Home
Class 12
BIOLOGY
The epidermis of an isobilateral leaf,a)...

The epidermis of an isobilateral leaf,a)Provide protection,b)Performs gaseous exchange,c) Is made up of parenchymatous cells,d)Possesses stomata only on adaxial surface

A

only a is correct

B

only a and c is correct

C

only b is correct

D

only d is correct

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Which of the following characters is/are related isobilateral leaf? (a) Stomata are present on both surfaces. (b) Mesophyll is differentiated into palisade and spongy parenchyma. (c) Sub-stomatal cavity is present below the stoma of the abaxial epidermis.

The epidermis in a dorsiventral leaf (a) Covers both adaxial and abaxial surfaces (b) Is not covered by cuticle ( c) Bears more stomata on the upper side (d) May even lack stomata on the upper side Which of the above statements are correct?

Read the following statements and find out how many of these are related to given figure. a. Multilayered epithelium b. Limited role in secretion and absorption. c. Main function is to provide protection aganist chemical and mechanical stresses. d. They cover the dry surface of skin, moist surface of buccal cavity and pharynx.

Fill in the following blanks with suitable words: (a) The organs of respiration in man are the ........ (b) The actual exchange of gases takes place in the ....... of the lungs. (c) ........ in the lungs provide a very large surface area for gaseous exchange. (d) Yeast undergoes.... respiration whereas Amoeba undergoes....... respiration (e) Gills are the breathing organs in......

Water and dissolved minerals get into the root hair of a plant by a process called A and enter the conducting tissue B. The C helps the water and dissolved minerals to move up through the tissue B in roots and stem, and reach the leaves of a plant. In the leaves food is made by a process D. This food is then transported to all the parts of a plant through tissue E. The process of distributing food made in the leaves to all the parts of the plant is called F. (a) What are (i) A (ii) B (iii) C (iv) E, and (iv) F ? (b) Which tissue is made up of living cells : B or E ? (c) Name one substance (other than oxygen) which is transported by tissue A in the human body. (d) Which two components of tissue A are the cells without nucleus ? (e) Name any two organisms (animals) which do not have liquid like A in their body.

AAKASH INSTITUTE-TEST 6-EXAMPLE
  1. Vascular bundles are scattered and closed in

    Text Solution

    |

  2. The only dead element of phloem is

    Text Solution

    |

  3. The epidermis of an isobilateral leaf,a)Provide protection,b)Performs ...

    Text Solution

    |

  4. Identify the incorrectly matched pair

    Text Solution

    |

  5. Which of the following functions is not performed by xylem?

    Text Solution

    |

  6. Most of the algae show haplontic life cycle pattern and Polysiphonia s...

    Text Solution

    |

  7. An event unique to angiosperms involves syngamy and triple fusion.The ...

    Text Solution

    |

  8. Marchantia possesses

    Text Solution

    |

  9. Archegonia are female sex organs of a)Amphibians of plant kingdom,b)Se...

    Text Solution

    |

  10. is a major source of agar that is obtained from its cell wall.Complete...

    Text Solution

    |

  11. A fresh water colonial green alga is

    Text Solution

    |

  12. Green algae differ from brown algae in having

    Text Solution

    |

  13. Select the features which are not seen in algae.a)Variable shapes of c...

    Text Solution

    |

  14. In embryo sac of flowering plants,egg aparatus is found which consist ...

    Text Solution

    |

  15. all of the following characteristics are essential for the formation o...

    Text Solution

    |

  16. read the given statement. " sporophyte is a parasite over gametophyte"...

    Text Solution

    |

  17. Homospory is a condition where all the spores are of similar kind thes...

    Text Solution

    |

  18. read the following statement and choose the correct option. A. microsp...

    Text Solution

    |

  19. select the plant which has vascular tissues but lacks seeds

    Text Solution

    |

  20. match the following columns and choose the correct option- Column I (...

    Text Solution

    |