Disruption of the nitrogen cycle leads to acidification of under ground water, soil and waterbody-Judge the accuracy of the statement.

Explain Acidification of soil and water or river and lake

'One problem with the growing population is the lack of fresh water'-Prove the accuracy of the statement.

Life cycle of Funaria is not completed without water. Choose the correct statement

Relate the following phenomena with the trend of disturbance in Nitrogen Cycle resulting from different human activities: Acidification of soil and water or river and lake

In this question has statement I and statement II of the four choice given after the statement choose the one that best describes the two statements Statement-Number of waves in an orbit of atom is equal to number of that orbit. Statement-I The electronic configuration of nitrogen atom is represented as Statement-II The electronic configuration of the ground state of an atom is the one which has the greatest multiplicity.

Which of the following statements about he female reproductive system are true (+) or false (-)? 1. Both FSH and LH are necessary for ovulation to take place. 2. Oestrogen tends to inhibit the production of FSH b the anterior pituitary gland. 3. Fertilization of the ovum by the spermatozoon normally takes place in the uterus. 4. Progesterone production is largely under the control of LH 5. Throughout the part of the menstrual cycle that follows ovulation, there is a slight risein body temperature.

Describe the nitrogen fixation process by micro organisms in soil. One study found that drinking water in your area is contaminated. Study it and write what are the problems can be generated from this

Which of the following statements about the nitrogen cycle are false ? 1. Rhizobium and Frankia cause nitrogen fixation in their independent free - living stage . 2. Azotobacter and Anabaena are anaerobic, symbiotic , free - living , nitrogen fixers. 3. Rhodospirillum is an aerobic , nitrogen -fixing microbe found in the root nodules of legumes . 4. Nitrobacter oxidizes nitrites to nitrates .

According to Haeckel 'Ontogeny repeats Phylogeny' - Judge the accuracy of the statement. How and why did the snake's ancestor's feel disappear? Explain by following the theory of Lamarck.

Humans are the cause of various oxides of nitrogen in the environment'-Judge the logic of the statement. Explain how high frequency sound harm hearing capacity and heart in human.