Related Mcqs:

1. All of the following coelenterates show alternation of generation except:

   A. Hydra
   B. Obelia
   C. Aurelia
   D. None of these

2. Which of the following of bryophytes are the simplest one?

   A. Porella
   B. Funaria
   C. Anthocerus
   D. Polytrichum

3. Antheridia and archegonia are born on ______________ in bryophytes.

   A. Sporophyte
   B. Gametophyte
   C. Both of these
   D. None of these

4. In bryophytes fertilization takes place in___________?

   A. Antheridia
   B. Archegonia
   C. water
   D. Ovule

5. The simplest of all bryophytes are___________?

   A. Thallophytes
   B. Embryophytes
   C. Mosses
   D. Liverworts

6. Alternation of generations is absent in___________?

   A. Hydration
   B. Obelia
   C. Jelly fish
   D. Physalia

7. Which of the following statement is incorrect about Glyoxisomes?

   A. They contain enzymes which help in conversion of fatty acids into carbohydrate
   B. They are abundant in soyabeans but absent in pea.
   C. They are present through out life of a plant and provide them whth energy through Glyoxylate cycle.
   D. They are signle membranous organelles

8. Which of the following statement about an arthropod exoskeleton is incorrect?

   A. It permits gaseous exchange
   B. It contains joints, for the same purpose as present in human skeletal system
   C. It provides muscle attachment
   D. Like all the other types of exoskeleton, they lack sensation

9. Which of the following statement is incorrect regarding the locomotion in Euglena?

   A. Move with the help of flagellum, attached to the anterior pole of the body.
   B. Flagellum whipping backwards moving the organism forward, and when moves forward the organism moves backward.
   C. Myonemes can change the direction of the body by making it to shorten from anterior to the posterior pole.
   D. None of these

10. Which of the following statement about Homeostasis is incorrect?

    A. There is a definite control system that regulates the homeostatic activities
    B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
    C. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment
    D. All are correct