Which type of cell junction prevents leakage of substances between animal cells?

Tight junctions form a seal between animal cells, preventing leakage of substances across tissues (NCERT, Chapter 8, page 129). Gap junctions allow communication, desmosomes provide adhesion, and plasmodesmata are plant-specific.

Which of the following is incorrect about cilia and flagella?

Cilia are usually shorter and more numerous than flagella, which are longer and fewer in number.

NEET Biology: Cell The Unit of Life — Practice Set 7 (10 MCQs)

Biology — Cell The Unit of Life

Set 7 of 12

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Which of the following statements is NOT a part of the modern cell theory?

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NEET Biology: Cell The Unit of Life — Practice Set 7

Q1. Which of the following statements is NOT a part of the modern cell theory?

Q2. Which type of cell junction prevents leakage of substances between animal cells?

Q3. Which of the following is incorrect about cilia and flagella?

Q4. Which of the following is incorrect about mitochondria?

Q5. Which of the following is incorrect about peroxisomes?

Q6. Which cell organelle is responsible for packaging materials to be delivered inside or outside the cell?

Q7. Which type of ribosomes are found in mitochondria?

Q8. Which of the following statements about lysosomes is incorrect?

Q9. Which structure of the chloroplast is responsible for trapping light energy?

Q10. Which of the following is correct about the nucleus?