Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?

Related Mcqs:

1. Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of ___________________?

   A. Lycopods
   B. Ferns
   C. Seed plants
   D. Both b and c

2. Which of the following plant group first formed true leaves?

   A. Psilopsida
   B. Lycopsida
   C. Sphenopsida
   D. Pteropsida

   Submitted by: Navid Muhammad

3. If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?

   A. 40%
   B. 45%
   C. 50%
   D. 71%

   Submitted by: Rashid Mehmood

4. Which of the following constituent is/are maximum in the filtrate that leaves proximal convoluted tubules?

   A. Glucose
   B. Amino acids
   C. Nitrogenous waste
   D. All of these

5. The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called_____________?

   A. Overtopping
   B. Fusion
   C. Webbing
   D. Planation

6. The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?

   A. Neutral point
   B. Compensation point
   C. Parallel point
   D. Competitive point

7. Rapid movement of leaves of mimosa on touching is an example of _____________?

   A. Turgor movement
   B. Nastic movement
   C. Tropic movements.
   D. Growth movement

8. Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?

   A. Transpiration pull
   B. Root pressure
   C. Ascent of sap.
   D. All of these

9. Thick, waxy & leathery cuticle around leaves is present in___________?

   A. Hydrophytes
   B. Mesophytes
   C. Xerophytes
   D. Halophytes

10. They are widespread as protective coatings on fruits and leaves?

    A. cholesterol
    B. waxes
    C. chitin
    D. all of these

    Submitted by: Maryam Aftab