MCQ’S ON ECOLOGICAL SUCCESSION
1. In ecological succession, the intermediate developmental phase is known as
(a) ecesis
(b) climax
(c) nudation
(d) sere
Answer: (d)
2. This is true about secondary succession
(a) follows primary succession
(b) takes place on a deforested site
(c) is similar to primary succession except that it has a relatively slower pace
(d) begins on a bare rock
Answer: (b)
3. Lithosphere serves as a reservoir for
(a) nitrogen cycles
(b) carbon cycles
(c) oxygen cycles
(d) phosphorus cycles
Answer: (d)
4. This is not a climax vegetation
(a) grasses
(b) savannah
(c) forests
(d) hydrophytes
Answer: (d)
5. This about ecological succession is incorrect
(a) food chain relationships become more complex
(b) species diversity increases as succession proceeds
(c) role of decomposers becomes all the more important
(d) is a random process
Answer: (d)
6. An example of plants occupying the second stage of hydrosere is
(a) Salix
(b) Vallisneria
(c) Azolla
(d) Typha
Answer: (b)
7. On the sand, ecological succession is
(a) halosere
(b) xerosere
(c) hydrosere
(d) psammosere
Answer: (d)
8. Order of basic processes involved in succession is
(a) invasion -> stabilization -> completion and coaction -> reaction -> nudation
(b) nudation -> stabilization -> completion and coaction -> invasion -> reaction
(c) invasion -> nudation -> completion and coaction -> reaction -> stabilization
(d) nudation -> invasion -> completion and coaction -> reaction -> stabilization
Answer: (d)
9. Process of the successful establishment of species in a new area is known as
(a) climax
(b) sere
(c) ecesis
(d) invasion
Answer: (c)
10. In ecological succession, the final stable community is known as
(a) climax community
(b) ultimate community
(c) final community
(d) seral community
Answer: (a)
MCQ’S ON SKELETAL TISSUE
1. Tendons and ligaments are ________.
(a) Muscular tissue
(b) Connective tissue
(c) Skeletal tissue
(d) Fibrous connective tissue
Answer: (d)
2. Skeletal muscle bundles are held together by a common connective tissue layer known as _______.
(a) Fascia
(b) Perimysium
(c) Aponeurosis
(d) Endomysium
Answer: (a)
3. Composition of bone marrow is_______.
(a) Adipose tissue
(b) Adipose, areolar tissue and blood
(c) Adipose and areolar tissue
(d) Adipose tissue and fibroblasts
Answer: (b)
4. The formation of erythrocytes in foetus takes place in_________.
(a) Redbone marrow
(b) Sarcoplasm
(c) Liver and spleen
(d) Blood
Answer: (c)
5. Nasal septum gets damaged. Its recovery requires cartilage known as_______.
(a) Elastic cartilage
(b) Fibrous cartilage
(c) Calcified cartilage
(d) Hyaline cartilage
Answer: (d)
6. The membrane that surrounds the bone is known as as________.
(a) Pericardium
(b) Periosteum
(c) Perichondrium
(d) Endosteum
Answer: (b)
7. Mammalian pinna is supported by ________.
(a) Elastic cartilage
(b) Hyaline cartilage
(c) White fibrous connective tissue
(d) Calcified cartilage
Answer: (a)
8. Hyaline cartilage does not have__________.
(a) Blood capillaries
(b) Cells
(c) Lacunae
(d) Fibres
Answer: (d)
9. Major inorganic components of vertebrate bone are______.
(a) Potassium hydroxide
(b) Calcium phosphate
(c) Calcium carbonate
(d) None of the above
Answer: (b)
10. Haversian canals occur in_______.
(a) Humerus
(b) Scapula
(c) Pubis
(d) Clavicle
Answer: (a)
