Cuckoos laying their eggs in the nests of crow is an example of:

1. Ectoparasitism 2. Endopararsitism
3. Hyperparasitism 4. Brood parasitism

Subtopic:  Population Interactions: Parasitism |
 94%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


An orchid growing as an epiphyte on a mango branch is an example of:

1. Ectoparasitism 2. Endopararsitism
3. Commensalism 4. Mutualism
Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 80%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


All the following relations are examples of commensalism except:

1. Sea anemone and clown fish
2. Cattle egret and grazing cattle
3. Barnacles growing on the back of whale
4. Cuscuta growing on hedge plants
Subtopic:  Population Interactions: Competition | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
 85%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Lichens represent an intimate mutualistic relationship between a fungus and:

1.an algae2.a cyanobacterium
3.a brown alga4.either 1 or 2

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


In mycorrhiza, the fungi help the plant in:
1. Synthesis of high energy carbohydrates
2. Absorption of essential nutrients from the soil
3. Nitrogen fixation
4. Biocontrol of pathogens

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 84%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The fig tree is pollinated by a:

1. Honeybee 2. Wasp
3. Bird 4. Moth
Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 91%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

To get pollinated by a bee, the Mediterranean Orchid, Ophrys, employs:
1. Sexual deceit
2. Pseudo-copulation
3. Reward in the form of nectar
4. Place for laying eggs

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 71%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Not all parasitism involves feeding on the body of the host. The exception is:
1. ectoparasitism
2. endoparasitism
3. parasitoids
4. brood parasitism

Subtopic:  Population Interactions: Parasitism |
 82%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


A feature of ‘r’ strategists would be:

1.few offspring2.little parental care
3.sigmoid growth curves4.a longer generation time

Subtopic:  Population Dynamic |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

advertisementadvertisement

The maximum population size of the species that the environment can sustain indefinitely is called as:

1.biotic potential2.natality
3.environmental resistance4.carrying capacity

Subtopic:  Population Dynamic |
 72%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.