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

1. Nectar

2. Pollen

3. Juicy and nutritious fruits

4. Both 2 and 3

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

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 63%
From NCERT
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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

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 50%
From NCERT
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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

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 52%
From NCERT
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Mediterranean orchids and bees do not set an example of

1. Coevolution

2. Pseudocopulation

3. Mimicry

4. Commensalism

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 66%
From NCERT
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Symptoms of altitude sickness include all except

  1. Nausea                     2.   Fatigue
  2. Heart palpitation       4.   Hyperoxia
Subtopic:  Adaptations (OLD NCERT) |
 85%
From NCERT
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Shivering during cold is beneficial for mammals. It helps to

(1) Decrease body temperature.    

(2) Increase body temperature.

(3) Decrease rate of metabolism.

(4) None of these

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 91%
From NCERT
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Many adaptations of an organism have evolved over a long duration of evolution and are______

(1) Genetically unstable.

(2) Genetically fixed.

(3) Genetically disadvantageous.

(4) Genetically extemporaneous.

Subtopic:  Adaptations (OLD NCERT) |
 79%
From NCERT
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The main reason behind building burrows in soil by burrowing animals is

(1) To escape from predators.

(2) To derive nutrition parts of plants from Underground.

(3) The mode of evolution chose burrows as a specific habitat.

(4) To hide and escape from the above ground heat.

Subtopic:  Adaptations (OLD NCERT) |
 84%
From NCERT
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Choose the odd one out with respect to structure formed in the different organisms during suspended phase.

(1) Bacteria                          -        Thick-walled spores

(2) Higher plants                  -        Seeds, vegetative propagules

(3) Zooplankton                    -        Diapause state

(4) Ectothermic organism      -        Torpid state during favourable season.

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 78%
From NCERT
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