Gibberellins may be substituted for _____light, therefore promote flowering in long day plants?

1. 1. Red
   2. White
   3. Blue
   4. Green

Which of the following statement about Homeostasis is incorrect?

1. 1. There is a definite control system that regulates the homeostatic activities
   2. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment
   3. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment
   4. Noe of these

Which of the followings are effectors_____.

1. 1. Muscles
   2. Glands
   3. Both ‘a’ & ‘b’
   4. Sensory organs

Insertion of Biceps is on_____.

1. 1. Ulna
   2. Olecronon process of ulna.
   3. Scapula
   4. Radius

The food of hydra consists of_____.

1. 1. Small crustaceans
   2. Humus
   3. Detritus
   4. Dead microscopic animals

Members of one species inhabiting the same are form_____.

1. 1. Species
   2. Population
   3. Community
   4. Ecosystem

Co-enzyme is often formed from ?

1. 1. Lipid
   2. Vitamin
   3. Protein
   4. Inorganic ion

Of the following which one is not the characteristic of triploblasts?

1. 1. They are included in grade bilaterian
   2. They may be coelomate pseudocoelomate or acoelomate
   3. All of them have digestive system
   4. All of them have blood vascular system

Acetabularia mediterranea has a cap of _____.

1. 1. Regular shape
   2. Circular shape
   3. Triangular shape
   4. Cone shape

Kangaroo has an abdominal pouch known as_____.

1. 1. placenta
   2. marsupial
   3. guttural pouch
   4. all of them