JAMB Biology 1992 Past Questions

The organelle involved in tissue respiration is the

A tissue can best be defined as

Which of the following correctly summarizes the life cycle of fern plant?

A major difference between platyhelminthees and coelenterates is that platyhelminthes

The essential structural difference between hydra and tapeworm is that while Hydra

The flowering period of plants in a habitat is determined by the

The structure labelled X is used by the organism in the same way as man uses his

The structure labelled Y is the

Which of the following insects undergoes incomplete metamorphosis?

An onion is a bulb because it

The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the

Fungi are heterotropic because they

The major site of photosynthesis in the leaf is the

5 cm³ dilute sodium hydroxide solution and 5 cm³ one percent copper sulphate solution are added to a solution of food specimen. The purple colour which is observed shows the presence of

The blood vessel which carries blood from the alimentary canal to the liver is the

Gaseous exchange in Aves occurs in the

In the absence of oxygen, the pyruvic acid produced during glycolysis is converted to CO₂ and

The excretory organ in insects is the

The structure labelled 5 is the

Melanin and keratin are produced in the part labelled

The bone of the neck on which the skull rests is known as the

Which enzymes are contained in the pancreatic juice?

The part labelled 3 is the

The function of the part labelled 1 is to

Double fertilization in higher plants is significant because it ensures the

In mammalian development, the function of the yolk is to

Hypogeal germination is characterized by the

Fruits which develop without fertilization of the ovule are

Which part of the curve represents the fastest rate of growth?

The grand period of growth is represented by

Neurons that receive stimuli from the body or internal organs are called

Which of the following is true of climax community?

A population is defined as a collection of similar organism that

In typical predator food chain involving secondary and tertiary consumers, the organism become progressively

Which level of the pyramid has the least total stored energy?

Which organism in the pyramid functions as a tertiary consumer?

Mangrove swamp can be found

Soil with the finest particles is called

Which of the following is true of the children of a heamophilic man who marries a woman that is not haemophilic and does not carry the trait?

A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype

If R and r, denotes the genes for a character, the offspring of the cross between RR and Rr are

A mammal with red fur and long ears was crossed with another having white fur and short ears. If the offspring had a red fur and short ears, the

Pawpaw seeds collected from a tree with many desirable agronomic qualities did not give rise to plants of desirable character as the parent because

Woman do not suffer from colour blindness because

The hereditary materials of the cell is

An example of plant adaptation to a xerophytic environment is represented by the development of

Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat?

The theory of natural selection was developed by

Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because