In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth.

Related Mcqs:

1. Mantle in molluscs is present over____________?

   A. Head
   B. Ventral muscular foot
   C. Dorsal visceral region
   D. All of these

2. How many milky teeth or primary teeth does a human have?

   A. 33
   B. 20
   C. 15
   D. 32

   Submitted by: Jeetesh

3. The first stage of development in which a cavity appears is the__________?

   A. Neurula
   B. Morula
   C. Gastrula
   D. Balastula

4. A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is__________?

   A. Pyrolysis
   B. Pyrosis
   C. Peristalsis
   D. Dyspepsia

5. The single main opening of the sponge cavity is____________?

   A. Osculum
   B. Ostia
   C. Spongocoel
   D. None of these

6. The number of chromosomes in human cell is_____________?

   A. 48
   B. 44
   C. 46
   D. 26

   Submitted by: Muhammad Nawaz

7. Which of the following manufactures carbohydrates by the process of photosynthesis?

   A. chloroplast
   B. chromoplast
   C. leucoplast
   D. All of these

   Submitted by: Muhammad Nawaz

8. cells are of__________types?

   A. 4
   B. 3
   C. 2
   D. 1

   Submitted by: Muhammad Nawaz

9. A Vegetable containing sulphur is____________?

   A. Potato

   B. Cabbage

   C. Brinjal
   D. Pumpkin

   Submitted by: ZAHID LAKHO

10. In human beings influenza is caused by_________?

    A. bacteria
    B. protist
    C. virus
    D. fungi

    Submitted by: Maryam Aftab