In human evolution, the development of the brain and language is an example of:-

1. Convergent evolution

2. Divergent evolution

3. Parallel evolution

4. Adaptive radiation

Fish with stout and strong fins could move on land and go back to water. This was happened about:

1. 300 million years ago

2. 320 million years ago

3. 2000 million years ago

4. 350 million years ago

How many years ago dinosaurs suddenly disappeared from the earth ?

1. About 200 million years ago

2  About 65 million years ago

3. About 65 billion years ago

4. About 350 million years ago

Choose the incorrect match

1. First noncellular form of life – 3 bya

2. First cellular form of life – 2 bya

3. Fish like reptiles – 200 mya

4. Ramapithecus – 1.2 mya 

Industrial melanism is a phenomenon that is best demonstrated as

(1) Directional selection

(2) Pollution generated mutation

(3) Protective mimicry

(4) Defensive adaptation against UV radiations

Which of the following is an example of homologous organs?

1. Wings of butterfly and of birds

2. Eye of the Octopus and of mammals

3. Sweet potato and potato

4. Thorns of Bougainvillea and tendrils of Cucurbita

In England before industrialisation set in, it was observed that there were more white winged moths on trees than dark-winged or melanised moths. After industrialisation, there was more dark winged moths in the same area. The explanation put forth for this observation is 

a. White winged moths changed into melaised form in polluted environment due to deposition of soot

b. The tree trunks became dark due to industrial smoke and soots. Under this condition the white winged moth did not survive due to predator

c. Dark winged or melanised moth survived as they could hide in the background

d. Black winged moth are recessive mutants of the same gene

How many of the above statements are correct?

1 One 

2 Two

3 Three

4 Four

Mark the correct character of the following figure 

1 Tetrapedal and having bony plates on back

2 Tetrapedal and having collar on neck

3 Bipedal and have huge fearsome dagger-like teeth

4 Bipedal and have three horns on head

Who concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago?

1. Charles Lyell 

2. Charles Darwin

3. Lamarck

4. A. