Part 1) Choose the correct answer from the given alternatives (1.p0)

1. Which of the

following steps in the scientific

method comes following observation? D. Theory

A. Prediction B. Hypothesis C. Experiment 2. Which of the following factors determines the rate at which organelles settle out of cell

homogenate if spun in a centrifuge?

A Thickness of the membrane covering the organelle

B. Function of the organelle in the cell. C. Location of the organelle in the cell.

D. Mass of the organelle.

3. Which of the following has consistent with science?

A. Proof by investigation of the causes of a phenomenon

B. Proof by reference to an unknown object C. Proof by reference to a respected leader

D. Proof based on lessons from a person one believes

4. Dog is animal. Animals are mortal. So, all animals are mortal. This is best example for

A. Deductive reasoning B. Inductive reasoning 5. Which one of the following is incorrect?

.

Conclusion

D. All

A. The shorter wavelengths of electrons have lesser resolving power

B. The shorter wavelengths of electrons have greater resolving power C. There is inverse relation between wavelength and resolving power.

D. B and C are answers One of the following is

6.

not the components of industrial fermenter?

A. an oxygen supplies

C. a water heating jacket D. measuring instruments

B. a stirrer

7. is a collection and correction of defected gene that has been diagnosed in a child embryo.

A. Gene therapy 8. Mycoprotein is

B. Molecular Diagnosis

C. Genetic engineering

D. Genetic disorder

A. Protein from algae B. Protein from fungus C. Protein from bacteria D. Protein from yeast

9. Which of the following is/are the ultimate composition of biogas? C. Hydrogen sulphide

A. Carbon dioxide B. Water 10. Which one of the following is odd

D. Methane

E. All

?

A.

Production of alcoholic E. Nome

drink

B. Production of injera

C. Energy production

D. All

11. All are the application of agricultural biotechnology, except:

A. Advancing B. Diverging nutritional value 12. Which of the following statements about genetic engineering is not true?

growth of plants/animals C. Stunting life span of plants/animals

D. All except A

A. It is used to change an organism and give it new characteristics that people want.

B. It involves changing the genetic material of an organism.

C. It can be used to produce crops that are resistant to disease.

D. It can only be used in plants, not in animals.

Part 1:

1. The correct answer is B. Hypothesis.
2. The correct answer is D. Mass of the organelle.
3. The correct answer is A. Proof by investigation of the causes of a phenomenon.
4. The correct answer is A. Deductive reasoning.
5. The correct answer is B. The shorter wavelengths of electrons have greater resolving power.
6. The correct answer is D. measuring instruments.
7. The correct answer is A. Gene therapy.
8. The correct answer is B. Protein from fungus.
9. The correct answer is E. All.
10. The correct answer is E. None.
11. The correct answer is D. All.
12. The correct answer is D. All except A.