Ambo Ifa Boru

✅Answers For Above Questions ☝️☝️☝️☝️☝️


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የአዲስ አበባ ከተማ ፣ የአራዳ ክ/ከተማ የሶሻሎች 2016ዓም 2ኛ ሴሚስተር ሞዴል ፈተና ⬇️፡፡ መልሶቹን ኮሜንት ላይ አስቀምጠናል፡፡

English እና SAT ከናቹራሎች ጋር አንድ አይነት ነው፡፡


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Unit Four: Genetics - Multiple Choice Questions

1. What is the genetic material that carries hereditary information in living organisms?
A) Proteins
B) Carbohydrates
C) DNA
D) Lipids

2. Which of the following represents the structure that carries genetic information in the form of genes?
A) Ribosome
B) Mitochondria
C) Nucleus
D) Golgi apparatus

3. Which process involves the separation of replicated chromosomes into two identical sets during cell division?
A) Transcription
B) Translation
C) DNA replication
D) Mitosis

4. Mendelian inheritance is based on the principles established by which scientist?
A) Gregor Mendel
B) Charles Darwin
C) Louis Pasteur
D) Alexander Fleming

5. In a Mendelian cross, if a dominant trait is represented by "A" and a recessive trait by "a," what would the genotype be for a heterozygous individual?
A) AA
B) Aa
C) aa
D) None of the above

6. What determines the sex of an individual in humans?
A) Number of chromosomes
B) Presence of specific genes
C) Hormonal balance
D) Environmental factors

7. Which type of inheritance involves traits that are controlled by multiple genes?
A) Mendelian
B) Non-Mendelian
C) Polygenic
D) Sex-linked

8. What is the purpose of genetic testing and counseling?
A) To alter genetic material
B) To prevent genetic disorders
C) To enhance physical traits
D) To modify gene expression

9. Which branch of biology focuses on the study of genetic disorders and their treatment?
A) Biochemistry
B) Genetics
C) Ecology
D) Zoology

10. What is the term used to describe the process of introducing genes into an individual to treat a genetic disorder?
A) Gene splicing
B) Gene therapy
C) Gene mapping
D) Gene editing




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Multiple Choice Questions on Chemical Equilibrium

1. In a reversible reaction, when the rate of the forward reaction equals the rate of the reverse reaction, the system is said to be in:

A. Dynamic equilibrium
B. Irreversible equilibrium
C. Static equilibrium
D. Unstable equilibrium

2.Which of the following factors does NOT affect the position of chemical equilibrium?

A. Temperature
B. Pressure
C. Catalyst
D. Concentration of reactants and products

3. The equilibrium constant expression (Kc) for the reaction: 2A + 3B ⇌ C + D is:

A. [C][D] / [A]^2[B]^3
B. [A]^2[B]^3 / [C][D]
C. [A]^3[B]^2 / [C][D]
D. [C][D] / [A][B]

4. Le Chatelier's Principle states that if a stress is applied to a system at equilibrium, the system will respond by:

A. Increasing the stress
B. Decreasing the stress
C. Neutralizing the stress
D. Restoring equilibrium by shifting the reaction in a direction that reduces the stress

5. Which of the following is NOT a common term used in phase equilibrium?

A. Component
B. Phase
C. Molecule
D. Degree of freedom

6. The phase rule helps in determining the number of:

A. Molecules in a system
B. Components, phases, and degrees of freedom in a system
C. Moles of reactants in a reaction
D. Equilibrium constants in a reaction

7. A system at equilibrium is characterized by:

A. Constant concentrations of reactants and products
B. Constant temperature only
C. Constant pressure only
D. Constant volume only

8. The equilibrium constant (Kc) is a ratio of:

A. Concentration of products to reactants at equilibrium
B. Rate of forward reaction to rate of reverse reaction
C. Number of moles of products to reactants
D. Temperature of the reaction system

9. Which of the following is NOT a condition for the attainment of chemical equilibrium?

A. Closed system
B. Reversible reaction
C. Constant temperature
D. Excess reactants

10. The equilibrium constant (Kc) for a reaction is affected by changes in:

A. Catalyst concentration
B. Temperature
C. Volume of the container
D. Presence of impurities in the reactants


Everyone Comment Your Answers and Correct others answer on comment if you find any wrong answers.


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