JAMB UTME - Biology - 1981

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

Which of the following statement is NOT true of symbiosis?

The mushroom is an organism which feeds

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

Which of the following statements is NOT true of menstruation?

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

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

Which of the following is the dental formula of man?

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

Soil is said to be fertile if

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

All the following are digestive enzymes except

The bone labelled X in the figure above is the

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

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

Milk protein is hydrolyzed by

The tissue which connects a muscle to a bone is a

Spirogyra reproduces vegetatively by

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

The deficiency of vitamin D leads to

A plant which has a horizontal underground stem is

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

What is name of the respiratory organ of the crab?

The functional unit of a mammalian kidney is the

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

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

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

Which of the structure becomes the seed coat after fertilization?

Nitrification means

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

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

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

What is the function of the contractile vacuole in paramecium?

Accommodation of the human eye is best described as the

The hepatic portal vein is unique because it

A surprising fact about sickle cell disease is that it

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

Which of the following animals is cold blooded

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

Growing yam tendrils climb for support. This growth response is

The joint at Y in the figure above is

The kind of teeth used for tearing food materials is the

An instrument used in measuring the speed of wind is

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

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

Where is the food stored in yam plant?

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

The thoracic vertebrae of a mammal is characterized by the

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