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Medical
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Which of the following is not a stem modification?

  • Option 1)

    Pitcher of Nepenthes

  • Option 2)

    Thorns of citrus

  • Option 3)

    Tendrils of cucumber

  • Option 4)

    Flattened structures of Opuntia

 

Picher of nepenthes

Medical
545 Views   |  

Tricarpellary, syncarpous gynoecium is found in flowers of:

  • Option 1)

    Liliaceae

  • Option 2)

    Solanaceae

  • Option 3)

    Fabaceae

  • Option 4)

    Poaceae

 

liliacea

 

Medical
704 Views   |  

The standard petal of a papilionaceous corolla is also called:

  • Option 1)

    Carina

  • Option 2)

    Pappus

  • Option 3)

    Vexillum

  • Option 4)

    Corona

 
  Types of Corolla - It can be following types Cruciform - 4 petals are arranged like a cross eg: members of Brassicaceae Papilionaceous - five petals are arranged with one largest petal called vexillum eg - Pea Rosaceous - It consists 5 or more petals, lower part (claw) are absent and outer part (limb) are spreading outwards. eg: Rose, Coconut Caryophyllaceous - Five free long clawed with...
Medical
422 Views   |  

Stems modified into flat green organs performing the functions of leaves are known as:

  • Option 1)

    Cladodes

  • Option 2)

    Phyllodes

  • Option 3)

    Phylloclades

  • Option 4)

    Scales

 
As learnt in Types of special stem modifications - Phyllacodes - Flat, fleshy, green leaf like structure which has a succession of nodes and internodes at long and short intervals. Leaves are modified into spine or scale to check transpiration. Photosynthesis takes place in phyllacodes. Ex: Opuntia, cereus, Euphorbia Cladode - Phylloclade with one internode is called cladode. Ex: Aspargus &...
Medical
335 Views   |  

Cotyledon of maize grain is called:

  • Option 1)

    plumule

  • Option 2)

    coleorhiza

  • Option 3)

    coleoptile

  • Option 4)

    scutellum

 
As discussed in Plant embryo structure - The embryo consists of a cotyledon and an embryonal axis. The cotyledon is also called scutellum in cereals. The lower end of scutellum is called coleorhiza and upper part of axis is called the plumule which is covered by coleoptile. -   Cereal cotyledon are called scutellum.   Option 1) plumule This solution is incorrect. Option 2) coleorhiza This...
Medical
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Which type of tissue correctly matches with its location?

Tissue Location

 

  • Option 1)

    Smooth muscle

    Wall of intestine

     

  • Option 2)
    Areolar tissue Tendons

     

  • Option 3)
    Transitional epithelium Tip of nose

     

  • Option 4)
    Cuboidal epithelium Lining of stomach

     

 
As discussed in Types of smooth muscles - In single unit smooth muscle; all the muscle fibres are connected together and acts as a unit. E.g. walls of hollow visceral organs (stomach, Intestine, urinary bladder. Multi unit muscle fibres, do not act together, remain separated. E.g. hair roots, wall of large blood vessels.  -    Smooth muscle - wall of intestine. Option 1) Smooth...
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