Neco Biology 2000 Past Questions and Answers

Question 31:

• NECO 2000

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

A. Fission
B. Fusion
C. Meiosis
D. Mitosis
E. Oogenesis

Question 32:

• NECO 2000

Which of these pairs best illustrates symbiotic association?

A. Dodder on green plants
B. Ferns growing on palm trees
C. Lice on hair of mammals
D. Sea anemone attached to hermit crab
E. Tick found on body of cow

Question 33:

• NECO 2000

Which statement about decomposers is NOT true?

A. They are saprophytes
B. They carry on intra-cellular digestion
C. They facilitate the cleansing of the environment
D. They facilitate the recycling of nutrients
E. They form a link between autotrophs and heterotrophs

Question 34:

• NECO 2000

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

A. Ascent of water into leaves
B. Exchange of gases at leaf surfaces
C. Movement of manufactured food from leaves to storage tissues
D. Opening and closing of stomata
E. Release of energy from glucose molecules

Question 35:

• NECO 2000

An organism existing at the colonial level of life is ____________

A. Chlamydomonas
B. Euglena
C. Paramecium
D. Spirogyra
E. Volvox