Which of the following is not an example of commensalism?

1. Orchid over mango tree
2. Barnacle on the back of whale
3. Cattle egret and grazing cattle
4. Cuscuta and hedge plants

lichens

1. An intimate mutualistic relationship
2. Between fungus and algae
3. Both A and B
4. Confers benefit to one

Mycorrhizae are associations between

1. Fungi and roots of higher plants
2. Fungi and algae
3. Fungi and cyanobacteria
4. Both B and C

Higher plants provide …….to fungi in Mycorrhizae?

1. Energy yielding Fats
2. Energy yielding carbohydrate
3. Energy yielding Proteins
4. Energy yielding organic Acid

The most spectacular and evolutionarily fascinating example of mutualism is

1. Mycorrhizae
2. Lichens
3. Plant-animal relationship
4. Orchid and mango tree

Plants doesn't need the help of animals

1. For pollination
2. For dispersal of seeds
3. For both A and B
4. For nutrient absorption

Pollinators didn't get which of the following awards (generally)?

1. Nectar
2. Pollen
3. Juicy and nutritious fruits
4. Both B and C

Dispersal of seed in plants is aided by?

1. Nectar
2. Pollen
3. Juicy and nutritious fruits
4. Both A and B

Cheaters are

1. Flowers which do not give nectar and get pollinated
2. Animals which get nectar but do not pollinate
3. Both A and B
4. Animals try to steal nectar by giving them false pollen

Many species of Fig and Wasp show

1. One to one relationship
2. One Fig species will be pollinated by many wasp species
3. male wasp uses the fruit not only oviposition site but gets developing seeds as nutrition source for larvae
4. Wasp pollinates the fig's fruit while searching for suitable egg-laying site