Which excretory product in produced in plants during autotrophic mode of life?

Related Mcqs:

1. Autotrophic organisms can exist in an exclusively ________________ environment?

   A. Organic
   B. Inorganic
   C. Wet
   D. Terrestrial

2. In plants, which of the following is a waste product produced both during photosynthesis and respiration?

   A. CO2
   B. H2O
   C. O2
   D. Both A and B

3. Excretory system of platyhlminthes consists of___________?

   A. Nephridia
   B. Flame cells
   C. Malpighian tubules
   D. Nephrons

4. Which of the following excretory structure is associated with gut of the organism?

   A. Protonephridium
   B. Metanephridium
   C. Malpighian tubules
   D. Nephrons

5. Hydra has no specialized excretory system because:

   A. It does not produce waste material
   B. Due to absence of mesoderm
   C. The whole body cells are in contact with water
   D. It has pseudocoelom.

6. Which of the following is a sentimentally arranged excretory system?

   A. Protonephridium
   B. Metanephridium
   C. Malpighian tubules
   D. Nephrons

7. The branch in which organism’s life cycle, mode of transmission and interaction with their hosts are studied is:

   A. Anatomy
   B. Physiology
   C. Parasitology
   D. Social Biology

8. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Ethene.

9. Epiphytes are plants which depend on other plants for________?

   A. food
   B. mechanical support
   C. shade
   D. None of these

   Submitted by: Tauqeer Ahmad Rajput

10. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?

    A. Mitosis
    B. Meiosis
    C. Both depending upon the conditions
    D. None of these