Download App

P-2 Environmental management — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-2 Environmental management5 Marks
Question
What is radioactive pollution? What are its effects?
✓

Answer

(1) The radiations emitted either through the natural sources or through man-made sources cause radioactive pollution.
(2) The natural radiations is in the form of ultra violet and infrared radiations.
(3) Artificial or man-made radiations are X-rays and radiations from atomic energy plants.
(4) All radiations are highly hazardous for the living organisms. The impact of radiation is also for a very long time.
(5) It has brought about major accidental mishaps at Chernobyl, Windscale, qpd Three Miles Island. These disasters have affected thousands of people.
(6) Some other effects of radiations are as follows – (i) Due to higher radiations of X-rays, cancerous ulceration occurs, (ii) Radiations destroy the body tissues, (iii) Radiations cause mutations and thus genetic changes occur, (iv) There is adverse effect on the vision.

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

Write Short note: Biotechnology: Professional uses. (Commercial uses)
→
Complete the chart as per the objectives of first aid.
→
A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
  1. Write a food chain comprising all the four organisms mentioned above.
  2. Name (i) one herbivore, and (ii) two carnivores, in this food chain.
  3. Name the link which is a predator as well as a prey.
  4. Name (i) second trophic level, and (ii) third trophic level.
  5. Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
  6. If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.
→
A nuclear reaction is represented by the following equation:
$^{235}_{\ \ 92}\text{U}+{^{1}_{0}\text{n}}\rightarrow{^{139}_{\ \ 56}\text{Ba}}+{^{94}_{36}\text{Kr}}+\text{xc}+\text{E}$
  1. Name the process represented by this equation and describe what takes place
  2. Identify the particle c and the number x of such particles produced in the reaction.
  3. What does E represent?
  4. Name one installation where the above nuclear reaction is utilised.
  5. What type of bomb is based on similar type of reaction?
→
Draw a labelled diagram of the human respiratory system.
→
A rainbow is the combined effect (an exhibition) of the refraction, dispersion, and total internal reflection of light (taken together). (Practice Activity Sheet – 1)
(OR)
With a neat labelled diagram, explain how the formation of rainbow occurs.
→
Make a chart which shows the name of the element, valency, atomic number, electronic configuration in the 2nd row of the modern periodic table and arrange these elements in ascending order of atomic mass.
→
i. Sketch and label the essential and accessory whorls of flower.
ii. What is pollination?
iii. Give any two examples of agents of pollination.
→
What is meant by an artificial satellite? How are the satellites classified based on their functions?
(OR)
Write the importance of artificial satellites in your words. (Practice Activity Sheet – 3)
→
Write short note: Pre-disaster management.
→