List out the following by biotic and abiotic factiors. (Sun,plants,animals,air ,soil,bacteria,heat,minerals,

Observe the followiing statements and pick out the right option from the following: Statement I: The drug sources of Siddha inculde plants,animal parts, ores and minerals. Statement : minearls are used for preparing drugs with long shelf - life .

These are abiotic factors. (i) sunlight (ii) Bacteria (iii ) Air (iv) Plants

List out the Animal diseases caused by Bacteria.

List out some plant diseases caused by Bacteria.

Which of the following is correct: (a) Cells of all living organisms have a nucleus. (b) Both animal and plant cells have a well defined cell wall. (c) In prokaryotes, there are no membrane bound organelles. (d) Cells are formed de novo from abiotic materials.

Observe the following A and B. a. List out the desirable characters in the plants given in figures A and B. b. Suggest a possible technique to integrate these characters in a new variety. c. Explain the process involved in the technique you suggested.

Consider the following four, conditions (a-d) and select the correct pair of them as adaptation to environment in desert lizards:The conditions Burrowing in soil to escape high temperature, Losing heat rapidly from the bpdy during high temperature,Bask in sun when temperature is low,Insulating body due to thick fatty dermis: