CFC are air polluting agents which are produced by
- ADiesel trucks
- ✓Jet planes
- CRice fields
- DIndustries
Answer: B.
View full solution →Question types
Biodiversity, Conservation and Environmental Issues question types
586 questions across 10 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
586
Questions
10
Question groups
5
Question types
01
MCQ
219 Q→02Answer the following questions
109 Q→03Answer the following questions.
39 Q→04Answer the following questions in detail.
69 Q→05Answer the following questions in detail.
56 Q→06Complete the following table.
4 Q→07Diagram based question.
6 Q→08Write the short note.
13 Q→09Answer the following in detail :
66 Q→10Case study (4 Marks)
5 Q→Sample Questions
Biodiversity, Conservation and Environmental Issues questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The term “terror of Bengal’ is used for
- Aalgal bloom
- ✓water hyacinth
- Cincreased BOD
- Deutrophication
Answer: B.
View full solution →Which of the following factors will favour species diversity?
- ✓Invasive species
- BGlaciation
- CForest canopy
- DCo-extinction
Answer: A.
View full solution →Select odd one out on the basis of Ex situ conservation.
- ✓Zoological park
- BTissue culture
- CSacred groves
- DCryopreservation
Answer: A.
View full solution →Observe the graph and select the correct option.
- ALine A represents, S = CA²
- BLine B represents, log C = log A + Z log S
- ✓Line A represents, $S=C A^Z$
- DLine B represents, log S = log Z + C log A
Answer: C.
View full solution →What do you understand by EW category of living being?
Give one example of natural pollutant.
Where was ozone hole discovered?
Question 2.
Name any two modern techniques of protection of endangered species.
OR
Two modern methods of ex-situ conservation of species
Name any two modern techniques of protection of endangered species.
OR
Two modern methods of ex-situ conservation of species
Give two examples of biodegradable materials released from sugar industry.
Name two types of particulate pollutants found in air. Add a note on ill effects of the same on human health. OR Describe any $2$ particulate and gaseous pollutants.
View full solution →State the effects of CO in human body. OR How does CO cause giddiness and exhaustion?
Greenhouse effect is boon or bane? Give your opinion.
How does genetic diversity affect sustenance of a species?
Tropical regions exhibit species richness as compared to polar regions. Justify.
What is Joint Forest Management?
Why Amrita Devi Bishnoi Wildlife Protection Award is started by Government of India? To whom is it given?
How Jhum cultivation has lead to deforestation in recent years?
What is Jhum cultivation?
What are the causes of deforestation?
How Indian culture and traditions helped in bio-diversity conservation? Give importance of conservation in terms of utilitarian reasons.
During large public gatherings like Pandharpur vari, mobile toilets are deployed by the government. Explain how this organic waste is disposed.
How BS emission standards changed over time? Why is it essential?
Name any 2 personalities who have contributed to control deforestation in our country. Elaborate on importance of their work.
Montreal Protocol is an essential step. Why is it so?
Complete the given table
View full solution →| Name of polluting gas | Source | Effect |
| —————— | ————– | Combining with haemoglobin and causing respiratory problems |
| $NO_2$ | Chemical industries | —————– |
| $CO_2$ | ————— | —————— |
| ——————- | Biogas plants | Greenhouse effect |
Complete the given table:
| Vehicle | Norms | Cities of Implementation |
| —————- | Bharat Stage II | ——————- |
| 4 wheelers | Bharat Stage III | —————— |
| 4 wheelers | ————— | 13 mega cities (Delhi and NCR, Mumbai, Kolkata, Chennai, Bengaluru, Surat, Kanpur, Agra, Lucknow, Solapur) since April 2010. |
| 2 wheelers | Bharat Stage III | ——————– |
| ————— | Bharat Stage III | Throughout the country since October 2010 |
Karnataka, Chanda, Khasi, Rajasthan, Sarguja, Jaintia, Maharashtra, Bastar.
| Region | Sacred groves seen at |
| (1) Meghalaya | ____________________ |
| (2) Western ghat regions | ____________________ |
| (3) Aravali hills | ___________________ |
| (4) Madhya Pradesh | ___________________ |
Classify the following
Dust, Carbon monoxide, Lead, Smog, Methane, Mercury, DDT, Cadmium.
Dust, Carbon monoxide, Lead, Smog, Methane, Mercury, DDT, Cadmium.
| Column A | Column B (Examples) |
| (1) Particulate pollutant | ————— |
| (2) Gaseous pollutant | ————— |
| (3) Biomagnification | ————— |
| (4) Heavy metals | ————– |
Explain the phenomenon of biomagnification by observing the diagram given below. ### Explain the phenomenon of biological magnification.
Observe the graph and explain Alexander von Humboldt’s views about species richness and area relationship.
Observe the given diagram and answer the questions based on it.
(a) Which apparatus is shown in the given diagram ?
(b) What is the function of this apparatus?
(c) What are the reactions that can take place in blocks 1, 2, and 3?
(a) Which apparatus is shown in the given diagram ?(b) What is the function of this apparatus?
(c) What are the reactions that can take place in blocks 1, 2, and 3?
Observe the given diagram and answer the questions given below.
$(a)$ What is the name of this equipment?
$(b)$ What is the function of such equipment?
$(c)$ Explain its working in brief.
View full solution →$(a)$ What is the name of this equipment?
$(b)$ What is the function of such equipment?
$(c)$ Explain its working in brief.
Observe the figure and answer the following questions.
(a) Identify the given instrument.
(b) What is its significance?
(c) Explain its working in brief.
(a) Identify the given instrument.
(b) What is its significance?
(c) Explain its working in brief.
Mission Harit Maharashtra.
Greenhouse effect.
Sanitary landfills.
Ecosan.
Thermal pollution.
‘There is a hole in the ozone layer.’ What do you understand by this ?
Why greenhouse gases are increasing in their proportion?
How citizens should sort out solid wastes?
Why do you think the amount of DDT is maximum in birds?
Explain BOD and its effects on aquatic ecosystem.
| Indian region shows | Number |
| (1) Biosphere reserves | (a) 448 |
| (2) National parks | (b) 14 |
| (3) Wildlife sanctuaries | (c) 90 |
| Column I (Phenomena) | Column II (Effect) |
| (1) Eutrophication | (a) Soil erosion |
| (2) Biomagnification | (b) Prevention of extinction |
| (3) Conservation | (c) Accumulation of non-biodegradable substance |
| (4) Deforestation | (d) Death of aquatic ecosystem |
| Column A | Column B |
| (1) Walter Rosen | (a) Popularisation of term biodiversity |
| (2) David Tillman | (b) Rivet Popper Hypothesis |
| (3) Paul Ehrlich | (c) Productivity Stability Hypothesis |
| (4) Edward Wilson | (d) Coined |
Distinguish between : In-situ and ex-situ conservation.
Distinguish between : Genetic diversity and Species diversity.
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