NECO SSCE - Biology - 2000

Which statement about decomposers is NOT true?

Awọn alaye Idahun

When both alleles in a heterozygous individual are fully expressed in the phenotype of the F, generation this phenomenon is described as

Awọn alaye Idahun

Which of these organisms is most likely to have the least number if found within the same habitat?

Awọn alaye Idahun

Which structure of the mammalian ear when removed will affect the maintenance of balance?

Awọn alaye Idahun

Which of the following sequences best illustrates a food chain in an aquatic habitat ?

Awọn alaye Idahun

The part of the fruit which serves a protective function is called

Awọn alaye Idahun

A common characteristic of ALL living things is

Awọn alaye Idahun

The most likely mode of an organism that possesses attachment structure, thin outer surface layer and absence of an elaborate digestive tract is

Awọn alaye Idahun

The group of micro-organisms that plays a vital role in the baking industry is

Awọn alaye Idahun

Which material is NOT necessary for the manufacture of plant food?

Awọn alaye Idahun

Which of the following is NOT a natural source of energy ?

Awọn alaye Idahun

The streaming movement of cytoplasm observed in a freshly cut leaf of a water plant is termed

Awọn alaye Idahun

Which of these agencies do not have anything to do with conservation of natural resources?

Awọn alaye Idahun

The release of sperms through the urethral opening into the vagina is called?

Awọn alaye Idahun

The genetic composition of an organism is termed

Awọn alaye Idahun

Which of these is a liming factor with respect to human population size?

Awọn alaye Idahun

An instrument of measuring wind speed is called

Awọn alaye Idahun

Modern method of classification of living things is based on similarity of?

Awọn alaye Idahun

When a student suddenly runs into a snake on a pathway, which of these chemical messengers are released ?

Awọn alaye Idahun

Lianas is to tropical rain forest as an extensive root system is to ---------------- habitat

Awọn alaye Idahun

Which organisms are NOT autotrophic?

Awọn alaye Idahun

The process which ensures that the chromosome number for each species of organism remains constant from generation to generation is called

Awọn alaye Idahun

Which of these is NOT an excretory organ/organelle?

Awọn alaye Idahun

Which of the following agricultural practices will NOT promote soil conservation ?

Awọn alaye Idahun

Use the information to answer this question.

I. Smoking
II. Sun drying
III. Freezing
IV. Canning
V. Salting
VI. Pasteurization

A method of food preservation that works on the principle of dehydration is

Awọn alaye Idahun

An organism existing at the colonial level of life is

Awọn alaye Idahun

Which ONE is not an adaptation for water conservation in plant found is arid region?

Awọn alaye Idahun

Which of these is NOT a method of asexual reproduction?

Awọn alaye Idahun

Which of the following statements is NOT true according to the first and second laws of thermodynamics ?

Awọn alaye Idahun

An example of sex-linked trait is

Awọn alaye Idahun

Which of the following agricultural activities has the least harmful effect on the environment ?

Awọn alaye Idahun

Which of these pairs best illustrates symbiotic association?

Awọn alaye Idahun

What is the result of placing a red blood cell in a hypertonic solution ?

Awọn alaye Idahun

Which of these allelic pairs represent homozygous dominant trait?

Awọn alaye Idahun

An essential with the dental formula I 0/3 : C 0/1 : P 3/3 : M 3/3 is most likely adapted for ___________ nutrition .

Awọn alaye Idahun

Two identical twin boys had different finger print. This proves that

Awọn alaye Idahun

Root pressure and the transpiration pull are biophysical processes which account for the?

Awọn alaye Idahun

Which of these statements is NOT an idea contained in Lamarck’s theory of evolution.?

Awọn alaye Idahun

Which one is NOT an excretory product of man?

Awọn alaye Idahun

Which of these traits shows discontinuous variation ?

Awọn alaye Idahun

An essential element whose deficiency in plants will result in poor growth, particularly of the roots, and is essential for cell well formation is

Awọn alaye Idahun

An example of a conditioned reflex is

Awọn alaye Idahun

In a case of disputed paternity the most likely clue to resolving the problem is to match the ________________ of the baby with that of the father .

Awọn alaye Idahun