NEET 2026 (Phase 1) · BiologyRoot hairsPrevious Year Question
In angiosperms, root hairs arise from which one of the following regions of the root?
- A.The root cap zone
- B.The region of meristematic activity
- C.The region of elongation
- D.The region of maturation✓
Correct Answer
(D) The region of maturation
Solution & Explanation
Answer: (D) The region of maturation. Solution: Root hairs are unicellular elongations (outgrowths) of the epidermal cells, and they develop in the region of maturation (the maturation/differentiation zone) where epidermal cells differentiate; they are absent in the root cap, meristematic and elongation zones. Their function is to absorb water and minerals from the soil. NCERT Reference: NCERT Class XI, Ch 6 Anatomy of Flowering Plants, p.72, line ~3: "The root hairs are unicellular elongations of the epidermal cells and help absorb water and minerals from the soil." (Root hairs being epidermal outgrowths confirms the epidermal/maturation-zone origin.)
🎯
Practice NEET 2026 (Phase 1) Biology — free, with instant solutions
10,000+ NEET PYQs solved step-by-step, chapter-wise, in the MedicNEET app.
More NEET PYQ solutions
BiolExploration of molecular, genetic and species level diversity for novel products of economic importance is known as:BiolSelect the correct statements regarding cell membrane in eukaryotic cell. A. Membrane of human RBCs has approximately 52% protein. B. Major phospholipids are arranged in a bilayer. C. Extensions of the plasma membrane into the cell form mesosomes. D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium. E. Glycocalyx is present on the outer surface of the plasma membrane. Choose the correct answer from the options given below:BiolWhich one of the following is the site for active ribosomal RNA synthesis?BiolChoose the correct statements regarding cell organelles and their inclusions. A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria. B. Rough endoplasmic reticulum bears ribosomes on its surface. C. Both mitochondria and plastids have circular DNA. D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton. E. Mitochondrion is a single membrane-bound structure. Choose the correct answer from the options given below :BiolNon-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are ______.BiolFind the incorrect statement(s) about photosynthesis from the following: A. The water splitting complex is associated with PS I. B. C4 plants use the C3 pathway of CO2 fixation as the main biosynthetic pathway. C. In C4 plants, photorespiration does not occur. D. C3 plants exhibit 'Kranz' anatomy. E. ATP synthesis in chloroplast occurs through chemiosmosis. Choose the answer from the options given below:BiolThe enzyme required for carboxylation in the Calvin cycle isBiolHow many ATP and NADPH molecules are required to make one molecule of glucose through the Calvin pathway?