Which of the following is NOT a component of a cell?
གཤམ་དུ་ཡོད་པའི་ནང་ནས་ཕྲ་ཕུང་གི་ཆ་ཤས་མིན་པ་གང་རེད།
A) Nucleus ལྟེ་སྙིང་།
B) Mitochondria ནུས་སྐྱེས་དབང་ཕྲ།
C) Ribosome རའི་བྷོ་ཕྲ་གཟུགས།
D) Bone རུས་པ།
རུས་པ། Bone.
Which of the following is considered a macromolecule in living organisms?
གཤམ་གྱི་འདམ་ཀའི་ནང་ནས་གང་ཞིག་ལ་སྲོག་ལྡན་སྐྱེས་དངོས་ཀྱི་འདུས་རྡུལ་ཆེན་མོ་ཞེས་བརྗོད་ཀྱི་ཡོད་དམ།
A) Water (H₂O)
B) Glucose (C₆H₁₂O₆)
C) DNA
D) Carbon Dioxide (CO₂)
Correct Answer: C) DNA
1. What is evolution?
འཕེལ་འགྱུར་ཞེར་ན་གང་རེད།
A) A sudden change in an individual's body.
B) The process by which species change over time.
C) The creation of new species overnight.
D) A theory that organisms never change.
Correct Answer:
B) The process by which species change over time.
1. What is growth in biology?
འཚར་སྐྱེས་ཞེས་པ་གང་ཡིན།
A) Increase in the size and number of cells in an organism.
B) The ability to move.
C) The process of photosynthesis.
D) The ability to communicate.
Correct Answer:
A) Increase in the size and number of cells in an organism.
4. What are antibodies?
A) Special proteins that help in digestion.
B) Proteins produced by the immune system to neutralize harmful pathogens.
C) Cells that store fat.
D) Cells that transport oxygen.
Correct Answer:
B) Proteins produced by the immune system to neutralize harmful pathogens.
2. What is the powerhouse of the cell?
གཤམ་དུ་ཡོད་པའི་ནང་ནས་ནུས་པ་བཟོ་བསྐྲུན་གྱི་ཁང་པ་གང་ཡིན།
A) Nucleus ལྟེ་སྙིང་།
B) Mitochondria ནུས་སྐྱེས་དབང་ཕྲ།
C) Ribosome རཻ་སྦོ་ཕྲ་གཟུགས།
D) Golgi apparatus སྒོལ་གཟུགས།
Answer: B) Mitochondria
ནུས་སྐྱེས་དབང་ཕྲ།
Which of the following is a primary building block of proteins?
སྤྲི་རྫས་ཀྱི་གཞི་རྩའི་གྲུབ་ཆ་གང་རེད་དམ།
A) Fatty acids
B) Amino acids
C) Glucose
D) Nucleotides
Correct Answer: B) Amino acids
ཨེ་མི་ནོ་སྐྱུར་རྫས།
Who is known as the "father of evolution"?
A) Isaac Newton
B) Albert Einstein
C) Charles Darwin
D) Galileo Galilei
Correct Answer:
C) Charles Darwin
4. What is asexual reproduction?
ཁམས་བྲལ་གྱི་སྐྱེས་འཕེལ་ཞེས་པ་གང་ཡིན།་
A) When offspring are produced by two parents.
B) When offspring are produced by only one parent.
C) When offspring are produced without using energy.
D) When offspring are identical to their parents.
Correct Answer:
B) When offspring are produced by only one parent.
Which organ is considered the first line of defense in the immune system?
A) The heart
B) The skin
C) The brain
D) The liver
Correct Answer:
B) The skin
What is the primary function of red blood cells?
ཁྲག་ཕུང་དམར་པོའི་ལས་གནས་གལ་ཆེ་ཤོས་དེ་གང་ཡིན།
A) Fighting infections གཉན་ཁ་འཇོམས་ཡ།
B) Carrying oxygen འཚོ་རླུང་འདྲེན་པ།
C) Producing energy ནུས་པ་བསྐྲུན་པ།
D) Storing fat ཚིལ་ལུ་ཉར་བ།
Answer: B) Carrying oxygen
འཚོ་རླུང་འདྲེན་པ།
Which of the following elements is most abundant in organic molecules?
