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Questions and Answers
An acid contains C, H, and O atoms. On combustion analysis, 0.454 g of the acid gives 0.418 g of H2O and 1.023 g of CO2. What is the empirical formula of the acid?
An acid contains C, H, and O atoms. On combustion analysis, 0.454 g of the acid gives 0.418 g of H2O and 1.023 g of CO2. What is the empirical formula of the acid?
- C5H8O
- C4H5O2
- C3H6O (correct)
- CH2O
Ethylbutyrate is responsible for the odor of pineapple. Which one of the following is the structure of ethyl butyrate?
Ethylbutyrate is responsible for the odor of pineapple. Which one of the following is the structure of ethyl butyrate?
- Structure C
- Structure D
- Structure B (correct)
- Structure A
If the blood groups of mother and father are AB and O, respectively, what are the blood groups possible for their child?
If the blood groups of mother and father are AB and O, respectively, what are the blood groups possible for their child?
- AB
- AB or A
- AB, A, B or O
- A or B (correct)
Which one of the following features distinguishes between gymnosperms and angiosperms?
Which one of the following features distinguishes between gymnosperms and angiosperms?
Ecosystem ecology is the study of
Ecosystem ecology is the study of
Bacterial strains that do not grow in the absence of a specific nutrient are called
Bacterial strains that do not grow in the absence of a specific nutrient are called
The type of immunological protection provided by plasma therapy is
The type of immunological protection provided by plasma therapy is
Which one of the following components of the bacterial cell acts as an endotoxin?
Which one of the following components of the bacterial cell acts as an endotoxin?
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Study Notes
Examination Structure
- Duration: 3 hours for the examination.
- Total questions: 60, carrying 100 marks.
- Paper divided into three compulsory sections: A, B, and C.
Section A: Multiple Choice Questions (MCQ)
- Contains 30 MCQs, totaling 50 marks.
- Questions 1-10: 1 mark each; Questions 11-30: 2 marks each.
- Negative marking for wrong answers:
- 1 mark questions: deduct 1/3 mark for incorrect answers.
- 2 mark questions: deduct 2/3 mark for incorrect answers.
Section B: Multiple Select Questions (MSQ)
- Comprises 10 MSQs, totaling 20 marks.
- Each MSQ may have one or more correct answers.
- Full credit awarded only if all correct answers are selected, with no penalty for incorrect selections.
Section C: Numerical Answer Type (NAT)
- Contains 20 NAT questions, totaling 30 marks.
- Responses are real numbers entered via virtual keyboard.
- No choices are provided; questions 41-50 carry 1 mark each, and questions 51-60 carry 2 marks each.
- No negative marking for incorrect answers.
Examination Conditions
- Only a Virtual Scientific Calculator is permitted.
- Prohibited items: charts, graph sheets, tables, cell phones, or other electronic devices.
- Rough work can be performed on a provided Scribble Pad.
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