True or False: Plasma membrane protects the cellular living portions from external environment.

Plasma membrane is derived from

[A] : All body cells continuously obtain useful material from, and dispose of their waste products into the external fluid medium. This is mainly maintained as a constancy and is termed excretion. [R]: This is achieved by constant disposal or excretion of all waste products and reuse, as well as, useless materials from body into external environments.

Mention True or False: Mycorrhiza promotes plant growth by absorbing inorganic ions from the soil .

Portions of the nervous system are specialized to detect change in the internal and external environments. Which of the following functions best fits this description?

Which one protects bacteria from enzymes present in the external medium ?

True or False: Branches in root arise from endodermis.

Mention True or False: Beer is an undistilled alcoholic beverage produced from fruit-juice fermentation.

State whether True or False:- Multicellular organisms can not adapt to the changing environment.

[A] : Living organisms are like a close system . [R] : Energy in the organisms neither can be lost nor gained from the another environment .

[A] : Living organisms are like a close system . [R] : Energy in the organisms neither can be lost nor gained from the another environment .