NECO Past Questions and Answers - Page 330

1,646.

Which of these pairs best illustrates a 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 the body of a cow

Correct answer is D

No explanation has been provided for this answer.

1,647.

The process that ensures that the chromosome number for each specie of organisms remain constant from generation to generation is called

A.

fission

B.

fusion

C.

meiosis

D.

mitosis

E.

oogenesis

Correct answer is C

In preparation for meiosis, a germ cell goes through the interphase, during which the entire cell (including the genetic material contained in the nucleus) undergoes replication.

1,648.

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

A.

algae → fungi → toad → snake

B.

diatoms → tadpole → fish → kingfisher

C.

grass → grasshopper → toad → whale

D.

phytoplankton → fish → snake → kingfisher

E.

zooplankton → tadpoles → fish → kingfisher

Correct answer is B

No explanation has been provided for this answer.

1,649.

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

Correct answer is D

No explanation has been provided for this answer.

1,650.

The process by which some organisms oxidize inorganic compounds to obtain energy is known as

A.

catabolism

B.

chemosynthesis

C.

glycolysis

D.

metabolism

E.

photosynthesis

Correct answer is C

No explanation has been provided for this answer.