2. Questions Bank
  3. 9th Class
  4. Science
  5. Diversity in Living Organisms

9th Class Science Diversity in Living Organisms Question Bank Diversity in Living Organisms

  • question_answer
    Read the given passage.
    Pteridophytes are the first plants with X tissue but they lack Y and Z in this tissue system. The dominant plant body is P which bears sporangia that can be either Q or R.
    Select the option that correctly identifies any three of these variables.

    A) P-Gametophyte, Q-Female, R-Male

    B) X-Vascular, Y-Tracheids, Z-Vessels

    C) P-Sporophyte, Q-Homosporous, R- Heterosporous

    D) X-Meristematic, Y-Xylem, Z-Phloem

    Correct Answer: C

    Solution :

    Pteridophytes are the first plants with vascular tissue system but they lack vessels and companion cells in this tissue system. The dominant plant body is sporophyte which bears sporangia that can be either homosporous or heterosporous.


You need to login to perform this action.
You will be redirected in 3 sec spinner