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❓‼️ ten essential multiple-choice questions along with their answers on Biology:

1. Which of the following structures is responsible for protein synthesis in a cell?
   A) Mitochondria 
   B) Ribosomes 
   C) Nucleus 
   D) Golgi apparatus 
   Answer: B) Ribosomes

2. What is the primary function of the mitochondria?
   A) Photosynthesis 
   B) Cellular respiration 
   C) Protein synthesis 
   D) Lipid storage 
   Answer: B) Cellular respiration

3. Which process describes the movement of water across a selectively permeable membrane?
   A) Active transport 
   B) Diffusion 
   C) Osmosis 
   D) Endocytosis 
   Answer: C) Osmosis

4. In genetics, what is the term for an organism's genetic makeup?
   A) Phenotype 
   B) Genotype 
   C) Allele 
   D) Locus 
   Answer: B) Genotype

5. What is the role of chlorophyll in photosynthesis?
   A) To absorb carbon dioxide 
   B) To capture light energy 
   C) To produce glucose 
   D) To release oxygen 
   Answer: B) To capture light energy

6. Which of the following best describes natural selection?
   A) The process by which organisms evolve through random mutations. 
   B) The survival and reproduction of individuals best suited to their environment. 
   C) The introduction of new species into an ecosystem. 
   D) The extinction of all members of a species. 
   Answer: B) The survival and reproduction of individuals best suited to their environment.

7. What is the primary purpose of meiosis?
   A) To produce identical daughter cells. 
   B) To repair damaged tissues. 
   C) To create gametes for sexual reproduction. 
   D) To synthesize proteins. 
   Answer: C) To create gametes for sexual reproduction.

8. Which part of the brain is primarily responsible for regulating homeostasis?
   A) Cerebrum 
   B) Cerebellum 
   C) Hypothalamus 
   D) Brainstem 
   Answer: C) Hypothalamus

9. Which macromolecule serves as the primary source of energy for living organisms?
   A) Proteins 
   B) Nucleic acids 
   C) Carbohydrates 
   D) Lipids 
   Answer: C) Carbohydrates

10. What is the function of DNA polymerase during DNA replication?
    A) To unwind the DNA double helix. 
    B) To synthesize RNA primers. 
    C) To add nucleotides to the growing DNA strand. 
    D) To proofread the DNA sequence. 
    Answer: C) To add nucleotides to the growing DNA strand.

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1. What is the number of protons in an atom of oxygen (O)?
  (a) 6
  (b) 8
  (c) 16
  (d) 18

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#Update

የ12ኛ ክፍል ሀገር አቀፍ ፈተና ምዝገባ ጥር 6/2017 ዓ.ም ከቀኑ 10፡00 ሰዓት ላይ እንደሚጠናቀቅ የትምህርት ምዘናና ፈተናዎች አገልግሎት አሳውቋል።

ስለሆነም ምዝገባ ያላጠናቀቃችሁ ተማሪዎች ከቀነ ገደቡ አስቀድማችሁ እንድታጠናቅቁ አገልግሎቱ አሳስቧል።

አገልግሎቱ የ2017 ዓ.ም ፈተናዎች ይዘትን በተመለከተ ባስተላለፈው መልዕክት፤ የሀገር አቀፍ 12ኛ ክፍል ፈተና በአጠቃላይ ከ 9-12ኛ ክፍሎች እንዲሁም የ8ኛ ክፍል ክልላዊ ፈተና ከ7-8ኛ ክፍሎች እንደሚሸፍን ገልጿል።

ተማሪዎች በተማሩበት የክፍል ደረጀ የተማሪ መጽሐፍን መሠረት አድርገው ሊዘጋጁ እንደሚገባ አገልግሎቱ ጠቁሟል።

Which word is the closest synonym for "Diligent"?

a) Lazy
b) Hardworking
c) Intelligent
d) Careless

Which of the following is the genetic material in all living organisms?

(a) RNA
(b) DNA
(c) Protein
(d) Carbohydrate