སྐྱེས་ལྡན་འདུས་རྡུལ་ནང་གཤམ་དུ་ཡོད་པའི་རྩ་རྫས་ཀྱི་ནང་ནས་འབེལ་ཤོས་གང་རེད་དམ།
A) Helium
B) Carbon
C) Sodium
D) Iron
Correct Answer: B) Carbon
ཁར་སྦོན། ནག་རྫས།
What is the name of Darwin's famous book on evolution?
A) "The Theory of Gravity"
B) "Origin of Species"
C) "The Laws of Motion"
D) "Evolution of Earth"
Correct Answer:
B) "Origin of Species"
5. Which of the following is an example of asexual reproduction?
ཁམས་བྲལ་འཚར་འཕེལ་གྱི་དཔེ་མཚོག་གཤམ་དུ་ཡོད་པ་དེ་དག་ནས་གང་ཡིན།
A) A human baby being born.
B) A fish laying eggs.
C) A bacteria dividing into two identical cells.
D) A plant producing seeds through pollination.
Correct Answer:
C) A bacteria dividing into two identical cells.
What do T-cells do in the immune system?
A) Help the body digest food.
B) Produce antibodies.
C) Attack and destroy infected or cancerous cells.
D) Store energy for later use.
Correct Answer:
C) Attack and destroy infected or cancerous cells.
Which organelle is responsible for protein synthesis?
སྤྲིན་རྫས་སྦྱོར་སྡེབས་དེ་དབང་ཕྲ་གང་གི་ལས་འགན་ཆགས་ཡོད།
A) Lysosome འབྱེད་གཟུགས།
B) Nucleus ལྟེ་ཉིང་།
C) Ribosome རཻ་སྦོ་ཕྲ་གཟུགས།
D) Vacuole སྦུག་སྟོང་།
Answer: C) Ribosome, རཻ་སྦོ་ཕྲ་གཟུགས།
Which of the following is an example of a molecule with a carbon backbone?
A) Water (H₂O)
B) Methane (CH₄)
C) Sodium chloride (NaCl)
D) Oxygen (O₂)
Correct Answer: B) Methane (CH₄)
5. Which of the following is an example of evolution?
A) A dog learning to fetch a ball.
B) A bird's beak changing shape over many generations to help it find food.
C) A cat growing larger over time.
D) A person learning a new language.
Correct Answer:
B) A bird's beak changing shape over many generations to help it find food.
What is the male reproductive cell called?
A) Egg སྒོ་ང་།
B) Sperm ཁམས་དཀར།
C) Pollen ཟེ་རྡུལ།
D) Seed སོན།
Correct Answer:
B) Sperm ཁམས་དཀར།
Which part of the immune system is responsible for producing white blood cells?
A) The brain
B) The bone marrow
C) The liver
D) The stomach
Correct Answer:
B) The bone marrow
Which process describes how plants make their food?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Digestion
Answer: B) Photosynthesis
What is the valence shell of an atom?
A) The inner shell of an atom.
B) The outer shell of an atom.
C) The part of the atom with protons.
D) The part of the atom with neutrons.
Correct Answer:
B) The outer shell of an atom.
Which of the following is not a mechanism of evolution?
A) Natural selection
B) Mutation
C) Breathing
D) Genetic drift
Correct Answer:
C) Breathing
What is fertilization in reproduction?
འཚར་འཕེལ་གྱི་སྐབསས་བོན་འདྲེས་སྦྱོརཞེས་པ་གང་ལ་ཟེར་རམ།
A) The process of plants growing leaves.
B) The union of a sperm and an egg to form a new organism.
C) The growth of seeds into plants.
D) The division of cells in an organism.
Correct Answer:
B) The union of a sperm and an egg to form a new organism.
སྐྱེས་དངོས་གསར་ཞིག་འགྲུབ་ཆེད་ཁམས་དཀར་དང་སྔོ་ང་འདུས་པ་ལ་ཟེར།
What is the difference between innate and adaptive immunity?
A) Innate immunity is slower, while adaptive immunity is immediate.
B) Innate immunity is present from birth, while adaptive immunity develops over time.
C) Innate immunity fights viruses, while adaptive immunity fights bacteria.
D) Innate immunity involves T-cells, while adaptive immunity involves skin cells.
Correct Answer:
B) Innate immunity is present from birth, while adaptive immunity develops over time.