JAMB UTME - Biology - 1981

Which of the following insects has an incomplete metamorphosis during its life circle?

Détails de la réponse

The two types of human tapeworm can be distinguished by the presence or absence of

Détails de la réponse

The functional unit of a mammalian kidney is the

Détails de la réponse

The deficiency of vitamin D leads to

Détails de la réponse

The tissue which connects a muscle to a bone is a

Détails de la réponse

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

Détails de la réponse

Accommodation of the human eye is best described as the

Détails de la réponse

What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant?

Détails de la réponse

The thoracic vertebrae of a mammal is characterized by the

Détails de la réponse

A fruit formed from a single flower having several free carpels is

Détails de la réponse

Which of the following is the dental formula of man?

Détails de la réponse

Normally any character shown by an organism is due to the effects of

Détails de la réponse

The hepatic portal vein is unique because it

Détails de la réponse

If the anthers of a flower mature before the stigma, the condition is termed

Détails de la réponse

All the following are digestive enzymes except

Détails de la réponse

Which of the following animals is cold blooded

Détails de la réponse

Which of the following statement is NOT true of symbiosis?

Détails de la réponse

An instrument used in measuring the speed of wind is

Détails de la réponse

In which of the following plants is swollen shoot disease common?

Détails de la réponse

The bone labelled X in the figure above is the

Détails de la réponse

Nitrification means

Détails de la réponse

which of the labelled tissues in the figure above is responsible for transport of mineral salts and water in living plants?

Détails de la réponse

What is name of the respiratory organ of the crab?

Détails de la réponse

The mushroom is an organism which feeds

Détails de la réponse

Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

Détails de la réponse

A plant which has a horizontal underground stem is

Détails de la réponse

The joint at Y in the figure above is

Détails de la réponse

What is the part marked X in the figure above called?

Détails de la réponse

Which of the following is NOT true of wind-pollinated flowers?

Détails de la réponse

A person whose blood can be donated to all other people, must have the blood group

Détails de la réponse

Which of the following is NOT a function of the liver?

Détails de la réponse

Choose the sequence which represents the correct order of organisms in a food chain.

Détails de la réponse

Soil is said to be fertile if

Détails de la réponse

A surprising fact about sickle cell disease is that it

Détails de la réponse

What is the function of the contractile vacuole in paramecium?

Détails de la réponse

What would happen if solution Y is more concentrated than solution X in the figure above?

Détails de la réponse

Growing yam tendrils climb for support. This growth response is

Détails de la réponse

Where is the food stored in yam plant?

Détails de la réponse

The kind of teeth used for tearing food materials is the

Détails de la réponse

Which of these substance is likely to be deficient in the diet of a person having goitre?

Détails de la réponse

The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

Détails de la réponse

Which of the structure becomes the seed coat after fertilization?

Détails de la réponse

Spirogyra reproduces vegetatively by

Détails de la réponse

Milk protein is hydrolyzed by

Détails de la réponse

In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces

Détails de la réponse

If Benedict's solution gives a positive result in a food test, the food contains

Détails de la réponse

Which of the following statements is NOT true of menstruation?

Détails de la réponse

The correct route for a piece of bread eaten by a mammal is

Détails de la réponse

The rate of transpiration of a leafy shoot would be highest under

Détails de la réponse