A. Sponges
B. Annelida
C. Platyhelminthes
D. Aves
Related Mcqs:
- The system well developed in the acoelomate is___________?
A. Excretory system
B. Nervous system
C. Transport system
D. All of these - Which one of the following is different from all the rest regarding the number of cells inits body_______________?
A. Rusts
B. Mushrooms
C. Molds
D. Yeasts - 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 - Which of the following ions are involved in the initiation of nerve impulse_______________?
A. Na+
B. K+
C. Fe
D. none of these - 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 - 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 - Which of the following have thickest walls?
A. Arteries
B. Veins
C. Capillaries
D. None of these - 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 - Which of the following is a sentimentally arranged excretory system?
A. Protonephridium
B. Metanephridium
C. Malpighian tubules
D. Nephrons - 2. Which one of the following organisms can serve as a biofertilizer for rice crop?
A. Blue-green algae
B. Rhizobium sp.
C. Mycorrhizal fungi
D. None of theseSubmitted by: Tauqeer Ahmad Rajput
