Q&A - Ask Doubts and Get Answers

Sort by :
Clear All
Q
Medical
162 Views   |  

Which one of the following fruits is parthenocarpic?

  • Option 1)

    Apple

  • Option 2)

    Jackfruit

  • Option 3)

    Banana

  • Option 4)

    Brinjal

 
As discussed in Concept Fruits - Fruit is matured or ripned ovary developed after fertilization. Afetr fertilization ovary forms fruits & ovules form the seeds. - wherein Pomology is the study of fruits. Some fruit do not contain seeds called pardhenocarpic or seedless fruits ex. banana, grapes, pineapple (fruits without fertilization)    Banana is parthenocarpic or seedless fruit Option...
Medical
120 Views   |  

The function of the gap junction is to :

  • Option 1)

    facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules.

  • Option 2)

    separate two cells from each other.

  • Option 3)

    stop substance from leaking across a tissue.

  • Option 4)

    performing cementing to keep neighbouring cells together.

 
As discussed in concept Gap Junction - Gap Junction - Connection of cytoplasma -     Option 1) facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules. Option is correct Option 2) separate two cells from each other. Option is incorrect Option 3) stop substance from leaking across a tissue. Option is...
Medical
438 Views   |  

The chitinous exoskeleton of arthropods is formed by the polymerisation of :

  • Option 1)

    D - glucosamine

  • Option 2)

    N - acetyl glucosamine

  • Option 3)

    lipoglycans

  • Option 4)

    keratin sulphate and chondroitin sulphate

 

THE CHITINOUS EXOSKELETON OF ARTHROPODS IS FORMED BY THE POLMERISATION OF N-ACETYL GLUCOSAMINE

 

Medical
469 Views   |  

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :

  • Option 1)

    Potassium urate

  • Option 2)

    Urea

  • Option 3)

    Calcium carbonate

  • Option 4)

    Ammonia

 

4

Medical
287 Views   |  

Read the different components from (a) to (d) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem :

  1. Secondary cortex
  2. Wood
  3. Secondary phloem
  4. Phellem

The correct order is :

 

  • Option 1)

    (a),(b),(d),(c)

  • Option 2)

    (d),(a),(c),(b)

  • Option 3)

    (d),(c),(a),(b)

  • Option 4)

    (c),(d),(b),(a)

 
As discussed in Anatomy of Dicot Stems - In contains outer single layer called epidermis, convered by cuticle, bears trichomes (multicellular hairs). Epidermis lacks chloroplast. Cortex is divided into hypodermis, general cortex & endodermis. Pericycle is situated in between endodermis & vascular bundles. Vascular bundles (wedge shaped) are arranged in a ring. It is conjoint, collateral and...
Medical
141 Views   |  

Coconut water from a tender coconut is:

  • Option 1)

    Free nuclear endosperm

  • Option 2)

    Innermost layers of the seed coat

  • Option 3)

    Degenerated nucellus

  • Option 4)

    Immature embryo

 

1

Medical
107 Views   |  

Axile placentation is present in :

  • Option 1)

    Lemon

  • Option 2)

    Pea

  • Option 3)

    Argemone

  • Option 4)

    Dianthus

 
As discussed in Superficial placenta - Ovary is multilocular with many carpels, & placenta is axile type of placentation. - wherein Ex. water lily, it is most primitive    Axile placentation show axial ovules.  E.g. Lemon   Option 1) Lemon This solution is correct. Option 2) Pea This solution is incorrect. Option 3) Argemone This solution is incorrect. Option 4) Dianthus This solution is incorrect.
Exams
Articles
Questions