1963
Zoo
Ordy
SCOTTISH CERTIFICATE OF EDUCATION
SCIENCE
Zoology
Ordinary Grade
Wednesday, 1st May—1.30 p.m. to 4 p.m.
Answer any FIVE questions.
Answers should be illustrated by labelled diagrams of
reasonable size wherever these help to clarify the
answers.
Marks may be deducted for bad spelling and bad
punctuation, and for writing that is difficult to read.
The value attached to each question, or to each part of
a question, is shown in the margin.
Marks
!• Draw a large labelled diagram of Amoeba. Describe how this animal performs
the activities characteristic of living organisms. How does it survive if its
habitat dries up ? (20)
2. Why is Hydra regarded as a very simple animal ? (4)
What functions are performed by the tentacles of Hydra ? Draw and label a
diagram to show the structure of one of these tentacles. How does their
structure enable them to carry out their functions ? (16)
2' Select one of the following groups:—
birds of a specified habitat, e.g. seashore, town;
invertebrates of a garden;
pond insects;
animals of a rock pool.
Describe the appearance and habits, as observed by you during your field
u ies, of any four examples from your chosen group. (20)
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