43
The caste of termites that lacks pigmentation is the
- A. King
- B. worker
- C. soldier
- D. queen
44
The ability of the cockroach to live in cracks and crevices is enhanced by the possession of
- A. wings and segmented body
- B. compound eyes
- C. claws on the leg
- D. dorso-ventrally flattened body
45
The special name of the part labelled II is
- A. gametangium
- B. hypha
- C. suspensor
- D. zygospore
46
The structure labelled I is formed as a result of the fusion of
- A. two pairs of nuclei
- B. several pairs of nuclei
- C. a pair of nuclei
- D. two pairs of nucleoli
47
In snails, the hard calcareous shells are secreted by the
- A. radula
- B. ctenidium
- C. pneumostome
- D. mantle
48
The natural tendency of organisms as they evolve is to
- A. decrease in size
- B. increase in number
- C. develop specialize structure
- D. feed indiscriminately
49
The procaryotic cell type is characterized by a
- A. complex cytoplasm in which different regions are poorly defined
- B. localization of different regions of the cell into tissues
- C. collection of organelles and macromolecular complexes
- D. simple cytoplasm with well defined regions
50
The nucleus is considered the central organelle of a cell because it
- A. contains the genetic material
- B. contains the nuclear sap
- C. is bounded by the nuclear membrane
- D. is located at the center of the cell