 |
PTS62S - PLANT STUDIES - 2ND OPP - JAN 2023 |
|
|
1 Page 1 |
▲back to top |
(
nAm I BI A un IVERSITY
OF SCIEn CE Ano TECHn OLOGY
FACULTYOF HEALTH,APPLIEDSCIENCESAND NATURALRESOURCES
DEPARTMENTOF AGRICULTUREAND NATURALRESOURCESSCIENCES
QUALIFICATION:BACHELOROF NATURALRESOURCESMANAGEMENT
QUALIFICATIONCODE: 07BNRS
COURSECODE: PTS620S
LEVEL: 7
COURSENAME: PLANTSTUDIES1
DATE:JANUARY2023
DURATION: 2 HOURS
MARKS: 100
SECONDOPPORTUNITY/ SUPPLEMENTARYEXAMINATION QUESTION PAPER
EXAMINER(S) Dr. Jonathan M. Kamwi
MODERATOR: Mrs. Louise Theron
INSTRUCTIONS
1. Answer all questions.
THIS QUESTION PAPERCONSISTSOF 2 PAGES(Excluding this front page)
|
|
2 Page 2 |
▲back to top |
\\.
Question 1
Give the occurrence of bryophytes.
(4]
Question 2
Describe alternation of generation.
[5]
Question 3
Give two differences between bryophytes and pteridophytes.
(4]
Question 4
How are male and female sex organs in Bryophytes called?
[2]
Question 5
How far does Selaginella fall short of seed habit?
[2]
Question 6
Describe the life cycle of a plant.
[5]
Question 7
What is mean by double fertilization?
[5]
Question 8
If the meristem of a plant is damaged, will the plant die? Why or why not?
(4]
Question 9
What is the difference between a Dicot and a Monocot root system and why would this benefit a Dicot [4]
or Monocot?
Question 10
Briefly discuss the adaptation of Zygophyllum stapffii in the Central Namib vegetation zone.
[4]
Question 11
Describe the process called capillary rise for plants.
(4]
Question 12
What is seed dormancy? Outline the types of seed dormancies studied.
(10]
Question 13
Describe the process of leaf abscission.
[6]
Question 14
Draw the full structure of a leaf with labels, and show its attachment to a twig or branch.
(10]
Question 15
Label leaf types, 25-34.
I
Iw2·IW, mw\\ r! I
\\i/ [
25
26
/ I\\ . \\
/TI\\ J ! ; 1)
2s
29 _
:\\
I\\
cr:i ·'.-)
I
r i •
I
:/
31
J __32 • 33 34
(10]
|
|
3 Page 3 |
▲back to top |
Question 16
Characters of plants can be reproductive, vegetative, diagnostic or distinguishing. What does that [4]
mean?
Question 17
Plant distribution can be cosmopolitan, endemic or disjunct. What does that mean?
[3]
Question 18
Label the vegetation zones, 1-14.
[14]
' BOTSWANA
·!
-i:
:.:.;
-··-,·---··--· --,
•1
!!I!-,:j
• ··-·--
·-------····----··-
>-···
;:;
1
•
.
~,==i"-,f".=1,.,··-·-!"'··..JW-»J-
Se;>lo1 : 8,000,000
2