Neco Biology 2000 Past Questions and Answers

Question 26:

• NECO 2000

Which organisms are NOT autotrophic?

A. Algae
B. Ferns
C. Fungi
D. Grasses
E. Mosses

Question 27:

• NECO 2000

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

A. In all energy conversions a certain amount is always lost as heat
B. In any given ecosystem the energy transformations can be classified into catabolic and anabolic processes
C. The energy at one trophic level is the same as the next higher or the one below it
D. The sun is the ultimate source of energy in the universe
E. The total energy in an ecosystem retains constant

Question 28:

• NECO 2000

Which of these allelic pairs represent homozygous dominant trait?

A. TT
B. Tt
C. Tt
D. Bb
E. Bb

Question 29:

• NECO 2000

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

A. Amoeboids
B. Centrifugal motion
C. Ciliary motion
D. Cyclosis
E. Osmosis

Question 30:

• NECO 2000

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

A. Algae &arr; fungi &arr;toad &arr;snake
B. Diatoms &arr;tadpole &arr;fish &arr;kingfisher
C. Grass &arr;grasshopper &arr;toad &arr;whale
D. Phytoplankton &arr;fish &arr;snake &arr;kingfisher
E. Zooplankton &arr;tadpoles &arr;fish &arr;kingfisher