|
What is a clone?
|
|
1
|
4596
|
September 23, 2016
|
|
Ist four methods of contraception used by humans
|
|
1
|
6984
|
September 23, 2016
|
|
Explain the birth rate and death rate in population with the help of an example
|
|
1
|
3946
|
September 3, 2016
|
|
Draw and explain a logistic curve for a population of density at time whose intrincic rate of natural increase is and carrying capacity is k
|
|
0
|
3883
|
September 3, 2016
|
|
Write the parasitic adaptations the parasites have evolved in accordance with their lifestyles
|
|
1
|
2521
|
September 3, 2016
|
|
Study the graph give below and answer the question that follow :
|
|
1
|
1064
|
September 3, 2016
|
|
Why do clown fish and sea anemone pair up ? What is this relationship called?
|
|
0
|
1951
|
September 3, 2016
|
|
Explain brood parasitism with the help of an example
|
|
0
|
885
|
September 3, 2016
|
|
How does Monarch butterfly defend itself from predators ? Explain
|
|
0
|
3328
|
September 3, 2016
|
|
Construct an age pyramid which reflects an expanding growth status of human population
|
|
0
|
2752
|
September 3, 2016
|
|
Apart from being part of the food chain, predators play other important roles.Mention any two such roles supported by examples
|
|
0
|
1200
|
September 3, 2016
|
|
Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship
|
|
0
|
806
|
September 3, 2016
|
|
Explain Verhulst - Pearl Logistic Growth of a population
|
|
0
|
4847
|
September 3, 2016
|
|
Differentiate between commensalism and mutualism by taking one example each from plants only
|
|
0
|
2859
|
September 3, 2016
|
|
Construct an age pyramid which reflects a stable growth status of human population
|
|
0
|
1250
|
September 3, 2016
|
|
In a pond, there were 20 hydrilla plants.Through reproduction 10 new Hydrilla plants were added in a year.Calculate the birth rate of the population
|
|
0
|
4417
|
September 3, 2016
|
|
Comment on the interaction between a clown fish living among the tentacles of a sea anemone
|
|
0
|
2306
|
September 3, 2016
|
|
If 8 individuals in a labrotary population of 80 fruitflies died in a week,then what would be the death rate for population for the said period
|
|
0
|
420
|
September 3, 2016
|
|
Pollinating species of wasps shows mutualism with specific fig plants.Mention the benefits the female wasps derive from the fig trees from such an interaction
|
|
0
|
2292
|
September 3, 2016
|
|
Name the interaction between a whale and the barnacles growing on its back
|
|
0
|
1541
|
September 3, 2016
|
|
How are closely related species of warblers able to co-exist in a competitive environment?
|
|
0
|
1851
|
September 3, 2016
|
|
An exotic variety of prickly pear introduced in Australia turned out to e invasive.How was it brought under control?
|
|
0
|
1894
|
September 3, 2016
|
|
Name the type of association that the genus Glomus exhibits with higher plants
|
|
0
|
3041
|
September 3, 2016
|
|
State Gause's Competitive Exclusion Principle
|
|
0
|
2664
|
September 3, 2016
|
|
How do organisms like fungi, zooplanktons and bears overcome the temporary short-lived climatic stressful conditions?
|
|
0
|
1217
|
September 3, 2016
|
|
Water is very essential for life.Write any three features both for plants and animals enable them to survive in water scarce environment
|
|
0
|
3398
|
September 3, 2016
|
|
How do organisms like fungi, zooplanktons and bears overcome the temporary short-lived climatic stressful conditions?Explain
|
|
0
|
3556
|
September 3, 2016
|
|
Why do we experience shivering during winter when temperatures is very low?
|
|
0
|
1569
|
September 3, 2016
|
|
Some organism suspend their metabolic activities to survive in unfavourable conditions.Explain with the help of any four examples
|
|
0
|
1636
|
September 3, 2016
|
|
Why do algae and fungi shift to sexual mode of reproduction just before the onset of adverse conditions?
|
|
0
|
4907
|
September 3, 2016
|