Download App

P-2 Environmental management — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-2 Environmental management5 Marks
Question
Write the types and examples of biodiversity.
✓

Answer

(i) Biodiversity is the richness of living organisms in nature due to presence of varieties of organisms, ecosystems and genetic variations within species.
(ii) Biodiversity occurs at three different levels.
(a) Genetic Diversity: Occurrence of diversity among organisms of same species whose members involve in sexual reproduction is genetic diversity.
(b) Species Diversity: Innumerable species of organisms occur in the nature. This is called species diversity. Species diversity includes various types of plants, animals and microbes.
(c) Ecosystem Diversity: Many ecosystems are present in each region. Ecosystem is formed through the interactions between plants, animals, microorganisms, and abiotic factors.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions: [5 M]" from P-2 Environmental management→P-2 Environmental management — all question types→Science STD 10 question papers→Maharashtra Board STD 10 question papers→Maharashtra Board question paper generator→

Similar questions

In the surgical method of birth control available for males, the structures A in the reproductive system are cut and ligated (tied up) at both ends. This prevents the reproductive cells B from coming out from the organs C where they are made in the male body. Since B cannot come out from the male body, they cannot fuse with cell D in the body of a female and hence pregnancy is prevented.
  1. What are structures A?
  2. What are cells B?
  3. Name the organs C.
  4. What is cell D?
  5. What is the name of this surgical procedure for birth control available to males?
→
What are symptoms of diseases like night blindness, rickets, beriberi, neuritis, pellagra, anaemia, scurvy?
→
What is a mirage? With a neat labelled diagram, explain the conditions under which it is seen.
→
Write short notes: Sacred Groves.
→
Gender of child is determined by the male? partner of couple. Explain with reasons whether this statement is true or false.###“A couple shall have a male child or female child totally depends upon husband”. Prove truthfulness of this statement with scientific reason.
→
Taking into consideration the period of the elements given below, answer the following questions:
ElementAtomic radius (pm)
O66
B88
C77
N74
Be111
Li152
i. Arrange the above elements in a decreasing order of their atomic radii.
ii. State the period to which the above elements belong.
iii. Why this arrangement of elements is similar to the above period of the modern periodic table?
iv. Which of the above elements have the biggest and the smallest atom?
v. What is the periodic trend observed in the variation of atomic radius while going from left to right within a period?
→
Pine oil is used in Froth floatation.
→
When a fertilised egg E formed in the oviduct of a human female divides repeatedly to form an embryo, the embryo gets implanted in the thick and soft lining of the uterus. After this a disc-like special tissue T develops between the uterus wall and embryo through which all the requirements of the developing embryo (and foetus) are met from the mother's body, The embryo is connected to the tissue T through a string like structure S.
  1. What is the other name of fertilised egg cell E?
  2. What is the name of tissue T?
  3. Name the string-like structure S.
  4. Name two substances which pass from mother's blood to embryo through tissue T and, one type of substance which passes from embryo to mother's blood.
  5. What happens to S when the baby is born? Why?
→
Write short notes: Connecting link.
→
Describe the human male reproductive system.
→