CROP PRODUCTION III: HORTICULTURE (CRPS3204)
Biological Science - BS
Semester: Second Semester
Level: 300
Year: 2016
REPUBLIC OF CAMEROON THE UNIVERSITY OF BAMENDA
Peace-Work-Fatherland
P. O. BOX 39 Bambili
School/Faculty: _SCIENCE___ Department:_Biological Sciences Lecturer(s): _Dr
TAGHAM Course Code: _CRPS3204_______ Course Title: Crop production III,
Holticulture. Date: _11/07/2016_______Halls: _PBA07 ________Time: 3 HRS
Instructions: Answer all questions CHRONOLOGICALLY
Part I: (20 marks)
Instructions: For questions I. II, and III just use (the number and) the corresponding letter
I. Group the following words two by two.
a) Urochordata, b) Agnatha, c) Tunicates, d) Craniata, e) Monirhina, f) Vertebrata
II. Choose the correct answer
1. Epithelioneurian have: a) ventral nervous system; b) superficial nervous system; c) a and b
are true
2. Gnathostomata: a) with jaws; b) that eat less; c) without jaws; d) with more than one
nostrils; e) with a single nostril
III. Remove the intruder
3 a) Catadromous, b) holodromous, c) anadromous, d) diadromous.
4. a) Diphycercal, b) metacercal, c) heterocercal, d) homocercal.
5. a) Placoid, b) cycloid, c) granoid, d) ctenoid, e) ganoid.
6. a) Protopterus sp. b) Petromyzon marinus, c) Lepidosiren paradoxa, d) Neoceratodus sp.
(Dipneusti)
7. a) Carcharodon sp., b) Eptatretus stouti, c) Sphyma sp., d) Galeocerdo sp., e) Isurusi sp.
(sharks)
IV. Give the four main characteristics defining the phylum of Chordata
V. Give the evolution of the reproductive system in Pisces
VI. Which of the not extinct Pisces is the most evolved? Why?
VII. Give four evolution features within the grade Pisces
PART II (30 marks)
A-Instructions for multiple choice questions (15 marks): Right answer = 1 mark; Wrong
answer = - 0.5 mark; no answer = 0 mark. Write only the letter corresponding to the
correct answer
1-The main family in Urodela or Caudata order is: a) Bufonidae; b). Salamandridae; c)
Ranidae; d) Urodelidae.
2-conceming reproduction in Salamandridae family: a) 10% have internal fertilization; b)-
10% have external fertilization; c) 20% have internal fertilization; d) 20% have external
fertilization.
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3. The perennibranchiate condition occurs in: a),salamanders; b) frogs; c) toads; d) caecilians
4. Iridophore chromatophores of amphibian skin contain: a) red pigment; b) yellow pigment;
c) orange pigment; d) silvery pigment; e) melanin pigment
5. The rhombencephalon of amphibians is concerned with: a) sense of smell; b) vision; c)
hearing and balance; d) olfactory sense
6. The latent hermaphrodism is found in: a) Bufonidae; b) Salamandridae; c) Ranidae
d)_Amphiumidae.
7. The urinary bladder of amphibians is: a) a ventral outgrowth of cloaca; b) a ventral
outgrowth of rectum c) a ventral outgrowth of intestine; d) a ventral outgrowth of anus.
8. The phaneria found on amphibian skin are: a) scales; b) hairs; c) feathers; d) glandular
glands; d) none above.
9. In caecilian amphibians some species are viviparous and embryo obtains nourishment
from: a) wall of ovary b) wall of uterus; c) wall of vagina; d) placenta
10. The tortoises have: a) two pairs of fenestrations; b) no fenestration; c) one pair of
fenestrations; d) three pairs of fenestrations.
11. The most typical pattern of movement during locomotion is: a) lateral undulation; b)
concertina movement; c) rectilinear movement; d) concertina undulation.
12. The locomotive appendages of terrestrial vertebrates are called: a) pterygia; b) tetrapods;
c) chiridia; d) pterygia or chiridia.
13. The two evolved features that would be important for permitting the subsequent evolution
for life on land by some primarily aquatic vertebrates are: a) gills and lungs; b) gills and fins;
c) lungs and limbs; d) gills and limbs.
14. The major element that distinguishes the reptiles, birds and mammals from other
vertebrates is: a) presence of lungs; b) presence of limbs; c) anamniotic egg; d) amniotic egg.
15. Under normal conditions when lung breathing of amphibians predominates, carbon
dioxide is lost primarily: a)-across the lungs: b) across the skin; c) across the mouth; d) across
the lungs and skin.
B-Copy and complete the following table: 10 marks
characters
species
Common characters (fours)
Specific character (one for
each species)
Pseudotollthus tvpus
Bufo maculatus
Hemidactylus niabuia
Gallus gallus
Cavia porcellus
C- Draw and annotate the digestive system of a domestic hen 5 marks
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PART III (20 MARKS)
1) List 3 characteristics exclusive to
a- Mammals …………………………………………………………………………………..
b-Birds………………………………………………………………………………… 6mks
2) List 4 adaptations of birds to flight ……………………………………………………4mks
3) In a tabular form, give the different adaptations of the digestive systems of carnivores and
herbivores 4mks
4) a-Based on their pattern of development, mammals are grouped into 3.
Name them and give an example of each group ……………………………. 3 mks
b) How do mammals ensure parental care? ………………………………………..3 mks
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