BIOLOGY TEST
MULTIPLE CHOICE
1.
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THE CORRECT ORDER FOR THE LABELS IN RELATION TO THE NUMBERS
ON THE TABLE ARE:
A)1. cholesterol 2. protein channel 3. hydrophilic 4. phospholipids 5. hydrophobic 6. glycolipid 7. glycoprotein 8. carbohydrate
C) 1. Cholesterol 2. protein 3. hydrophobic 4. phospholipids 5. hydrophilic 6. glycolipid 7. glycoprotein 8. carbohydrate
B) 1. cholesterol 2. protein 3.hydrophobic 4.phospholipid 5. hydrophilic 6. glycoprotein 7. glycolipid 8. carbohydrate
D) 1. cholesterol 2. protein channel 3. hydrophobic 4.phospholipid bi-layer 5. hydrophilic 6. glycoprotein 7. glycolipid 8. carbohydrate
2. WHICH PLANT HORMONE IS PRODUCED IN PLANT ROOTS?
A) Auxin
B) Cytokinins
C) Gibberellins
D) Abscisic Acid
E) Ethylene
3. CHOOSE THE MOSTCORRECT TATEMENT RELATING TO
PHOTOCROMES.
A) photocromes are enzymes that are present in all organisms
B) red light converts Pr

Pfr permanently
C) Pfr is thought to be the active from that switches on genes
D) red light converts Pfr

Pr and far light converts Pr back to Pfr
4. WICH STATEMENT IS INCORRECT
A) positive feedback increases the stimulus

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B) negative feedback decreases the stimulus
C)
D)
5. HORMONES ARE RELEASED INTO THE BLOODSTREEM VIA:
A) nerves
B) food consumed
C) glands
D) muscles
6. THE KEY STRUCTURES REGULATING WATER AND CARBON DIOXIE IN
PLANTS ARE:
A) stroma and guard cells
B) stomata and guard cells
C) stroma and chloroplast
D) stomata and chloroplast
7.
 found in fish gills and seal fins
 blood vessels in close proximity
 allows certain animals to retain heat in cold conditions
THE ABOVE DESCRIBES:
A) hibernation
B) endotherm
C) counter-current exchange
D) vasoconstriction
8. WHICH PROCESS INVOLVES K+ IONS BEING TRANSPORTED INTO A
CELL IN ORDER FOR WATER TO FOLLOW IT DUE TO LOW CONCENTRAIN
OF FREE WATER MOLECULES.
A) water and carbon dioxide regulation
B) respiration
C) photosynthesis
D) plant growth
9. mature onset diabetes is caused by the body’s inability to to respond to insulin and they are there for unable to regulate blood sugar levels.
SELECT THE MOST INEFFECTIVE MAINTENANCE DEVICE FOR PATIENT
SUFFERING FROM MATURE ONSET DIABETES
A)
B)
C)
D)
10. HYPERTONIC IS:

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A) more solute dissolved inside the cell then outside
B) more free water molecule outside the cell then inside
C) there are the same amount of free water molecules inside the cell and outside
D) more free water molecules inside the cell then outside
11.
THE ABOVE IS AN EXAMPLE OF:
A) transcription
B) mutation
C) translation
D) gene manipulation
12.THE RESYNTHESIS OF ADP INTO ATP CAN BE CLASSED AS:
A) exergonic and catabolic
B) endocytotic and catabolic
C) endergonic and anabolic
D) catabolic and anabolic
13. WHICH BASE UNIT AND POLYMER PAIR IS CORRECT
A) glycogen and glycerol
B) triglyceride and nucleic acid
C) protein and amino acid
D) glucose and starch
14. THE GENERAL TERM FOR DIRECTIONAL PLANT GROWTH IS:
A) photosynthesis
B) respiration
C) tropism
D) dormancy
15. ENZYMES ARE:
A) proteins
B) steroids
C) lipids
D) cholesterol
(15 x 1 mark)

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SHORT ANSWER
1. FILL IN THE TABLE
CARBOHYDRATES LIPIDS PROTEINS NUCLEIC
ELEMENTS
ACIDS
BASIC UNIT
EXAMPLES
FUNCTION/
USE
(8 x 2 marks)
2. DEFINE EACH OF THE FOLLOWING TERMS
1. endocytosis:
_____________________________________________________________________
_____________________________________________________________________
2. phagocytosis:
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3. receptor mediated exocytosis:
_____________________________________________________________________
_____________________________________________________________________
4. pinocytosis:
_____________________________________________________________________
_____________________________________________________________________
5. exocytosis:
_____________________________________________________________________
_____________________________________________________________________
(5 x 1 mark)
B) DRAW A LABELLED DIAGRAM OF PHAGOCYTOSIS (3 marks)

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3. A PATIENT SUFFERING FROM MATURE ONSET DIABETES’ BODY
LACKS THE ABILITY TO INSULIN.
A) WHAT IS THE PROCESS OF REGULATION OF BODY SYSTEMS
CALLED?
____________________________________________________________
(1 mark)
B) WHICH MESSENGER SYSTEM DOES IT INVOLVE?
____________________________________________________________
(1 mark)
C) FILL IN THE TABLE IN RELATION TO GLUCOSE REGULATION
STIMULUS RECEPTOR TARGET RESPONSE EFFECT
CELLS
(1 x 5 marks)
D) LIST 3 OTHER NEGATIVE FEEDBACK STIMULUSES
1.______________________________________
2.______________________________________
3.______________________________________
(3 x 1 mark)
4.

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DESCRIBE THE BOVE STRUCTURES, THEIR FUNCTIONS AND ALL
PROCESSES INVOLVED:
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
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_____________________________________________________________________
_____________________________________________________________________
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_____________________________________________________________________
_____________________________________________________________________
(10 marks)
5.
A) NAME THE RESPONSE FOR DIRECTIONAL GROWTH OF PLANTS
_______________________________________________________________
(1 mark)
B) WHICH PLANT HORMONE IS RESPONSIBLE FOR THIS?
________________________________________________________________
(1 mark)
C) WHAT EFFECT DOES THIS HORMONE, ASWELL AS GRAVITY HAVE
ON THE PLANT IN ORDER TO CAUSE THE EFFECT DISPLAYED IN
THE ABOVE PICTURE?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
(3 MARKS)
NAME THE FOUR MAJOR PLANT HORMONES AND THEIR FUNCTIONS:

BIOLOGY TEST
HORMONE
FUNCTIONS
(4 x 1mark)
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