Q. No.In the following questions a statement of assertion (A) is followed by a statement of reason (R).
A: Sacred forests are refuge of rare, endangered and endemic taxa.
R: The land of sacred forests is fertile.
1. Both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2. Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true statement but Reason is false.
4. Both Assertion and Reason are false statements.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
A: Sacred forests are refuge of rare, endangered and endemic taxa.
R: The land of sacred forests is fertile.
1. Both Assertion & Reason are true and the reason is the correct explanation of the assertion.
2. Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true statement but Reason is false.
4. Both Assertion and Reason are false statements.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
A. It increases from high to low latitudes
B. Increased biodiversity contributes to higher productivity
C. Within a region, species richness increases with increasing explored area
D. Loss of biodiversity in a region leads to decreased variability in ecosystem processes
E. Tropical environments promote niche specialization and lead to decrease in biodiversity
Choose the correct answer from the options given below:
1. A, D only
2. B, C, D Only
3. B, E only
4. D, E only
| Statements I: | Species confined to a particular region and are not found anywhere else are called endemic species |
| Statement II: | Keystone species are usually abundant in an ecosystem |
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Reason(R): There are published records of all the species discovered and named.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Biodiversity knows no political boundaries.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Match the animals given in coloumn I with their location in coloumn II :
| Column I | Column II | ||
| A | Dodo | (i) | Africa |
| B | Quagga | (ii) | Russia |
| C | Thylacine | (iii) | Mauritius |
| D | Stellar's sea cow | (iv) | Australia |
Choose the correct match the following
1. A -i , B-iii, C-ii , D-iv
2. A -iv , B-iii, C-i , D-ii
3. A -iii , B-i, C-ii , D-iv
4. A -iii , B-i, C-iv , D-ii
Given below are three statements (A-E) each with one or two blanks. Select the option which correctly fills up the blanks.
Statements:
A. The tropics (between _____I_____) harbour more species than temperate and polar regions.
B. For example, Columbia situated near _____II_____, has about 1400 species of birds, while New York (41°N) has 105 species, Greenland (71°N) has about 56 species and India (in the equator region) has _____III_____ species.
C. The number of species of vascular plants in tropics is about _____IV_____ times more of that of temperate forests.
D. The _____V_____ rain forest in Brazil, South America has the greatest biodiversity on earth.
E. Since the origin of life on earth and evolution, there have been five episodes of mass extinction, but the current rate of extinction (6 mass extinction - due to human activities) is _____VI_____ times faster than them, due to human activities:
Options:
1. I - 0°N to 90°S, II - equator, III - 1200, IV - five, V - Amazonian, VI - 100 - 1000
2. I - 23.5°N to 23.5°S, II - equator, III - 10000, IV - ten, V - Amazonian, VI - 100 - 1000
3. I - 23.5°N to 23.5°S, II - equator, III - 1200, IV - ten, V - Amazonian, VI - 100 -1000
4. I - 23.5°N to 23.5°S, II - equator, III - 1200, IV - ten, V - Amazonian, VI - 100 - 10000
नीचे दिए गए तीन कथन (A-E) हैं जिनमें से प्रत्येक में एक या दो रिक्त हैं। उस विकल्प का चयन करें जो रिक्त स्थान को सही रूप से भरता है।.
कथन:
A. उष्णकटिबंध (_____I_____ के बीच) समशीतोष्ण और ध्रुवीय क्षेत्रों की तुलना में अधिक प्रजातियों को पाया जाता है।
B. उदाहरण के लिए, कोलंबिया _____II_____ के पास स्थित है, जिसमें पक्षियों की लगभग 1400 प्रजातियां हैं, जबकि न्यूयॉर्क (41 ° N) में 105 प्रजातियां हैं, ग्रीनलैंड (71 ° N) में लगभग 56 प्रजातियां हैं और भारत (भूमध्य रेखा क्षेत्र में) में _____III_____ प्रजातियां हैं।
C. उष्ण कटिबंधीय वनों में संवहनी पौधों की प्रजातियों की संख्या _____IV_____ से अधिक है।
D. ब्राजील, दक्षिण अमेरिका में _____V_____ वर्षा वन पृथ्वी पर सबसे बड़ी जैव विविधता है।
E. पृथ्वी और विकास पर जीवन की उत्पत्ति के बाद से, जन विलुप्त होने के पांच एपिसोड रहे हैं, लेकिन विलुप्त होने की वर्तमान दर (6 बड़े विलुप्त होने - मानव गतिविधियों के कारण) मानवीय गतिविधियों के कारण _____VI_____ उनसे अधिक तेज है:
विकल्प:
(a) I - 0°N to 90°S, II - भूमध्यरेखा , III - 1200, IV - पाँच, V -अमेजन, VI - 100 - 1000
(b) I - 23.5°N to 23.5°S, II - भूमध्यरेखा, III - 10000, IV - दस, V - अमेजन, VI - 100 - 1000
(c) I - 23.5°N to 23.5°S, II - भूमध्यरेखा, III - 1200, IV - दस, V - अमेजन, VI - 100 -1000
(d) I - 23.5°N to 23.5°S, II - भूमध्यरेखा, III - 1200, IV - दस, V - अमेजन, VI - 100 - 10000
In the following, in each set, a conservation approach and an example of a method of conservation are given.
| (a) | In-situ conservation - Biosphere Reserve |
| (b) | Ex-situ conservation - Sacred groves |
| (c) | In-situ conservation - Seed bank |
| (d) | Ex-situ conservation - Cryopreservation |
Select the option with the correct match of approach and method:
| 1. | (a) and (c) | 2. | (a) and (d) |
| 3. | (b) and (d) | 4. | (a) and (b) |
Which of the following is correctly matched?
1. Aerenchyma - Opuntia
2. Age pyramid - Biome
3. Parthenium hysterophorus - Threat to biodiversity
4. Stratification - Population
Find the wrongly matched pair.
|
1. |
Endemism |
Species confined to a region and not found |
|
2. |
Hotspots |
Western ghats |
|
3. |
Ex-situ |
Zoological parks |
|
4. |
Sacred groves |
Saintri hills of Rajasthan |
|
5. |
Alien sp. |
Water hyacinth |
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