Name: _______________________________
BIOLOGY TEST – TOPIC: RESPIRATION
1. Define aerobic respiration: __________________________________________________________
_____________________________________________________________________________ (3)
2. Define anaerobic respiration: ________________________________________________________
_____________________________________________________________________________ (3)
3. What does ATP stand for? ________________________________________________________ (3)
4. What does NADH stand for _______________________________________________________ (3)
5. What is the term used to describe stage I of respiration? ________________________________ (3)
6. Where in the cell does the stage I respiration occur? ___________________________________ (3)
7. Describe briefly, using illustration or otherwise, the first stage of respiration: (include how many
ATP and NADH molecules are produced) (15 marks)
8. In an animal cell, name the process that occurs after stage I of respiration if there is no oxygen
present: ____________________________ (3)
9. Name the end-product of the above-named process: ___________________ (3)
10. If there is oxygen present, the products go onto take part in a completely different process called:
____________ _____________ (3)
11. How many of the above-named processes occur for every glucose molecule metabolised?
________________ (3)
12. Taking into account your answer to question 11, how many ATP molecules are directly synthesised
from this second stage of respiration? ___________ (3)
13. Still taking into account your answer to question 11, how many NADH molecules are synthesised
from stage 2? _________________ (3)
14. Complete the following diagram in relation to stage II of respiration:
Pyruvate (C3)
NADH
Acetyl coenzyme A (C2)
CO2
NAD+
2NAD+
C5
15. Oxidative phosphorylation, the final stage of respiration, is the process whereby many ATP
molecules are produced. From what are ATP molecules synthesised from? __________________
and _________________ (3)
16. What molecule is required to drive the synthesis of ATP? ______________ (3)
17. How many ATP molecules are synthesised from one of the above-mentioned molecule?
__________ (3)
18. How many ATP molecules are synthesised from aerobic respiration in total? _____________ (3)