| 1 |
Study of aging is called |
- A. Teratology
- B. Gerontology
- C. Cell biology
- D. Paleontology
|
| 2 |
Young tissues retaining the potential to divide. |
- A. Meristem
- B. Xylem
- C. Phloem
- D. Cork
|
| 3 |
Which of the following hormones is not released by the anterior pituitary? |
- A. Melanocyte - releasing hormone
- B. Gonadotropin-releasing harmone
- C. Thyroid- stimulating hormone
- D. Growth hormone
|
| 4 |
in plants regeneration is the basis of plant |
- A. Fishes
- B. Amphibian
- C. Reptiles
- D. Birds
|
| 5 |
Primary tissue is added by the |
- A. Lateral meristem
- B. Underground meristem
- C. Apical meristem
- D. Vertical meristem
|
| 6 |
The discoidal cap of cells above the blastocoel is called. |
- A. Ectoderm
- B. Endoderm
- C. Mesoderm
- D. Blastoderm
|
| 7 |
In humans ,MSH(melanocyte-stimulating hormone) ___________ |
- A. Regulates primary skin color
- B. Causes the thyroid to produce thyroxin
- C. Governs the rate of tarming
- D. Concentration is very low.
|
| 8 |
From Hensen's node,dorsal mesoderm is formed and is organized into |
- A. Segments
- B. Fragments
- C. Somitcs
- D. Remains
|
| 9 |
Clear cytoplasm produces |
- A. Larval epidermis
- B. Muscle cells
- C. Gut
- D. Neural tube
|
| 10 |
An ordered sequence of irrversible steps with each step setting up the necessary conditions for the next step is |
- A. Embryology
- B. Growth
- C. Development
- D. None of these
|