JAMB UTME - Biology - 1981

Growing yam tendrils climb for support. This growth response is

Antwortdetails

Spirogyra reproduces vegetatively by

Antwortdetails

All the following are digestive enzymes except

Antwortdetails

The thoracic vertebrae of a mammal is characterized by the

Antwortdetails

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

Antwortdetails

The bone labelled X in the figure above is the

Antwortdetails

Accommodation of the human eye is best described as the

Antwortdetails

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

Antwortdetails

Which of the following animals is cold blooded

Antwortdetails

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

Antwortdetails

A surprising fact about sickle cell disease is that it

Antwortdetails

The joint at Y in the figure above is

Antwortdetails

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

Antwortdetails

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

Antwortdetails

The functional unit of a mammalian kidney is the

Antwortdetails

The mushroom is an organism which feeds

Antwortdetails

Which of the following statement is NOT true of symbiosis?

Antwortdetails

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

Antwortdetails

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

Antwortdetails

Which of the structure becomes the seed coat after fertilization?

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

The tissue which connects a muscle to a bone is a

Antwortdetails

The deficiency of vitamin D leads to

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

The hepatic portal vein is unique because it

Antwortdetails

Which of the following is the dental formula of man?

Antwortdetails

Which of the following statements is NOT true of menstruation?

Antwortdetails

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

Antwortdetails

The kind of teeth used for tearing food materials is the

Antwortdetails

Soil is said to be fertile if

Antwortdetails

A plant which has a horizontal underground stem is

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

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

Antwortdetails

What is the function of the contractile vacuole in paramecium?

Antwortdetails

Milk protein is hydrolyzed by

Antwortdetails

Nitrification means

Antwortdetails

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

Antwortdetails

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

Antwortdetails

Where is the food stored in yam plant?

Antwortdetails

What is name of the respiratory organ of the crab?

Antwortdetails

An instrument used in measuring the speed of wind is

Antwortdetails