Write one symptom of each of two diseases which might be caused if suspended particulate matter enters into the respiratory tract through inspiration. Construct the sequence of events when agricultural runoff is drained into water bodies. [2+3=5]
OR
Poaching is one of the main reasons behind the depletion of biodiversity-Prepare a list of any three such endangered wild animals resulting from it. Show the various methods of conservation of biodiversity with the help of a chart. [3+2=5]
Symptoms of two diseases caused by suspended particulate matter:
Sequence of events when agricultural runoff is drained into water bodies:
Or
Three endangered animals due to poaching:
Methods of conservation of biodiversity:
| Method | Description |
|---|---|
| Protected areas | Establishing National Parks and Sanctuaries to protect wildlife. |
| Species management | Captive breeding and rehabilitation to increase populations. |
| Education | Raising awareness about the importance of biodiversity. |
| Sustainable use | Using biological resources without harming the environment. |
| Research | Studying species and ecosystems to inform conservation efforts. |
More WBBSE Easy level questions
Wite the name of two santuaries of West Bengal
Write one feature of a biodiversity hotspot.
Nilgiri and ____ are both Biosphere Reserves.
A disease related to air pollution is ____.
Which of the following phenomena occurs when chlorinated insecticides enter a food chain? (a) Biomagnification (b) Global warming (c) Eutrophication (d) Deafness
Three environmental problems of the Sunderbans are- imbalance in the numbers of prey and predators destruction of mangrove plants due to urbanisation rising sea level Analyse the probable effects of the three problems. Mention the location and the name of one endangered species of a biodiversity hotspot distributed in and outside the geographical area of India. [3+2=5] OR Describe the nitrogen cycle with the help of a word diagram. Analyse any two problems which may arise if the nitrogen cycle is disturbed. [3+2=5]
Prepare a list of diseases linked with pollution as observed by a doctor among her or his patients in a whole day. Which in-situ measures are associated with the conservation of tiger and one-horned rhinoceros in the same national park? [3 + 2]
Which one of the following is an incorrect food chain? (a) Grass → Rabbit → Snake → Hawk (b) Grass → Grasshopper → Frog → Snake (c) Grass → Cow → Man → Tiger (d) Grass → Insect → Rat → Snake
The smallest unit of an ecosystem containing both biotic and abiotic factors is— (a) A green leaf (b) A flowering branch (c) An organ of a plant (d) A pond
Write the names of two national parks of West Bengal.
What might be the environmental causes behind asthma?
Liquid Nitrogen and -196℃ temperature are used in Cryopreservation.
