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2.7 Explain the advantages of sexual reproduction of flowering plants (4)

2.4 Fertilisation occurs at C as shown in Fig 2.1. Describe what happens at fertilisation in flowering plants. (2)

INSTRUCTIONS   1. All work must be your own.   2. Make sure your read the questions carefully and use biological terminology.   3. Keep an eye on the time.  

Accumulation of interstitial fluid is called?

1.1 Define the term Drug? (1)

3. Complete the fractions.  Redraw the sums on your page. [3]  

INSTRUCTIONS   1. All work must be your own.   2. Use Biological Terminology.   3. Keep an eye on the time.      

Renal clearance is used to estimate_______________

Critical thinking question: In this blood sample it was found: elevated arterial PCO2 level and a low blood pH. Determine the acid-base imbalance.