Which of the following as a living fossil 

•  Pinus 

• Gnetum

• Ginkgo 

• Riccia

Documented microfossils have been found that are as old as

• 2.5 billion years

• 1.5 billion years

• 3.5 billion years

• 2.5 million years

Dinosaurs become extinct in

• Permian age

• Triassic period

• Jurassic period

• Cretaceous period

During starvation what will be sequence of ending of food stuffs ?

• Carbohydrates - Fat- Protein

• Carbohydrate - Protein - Fat

• Fat - Protein - Carbohydrate

• Fat - Carbohydrate- Protein

Stanley Miller performed an experiment to prove the origin of life. They took gases NH₃ and H₂ along with

• N₂ and H₂O

• H₂O and CH₄

• CH₄ and N₂

• CO₂ and NH₃

The first animal domesticated by primitive man was

• dog

• horse

• cat

• cow

Set which includes only analogous organs is

• wings of butterfly, housefly and bat

• hindlegs of horse, grasshopper and bat

• wings of butterfly and wingspread of bat and birds

• mandibles of cockroach, mosquito and honey bee

Which one of the following is vestigeal organ of human

• Hair

• Intestine

• Wisdom teeth

• Muscle of glottis

Example of analogous organs is :

•  wings of bird and insect

• forelimbs of horse and man

• teeth of elephant and man

• none of the above

Which one is not correct?

• Human - Ureotelic

• Birds - Uricotelic

• Lizards - Uricotelic

• Whale - Ammonotelic