| 1 |
Deficiency of vasopressin or ADH by the pituitary gland leads to a disorder in which the patients kidney have lessoned ability to absorb water is: |
- A. Diabetes mellitus
- B. Diabetes insipidus
- C. Goiter
- D. Exophthalmic goiter
|
| 2 |
The discoidal cap of cells above the blastocoel is called. |
- A. Ectoderm
- B. Endoderm
- C. Mesoderm
- D. Blastoderm
|
| 3 |
Secondary growth leads to an increase in the diameter if the. |
- A. Leaf
- B. Root
- C. Stem
- D. Stem and root
|
| 4 |
Environmental factors causing abnormal development are grouped together as. |
- A. Toxins
- B. Carcinogens
- C. Teratogens
- D. Mutagens
|
| 5 |
The human life is judged to be maximum of. |
- A. 60-70 years
- B. 70-100 years
- C. 120 -175 years
- D. 130-135 years
|
| 6 |
The unspecialized cells present in flatworm and Planaria are. |
- A. Neoblast
- B. Osteoblast
- C. Osteoclast
- D. Chondrocyte
|
| 7 |
Cambium is formed in stage. |
- A. One
- B. Two
- C. Three
- D. Four
|
| 8 |
In which developmental stage, germ layers are formed. |
- A. Cleavage
- B. Blastula
- C. Gastrula
- D. Organogenesis
|
| 9 |
During elongation the cell volume increase up to 150 fold due to uptake of |
- A. Light
- B. Oxygen
- C. Water
- D. Carbon dioxide
|
| 10 |
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.
|