alleryA rigid cell wall is a characteristic feature of:
- human cheek cells
- animal cells
- all eukaryotic cells
- plant cells
Show answer and solution
Correct answer: D. plant cells
A cell wall outside the plasma membrane is a defining feature of plant cells.
NEET UG Unit 2G: Osmoregulation & Membrane Dynamics — practice questions
Explore 14 free Unit 2G: Osmoregulation & Membrane Dynamics questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–14 of 14.
A rigid cell wall is a characteristic feature of:Read the answer and worked solution →The organelle known as the 'powerhouse of the cell' is the:Read the answer and worked solution →Prokaryotic cells characteristically lack:Read the answer and worked solution →The semi-fluid matrix that occupies the volume of the cell and hosts most chemical reactions is the:Read the answer and worked solution →Within the nucleus, the genetic material DNA is organised into:Read the answer and worked solution →The principal site of protein synthesis in the cell is the:Read the answer and worked solution →According to cell theory, all cells arise:Read the answer and worked solution →In a plant cell, ribosomes are found in the cytoplasm and also within the:Read the answer and worked solution →Which of the following organisms is NOT a prokaryote?Read the answer and worked solution →The four basic shapes of bacteria areRead the answer and worked solution →Ribosomes in eukaryotic cytoplasm are of which type?Read the answer and worked solution →Plastids that store starch in tubers like potato are calledRead the answer and worked solution →At which level of organisation do tissues become further organised to form organs?Read the answer and worked solution →Animals in which groups of similar cells combine to perform a specific function are said to have which level of organisation?Read the answer and worked solution →
Worked practice questions
The organelle known as the 'powerhouse of the cell' is the:
- lysosome
- nucleus
- mitochondrion
- ribosome
Show answer and solution
Correct answer: C. mitochondrion
Mitochondria generate ATP and are called the powerhouse of the cell.
Prokaryotic cells characteristically lack:
- membrane-bound organelles
- cytoplasm
- a cell membrane
- ribosomes
Show answer and solution
Correct answer: A. membrane-bound organelles
Prokaryotes have no membrane-bound organelles (no ER, Golgi, mitochondria, etc.).
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