JAMB Biology 1984 past questions

The mouth part of the housefly are adapted for

In Spirogyra, the pryrenoid

The male toad differs from the female by having

In which of the following groups of animals are flagella and cilia found?

Mosses, liverworts and ferns can be grouped together because they

Fibrinogen in plasma changes into solube fibrin 4. Blood is exposed to air.

Which of the following is seed bearing?

Spirogyra and Mucor can be grouped together as Thallophyta because.

Each of the following is an arthropod EXCEPT the

Which of the following invertebrates does NOT possess antennae?

In fish the sense organs which detect movements in the water are located within the

Which of the following is INCORRECT? The prothallus of a fern

Euglena is an autotrophic organism because it

Which of the following cell constituents is NOT common in both plants and animals?

Which of the following is NOT true of Mucor? It

The character-producing factors in living organisms are

Byrophytes are different from flower because they

At what stage in the life history of a toad is its mode of breathing similar to that of a fish?

The mammalian organ through which nourishment and oxygen diffuse into a developing embryo is called

In lower plants like mosses, the structure which performs the functions of roots of higher plants is called

Fig 1 represents a quill feather. The structure labelled "M" is the

In an angiosperm leaf, the xylem is

Osmosis can be defined as the movement of

Which of the following statements is NOT true of enzymes? They

The dorsal and anal fins of fish are used for

Exoskeleton is NOT found in the

Blood clotting is initiated by

Pepsin is a digestive enzyme which breaks

Anaerobic respiration in yeast produces

Underground stems which grow horizontally through the soil are

In a Biuret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to the mixture for a positive result?

The removal of a man's pancreas by surgical operation can affect only the digestion of

The parts used by tapeworm to fasten itself to the host's intestine are the

The young chick is formed from

Which parts provide food for the developing chick?

Which of the following types of vertebrate occur in equal numbers in the rabbit, rat and man?

Which of the following statements is NOT true of the piliferous layer of a root? It

How many nuclei are found in a pollen tube during fertilization?

Which of the following is NOT a waste product of plants?

If an animal is very active and has good muscular control, it is likely to have well-developed

Which of the following adaptations is NOT concerned with the flight of birds?

The transect method can be used in ecology to show the

Asexual reproduction does NOT occur in

Fehling's solution will readily change colour from blue to a reddish colour when it is

Normally the flow of blood is NEVER from

Heat produced in tissue respiration in plants is

The axial skeleton of a mammal does not include the bones of the

Green plants are important in the ecosystem because they are

An anenometer is an instrument for measuring

Which of the following is NOT regarded as a pollutant on land or in the air?

Which of the following groups of factors is completely abiotic?

Which of the following lists of diseases, their causes and transmission is CORRECT?

Erosion can be reduced along a slope by

When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it

If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows:

Urea is produced in the

Denitrifying bacteria in nature liberate gaseous nitrogen directly from

What is the genetic ration of the F2 generation if members of F generation are allowed to self-pollinate?

The path taken by glucose from the ileum to the heart is

The process of soil erosion is usually from