JAMB UTME - Biology - 1979

If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be

In which of these association is much harm done to one of the partners?

Which of the following is not an excretory organ in animals?

The digestive enzyme that coagulates proteins in milk is

A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was

Which of these is the terminal portion of the alimentary canal of a mammal?

Alkaline pyrogallol was used in an experiment. That experiment must have been connected with

Which one of the following option is not true for mucor of Rhizophus? it

When the ciliary muscles of the eye contract, the eye lens

The part of the mammalian brain responsible for maintaining balance is

The movement of molecules from a region of higher concentration to one of lower concentration is

Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are

Identical twins are produced under one of the following conditions

An organism which lives on the remain of dead plant is

In the figure above the cell which controls the opening and closing of stomatal pore is

The farmer cannot check soil erosion effectively by

Which one of the following is not an excretory product?

The region of cell division in a root is

One of the following statement is not true of viruses

The one-seeded fuit in which the pericarp and the seed coat have become fused together is known as

Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as

The major function of contractile vacuole in amoeba is

Which of the structure listed below is peculiar to the axis vertebra?

A secchi disc is used in the determination of

The figure above is a section of a drupe. The part numbered 2 is

Which of these tissue serves the function of support and water conduction

Which of these is not true? grass in the above food chain

Which of these statement below is not a characteristic of wind pollinated flower?

The complex relationship between the members of a community and between the community as a whole and its physical environment is

Root hair have their origin from

Magnesium is utilized in the formation of

The maize grain is regarded as a fruit and not a seed because

Which of these is not an enzyme?

The blood vessel which carries digested food from the small intestine to the liver is the

The dry indehiscent, winged fruit formed from one one carpel is known as

In which of the following tissue do the cells have the ability to divide?

The hepatic portal vein is characterized by

The element nitrogen is utilized in

Which of the following statements is not true of paramecium?

A gland in the human body secretes two hormones, one of which causes a disease called diabetes when there is a deficiency. Which of these organ produce the hormone?

Which of these is not a type of soil?

Insect show consideration powers of water conservation. This is due to the fact that

One significant difference between roots and stem is that

The arrangements below are steps in protein digestion. Which is the correct sequence?
A. polypetides B.protein C. amino-acids D.peptones

Amoeba moves by means of

The carrier of the hereditary character in plants and animal is the

Which of the substance listed below is a trace element of plants?

The plumule is best described as?

which of these diseases cannot be controlled by killing the vector?

All living organism