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ICAR JRF Plant Form and Physiology — practice questions

Explore 93 free Plant Form and Physiology questions in ICAR JRF Plant Sciences. Open each question or exercise to read its content, reference answers and available explanation.

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Plant Form and Physiology questions and exercises with answers

Showing questions 1–30 of 93.

Xylem or phloem?Read the answer and worked solution →Monocot or dicot?Read the answer and worked solution →Match each cell to what it doesRead the answer and worked solution →Follow water from soil to skyRead the answer and worked solution →Complete the water potential ruleRead the answer and worked solution →Tap only what belongsRead the answer and worked solution →True or false, stems and rootsRead the answer and worked solution →Flip and match the plant hormonesRead the answer and worked solution →Red light or blue light?Read the answer and worked solution →Tap the one that does not fitRead the answer and worked solution →Spot the wrong wordRead the answer and worked solution →Which one is greater?Read the answer and worked solution →Which two organ systems make up the body of a vascular plant?Read the answer and worked solution →Plant regions of continuous cell division and growth are known as what?Read the answer and worked solution →Which meristem occurs only in monocots, at the bases of leaf blades and at nodes?Read the answer and worked solution →A plant extends in length because of cell division in which tissue?Read the answer and worked solution →Which plant tissue serves as a site for photosynthesis, supports vascular tissue, and stores water and sugars?Read the answer and worked solution →Xylem tissue is built from which three cell types?Read the answer and worked solution →In roots, the structure formed by xylem and phloem lying adjacent to each other is called what?Read the answer and worked solution →The stem region lying between two nodes is called what?Read the answer and worked solution →Which cell type is the most common in plants and is found in stem, root, leaf and fruit pulp?Read the answer and worked solution →Elongated support cells with unevenly thickened walls that remain alive at maturity are which type?Read the answer and worked solution →Which pair of cells makes up sclerenchyma?Read the answer and worked solution →How are vascular bundles arranged in a monocot stem seen in cross section?Read the answer and worked solution →Water passes from one vessel element to the next through which structure?Read the answer and worked solution →Which statement about mature sieve-tube cells is correct?Read the answer and worked solution →Which cells lie alongside sieve-tube cells and contain more ribosomes and mitochondria than they do?Read the answer and worked solution →In a stem, the ground tissue lying between the vascular tissue and the epidermis is known as what?Read the answer and worked solution →An increase in the thickness or girth of a plant is produced by cell division in which meristem?Read the answer and worked solution →Secondary growth in stems is usually seen in which group?Read the answer and worked solution →

Worked practice questions

Xylem or phloem?

Read exercise and reference answers
Left
Xylem
Items
  1. Item
    Carries water up
    Answer
    Xylem
  2. Item
    Dead at maturity
    Answer
    Xylem
  3. Item
    Carries sugars
    Answer
    Phloem
  4. Item
    Tracheids
    Answer
    Xylem
  5. Item
    Alive at maturity
    Answer
    Phloem
  6. Item
    Sieve tube cells
    Answer
    Phloem
  7. Item
    Vessel elements
    Answer
    Xylem
  8. Item
    Companion cells
    Answer
    Phloem
Right
Phloem
Instructions
Swipe left for xylem, swipe right for phloem.
_Source: OpenStax Biology 1e, section 30.1 The Plant Body_

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Monocot or dicot?

Read exercise and reference answers
Left
Monocot
Items
  1. Item
    Bundles in a ring
    Answer
    Dicot
  2. Item
    Scattered bundles
    Answer
    Monocot
  3. Item
    Parallel venation
    Answer
    Monocot
  4. Item
    Netlike venation
    Answer
    Dicot
  5. Item
    Tap root system
    Answer
    Dicot
  6. Item
    Fibrous roots
    Answer
    Monocot
  7. Item
    Two cotyledons
    Answer
    Dicot
  8. Item
    One cotyledon
    Answer
    Monocot
Right
Dicot
Instructions
Swipe left for monocot, swipe right for dicot.
_Source: OpenStax Biology 1e, section 30.2 Stems_

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Match each cell to what it does

Read exercise and reference answers
Matching pairs
  1. Left
    Parenchyma
    Right
    Common cell that stores starch
  2. Left
    Collenchyma
    Right
    Uneven walls, alive at maturity
  3. Left
    Sclerenchyma
    Right
    Lignified walls, dead at maturity
  4. Left
    Guard cell
    Right
    Opens and closes a stoma
  5. Left
    Trichome
    Right
    Hair that slows water loss
  6. Left
    Companion cell
    Right
    Feeds the sieve tube cell
Instructions
Tap a cell type, then tap the description that belongs to it.
_Source: OpenStax Biology 1e, section 30.2 Stems_

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