is dominant over the allele for blue eyes. If a homozygous brown-eyed girl has a brother with blue eyes, what are the likely phenotypes of there parents'eye colour (Eye colour is not a sex linked trait)

If a woman's genotype is Tt Qq Rr, what would be the gene content of her eggs?

The sex-linked defect in which very slight cut produces severe bleeding is known as

A man who has the trait for colour blindness marries a normal woman. What percentage of their children would be sufferers, carriers and normal respectively

Breathing root is an adaptation for survival in the

Red coloration on the head of a male lizard helps it to

A phenomenon by which an animal goes into a state of dormancy during the dry season is called

The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of

The parts used for feeding is labelled

The mouth part of the insect is adapted for