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DSSSB TGT Tissues — practice questions

Explore 7 free Tissues questions in DSSSB TGT Science. Open each question or exercise to read its content, reference answers and available explanation.

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Tissues questions and exercises with answers

Showing questions 1–7 of 7.

A TISSUE is best defined as:Read the answer and worked solution →SCLERENCHYMA tissue in plants is characterised by:Read the answer and worked solution →The complex permanent tissue that carries WATER + MINERALS from roots upward to the leaves is:Read the answer and worked solution →The tissue that COVERS body surfaces and LINES internal organs in animals is:Read the answer and worked solution →BLOOD is classified as a type of which tissue?Read the answer and worked solution →The muscle of the HEART is classified as:Read the answer and worked solution →The CORRECT hierarchy in multicellular organisation is:Read the answer and worked solution →

Worked practice questions

A TISSUE is best defined as:

  1. A single cell that has matured into adult form
  2. A group of dissimilar cells from different organisms
  3. A group of similar cells performing the same function
  4. An organ system of multiple connected organs working together
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Correct answer: C. A group of similar cells performing the same function

A tissue is a group of similar cells performing the same function. Multicellular organisms divide labour through tissues: muscle tissue contracts, blood carries oxygen, leaf tissues photosynthesise. Cells in a tissue share structure and origin.

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SCLERENCHYMA tissue in plants is characterised by:

  1. Thick lignified walls; rigidity (coconut shell)
  2. Thin walls; stores food and water (parenchyma)
  3. Cells arranged in tubes for water transport
  4. Active cell division for plant growth at meristems
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Correct answer: A. Thick lignified walls; rigidity (coconut shell)

Sclerenchyma is a permanent tissue with thick lignified walls it gives rigidity and is found in coconut shells, nut shells, and wheat husks. Parenchyma is soft and food-storing; collenchyma is flexible. Sclerenchyma is the toughest of the three.

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The complex permanent tissue that carries WATER + MINERALS from roots upward to the leaves is:

  1. Phloem, which carries food from leaves
  2. Parenchyma, which stores food and water
  3. Collenchyma, which gives flexibility
  4. Xylem, which carries water and minerals
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Correct answer: D. Xylem, which carries water and minerals

Xylem carries water and minerals from roots upward (one-way, dead cells when mature). Phloem carries food (sugars from leaves) to other parts (two-way, living cells). Together they form the vascular tissues of plants.

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