If life come out of decaying and rotting matter like straw, mud etc. This was the theory of

Given below are the three statement each with one or two blanks. Select the option which correctly fills up the balnks in any two statements. (A) For a long time it was also believed that life came out of decaying and rotting matter like straw, mud, etc. This was the theory of i (B) During post-industrilasiation period, the tree trunks became dark due to industrial smoke and soots. Under this condition the i did not survive due to predators, while ii survived. (C) Lamrack said that evolution of life forms had occurred but driven by i of organs.

Given below are the three statement each with one or two blanks. Select the option which correctly fills up the balnks in any two statements. (A) For a long time it was also believed that life came out of decaying and rotting matter like straw, mud, etc. This was the theory of i (B) During post-industrilasiation period, the tree trunks became dark due to industrial smoke and soots. Under this condition the i did not survive due to predators, while ii survived. (C) Lamrack said that evolution of life forms had occurred but driven by i of organs.

The bare ground between plants is covered with a layer of organic matter like straw. It helps to retain soil moisture'. Identify the process.

Aristotle believed that fishes originated from mud, insects from decaying meat, frog from moist soil etc. Do you agree with this statement? If no, give reason.

Assertion : Viruses are not included in any system of classification. Reason : Viruses are non-living but devlop living characters like multiplication etc. when they come in contact with suitable host.

One -fourth of the amount of a radioactive element decays is 2490 years . Find out the half-life of this element .