Which of the following openings have cilia?

Related Mcqs:

1. Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

   A. Hydathods
   B. Stomata
   C. Lenticels
   D. None of these

2. Which of the following is the correct sequence in the biological method?

   A. Observation?hypothesis?law?theory
   B. Observation?hypothesis?deduction?testing of deduction
   C. Hypothesis?observation?deduction?testing of deduction
   D. law?theory?deduction?observation

3. Which of the following combination is an example of self replicating organelles?

   A. Mitochondria Ribosomes
   B. Mitochondria Nucleus
   C. Mitochondria Chloroplast
   D. Mitochondria Vacuole

4. All of the following are similarities between nervous and endocrine system except:_____________?

   A. Produce chemical messengers
   B. Release chemical messengers in extracellular space
   C. Homestatic in function
   D. Having slow but prolonged effects

5. Which of the following ions are involved in the initiation of nerve impulse_______________?

   A. Na+
   B. K+
   C. Fe
   D. none of these

6. Which of the following light is least absorbed by the plants?

   A. Orange
   B. Red
   C. Blue
   D. Green

7. Which of the following statements is incorrect about skeletal muscle fibers?

   A. They are multinucleated.
   B. They are 10 – 100 ?m in diameter & surrounded by sarcolemma
   C. They contain O2 storing molecules called hemoglobin.
   D. Their cytoplasm contains high concentration of carbohydrates

8. Which of the following pairs of fins in a fish body are paired?

   A. Dorsal and ventral.
   B. Pectoral and Pelvic.
   C. Tail and anal
   D. All of these

9. Which of the following have thickest walls?

   A. Arteries
   B. Veins
   C. Capillaries
   D. None of these

10. Which of the following represents osmoregulatory steps taken by hydrophytes?

    A. Increases transpiration by increasing the surface area of the leave.
    B. Small and thick leaves to decrease the surface area proportional to the volume of the leave.
    C. Stomata closing in sufficient supply, and opening in restricted supply of water.
    D. None of these