JAMB Biology 1994 past questions

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

Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah. 35.. A biome with a low annual rainfall, few scattered trees within dense layer of grasses and found in Kano and Katsina States is

Which of the following does a virus have in common with animal cells?

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

Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing?

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

One common characteristic of fungi, algae, mosses and ferns is that they

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

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

In Amoeba, osmoregulation is carried out by the

Beans 7. Rock 8. Water. 3 0. Items 1-4 can be regarded as

The part used for feeling is labelled

The mouth part of the insect is adapted for

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 to life in water?

Which of the labeled part allows for efficient absorption of water and mineral?

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 I 3 C1 pm4 m2 is that of a 3 1 4 3

The nitrifying bacteria, Nitrosomonas, convert ammonia to

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

The phloem parenchyma is sometimes used for

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

The most appropriate title for the set up is

The part labeled J is called

Which of the following waste products in plant 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 shows the relationship between the body and atmospheric temperatures for dog and lizard. What is the most appropriate deduction that could be made form the graph?

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

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

Ecological sucession 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 differences and similarities among living things account for

In the gene locus for eye colour in humans, the allele for brown eyes 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 their 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?

Carbon monoxide poison tissues by

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

Which of the following is an example of discontinuous variation observed in man?

During blood transfusion, agglutination may occur when

Breathing root is an adaptation for survival in the

In the illustration above, the genotypes of the offsprings are

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

Cold blooded animals are referred to as

Which of the organism has lost the pentadactyl limb structure?

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