The cell as the basic unit of life consists of

A. cell wall and vacuole

B. nucleus and cell wall

C. cytoplasm and nucleus

D. cytoplasm and vacuole

Use the following Classes of Arthropoda to answer the question below.
I. Crustacea
II. Insecta
III. Arachinda
IV. Chilopoda

Which members of the classes live mainly in an aquatic habitat?

A. I

B. II

C. III

D. IV

Which of the classes is characterized by the possession of two pairs of antennae?

A. I

B. II

C. III

D. IV

The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strands is

A. Volvox

B. Spirogyra

C. Paramecium

D. Euglena

The network of double membrane that conveys materials through the cytoplasm is the

A. plasma membrane

B. nuclear membrane

C. mitochondrion

D. endoplasmic reticulum

Food is stored in the part labeled
A. I
B. II
C. III
D. IV

A. stem tuber

B. bulb

C. stolon

D. runner

The plant is a

A. stem tuber

B. bulb

C. stolon

D. runner

The part labeled I is the

A. apical bud

B. scale leaf

C. adventitious root

D. fleshy leaf

Which of the following materials is not a living semi-permeable membrane?

A. pig's bladder

B. Unripe pawpaw fruit

C. Yam tuber

D. Sheet of cellophane

In an experiment, mould and yeast cells were transferred into an environment with low oxygen concentration. After a few days, the mould dies while the yeast cells did not. Which of the following statements best explains the following observation.

A. The yeast cells carried out photosynthesis while the mould did not

B. Photosynthesis does not take place in the absence of oxygen

C. Respiration can take place in yeast cells in the absence of oxygen

D. Respiration does not occur in the mould