NECO Past Questions and Answers - Page 329

1,641.

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

A.

adrenaline

B.

insulin

C.

oestrogen

D.

testosterone

E.

thyroxine

Correct answer is A

No explanation has been provided for this answer.

1,642.

A common characteristic of ALL living things is

A.

gametogenesis

B.

hibernation

C.

photosynthesis

D.

phototropism

E.

respiration

Correct answer is E

No explanation has been provided for this answer.

1,643.

An organism existing at the colonial level of life is

A.

chlamydomonas

B.

euglena

C.

paramecium

D.

spirogyra

E.

volvox

Correct answer is E

No explanation has been provided for this answer.

1,644.

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

A.

ascent of water into leaves

B.

exchange of gases on 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

Correct answer is A

No explanation has been provided for this answer.

1,645.

Which statement about decomposers is NOT true?

A.

They are saprophytes

B.

They carry on intracellular 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

Correct answer is B

No explanation has been provided for this answer.