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प्रश्न
Why is genetic variation important in the plant Rauwolfia vomitoria?
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उत्तर
Genetic variation affects the production of the drug principle reserpine in the medicinal plant Rauwolfia.
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संबंधित प्रश्न
The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?
Define Hotspots.
Enlist various types of species diversity.
Explain the rivet Popper hypothesis.
True (or) False. If false write the correct answer.
Animal cells have cell wall.
True or False – If False give the correct answer
Animals are the greatest gift of nature
Match the following
| 1. | Cocoons | Meat |
| 2. | Peace silk | Poultry |
| 3. | Broilers | Silk worm |
| 4. | Sweet Liquid | Andhra pradesh |
| 5. | Goat | Honey |
Skull in humans consists of 22 bones.
Why do we find a decrease in biodiversity distribution, if we move from the tropics towards the poles?
About how many national parks are present in India?
Number of national parks and sanctuaries in Maharashtra are around ____________ and ____________ respectively.
The same land which is used for both cropping and forestry is ______
The Extinction of spices is called ______.
Give reason for the following.
Stable biosphere has to be conserved.
Which of the following are important components of biodiversity.
Among the ecosystem mentioned below where can one bind maximum biodiversity?
The active chemical drug resespite is obtained from ______.
Analogy:
Birds: ______:: ______: Cold-blooded.
Match the following:
| 1. | Cartilaginous | a. | Mullets |
| 2. | Bony fishes | b. | Sharks |
| 3. | Pneumatic bones | c. | Reptiles |
| 4. | Three chambered heart | d. | Birds |
Write the binomials of
- Man
- Tapeworm
Write a note on aves.
What is the difference between endemic and exotic species?
The number of taxa present within a particular area or an ecosystem is ______.
Ecological diversity exists at community level and is of three types. Select the correctly matched option for ecological diversity
Log S =log C = Z log A is the equation that depicts relation between______.
Explain how species diversity can harm ecosystem.
The table given below shows the Area, Y-intercept and regression coefficient of the continents namely, Africa and Europe. Study the table carefully and answer the questions that follow:
| Africa | Europe | |
| Area (A) | 62,000 km sq. | 65,000 km sq. |
| Y-intercept | (C) 10 | 20 |
| Regression coefficient (Z) |
1 | 1 |
- Calculate the species richness (S) of each continent.
- Which of these continents shows a higher biodiversity?
- State any two factors that cause an increase in biodiversity.
List of endangered species was released by ______.
