Uploaded by Malik Hany Aboelhamd Abdelrahman

G9-BIO-WS- term2(2023-24) 041312

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2nd TERM Worksheet (2023-2024)
SUBJECT
GRADE
BIOLOGY
9
DATE:
NAME:
I.
Fill in the blanks:-
1. There are ________ different amino acids in animal proteins.
2. The
organelles
which
contain
this
green
colour
are
called
___________________.
3. Plants producs ________________ gas during darkness.
4. Small molecules of digested food like glucose and amino acids are absorbed
into the blood through the part of the small intestine called the
___________________.
II.
Choose the correct option for each of the following question.
5. Have four or five cusps; have two or three roots
a.
Incisor
b. Canine
c.
premolar
d. Molar
(
)
6. The tooth above the gum is covered by a very hard layer of ________.
a.
Carbon
b. enamel
(
)
c.
gold
d. silver
7.
a.
b.
c.
d.
How do bile salts help with digestion?
They break large droplets of fat into small ones.
They contain lipase, which digests fats.
They kill bacteria in the food.
They provide an acidic environment.
(
)
2ND TERM EXAM 2023-2024
1
8. The diagram shows a section through a leaf
Which parts provide water for the leaf and release most water from the leaf?
a. Q and R
b. P and S
c. R and S
d. R and P
9. Identify the source of calcium.
a.
b.
c.
d.
(
)
Cheese
Milk
Hard water
All of the above
10. Which nutrients are digested in the mouth and stomach?
a. A
b. B
c. C
d. D
2ND TERM EXAM 2023-2024
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11. What are peptides?
_________________________________________________________________
_________________________________________________________________
12. What is balanced diet?
________________________________________________________________
________________________________________________________________
________________________________________________________________
13. For each type of molecule shown, use words from the list to complete the
table to show the type of enzyme that digests it and the products of
digestion.
Structure
Type of
Enzyme
Product of
molecules
digestion
A.
Protein
B.
Starch
14. Write down a short note on Xylem.
________________________________________________________________
________________________________________________________________
________________________________________________________________
15. Write down the functions of stomata.
________________________________________________________________
________________________________________________________________
________________________________________________________________
16. What are diseases caused by Vitamin C.
________________________________________________________________
________________________________________________________________
________________________________________________________________
2ND TERM EXAM 2023-2024
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17. In the graph below graph showing the average daily change in the carbon
dioxide concentration 1 meter above an agricultural crop during the summer.
Using your knowledge of photosynthesis and respiration, explain the changes in
the carbon dioxide concentration.
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
________________________________________________________________
All the best for your exam
Important Note:
Go through all the diagram and labels.
Go through all the chapters (according to portion) and tables, graphs for definitions /
uses etc for fill in the blanks, match the following, one mark answers etc.
Go through all the mid of the chapter question answers and end of the chapter
question answers (Exam-style questions).
2ND TERM EXAM 2023-2024
4
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