Which of the following secrete hydrochloric acid in stomach?
B. Goblet
C. Epithelial
D. Oxyntic
The internal buds are known as__________?
A. Spicules
B. Choanocytes
C. Gemmules
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
All of the following are involved in nitrification except
A. Nitrobacter
B. Nitrosomonas
C. Rhizohium
D. All of these
Group of living organisms of the same species living in the same place at the same time is called________?
A. Community
B. Population
C. Ecosystem
D. Biome
Which of the following is the basic unit of classification___________?
A. Species
B. Genus
C. Family
D. Order
Which of the following bone is not present in the hind-limb?
A. Femur
B. Tibia
C. Radius
D. Fibula