The most spectacular and evolutionarily fascinating example of mutualism is

1. Mycorrhizae

2. Lichens

3. Plant-animal relationship

4. Orchid and mango tree

Plants don't need the help of animals

1. For pollination

2. For dispersal of seeds

3. For both 1 and 2

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 2 and 3

Cheaters are

1. Flowers which do not give nectar and get pollinated

2. Animals which get nectar but do not pollinate

3. Both 1 and 2

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 a nutrition source for larvae

4. Wasp pollinates the fig's fruit while searching for a suitable egg-laying site

Sexual deceit is

1. All orchid employ it

2. Leaf resembles female bees in color size and markings

3. Male bee pseudocopulation the leaf

4. This male takes away pollen with itself and then goes to another flower for  pseudocopulation will shed pollens there

Mediterranean orchids and bees do not set an example of

1. Coevolution

2. Pseudocopulation

3. Mimicry

4. Commensalism

Symptoms of altitude sickness include all except

1. Nausea                     2.   Fatigue
2. Heart palpitation       4.   Hyperoxia

Shivering during cold is beneficial for mammals. It helps to

Many adaptations of an organism have evolved over a long duration of evolution and are______