Life Processes
Iodine is necessary for the synthesis of which hormone ?
(1) Auxin (2) Thyroxin (3) Adrenaline (4) Insulin
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Life Processes
Which of the following are secondary metabolities ?
(A) Carbohydrates (B) Tannins (C) Proteins (D) Gums (E) Alkaloids
(1) A, D (2) B, C (3) A, D, E (4) B, D, E
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 4 Solution : -. |
Life Processes
Energy flow in an Ecosystem is-
(1) Unidirectional (2) Bidirectional (3) Bark (4) Roots
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 1 Solution : -. |
Life Processes
Out of the following endrocine glands which are unparied ?
(1) Ovary (2) Testes (3) Pancreas (4) Adrenal
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Life Processes
At the end of the experiment to prove that light is necessary for photosynthesis, when the leaf was tested with iodine, the ' S' shaped figure on the leaf was found to be.
(1) green-presence of starch (2) blue-black presence of starch
(3) green-absence of starch (4) blue-black absence of starch
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Life Processes
Which one of the following is not a factor of respiration?
(1) Oxygen
(2) Carbondioxide
(3) Water
(4) Temperature
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Life Processes
Kidneys in human beings are a part of t he system of
(1) Nutrition (2) Respiration (3) Excretion (4) Transportation
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
Life Processes
Which of the following gland acts as an endocrine gland as well as exocrine gland?
(1) Salivary gland
(2) Pancreas gland
(3) Pituitary gland
(4) Parathyroid gland
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 2 Solution : -. |
Life Processes
Which cell organelle is known as suicidal bag
(1) Ribosome (2) Centrosome (3) Lysosome (4) Peroxysome
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
|
Option: 3 Solution : -. |
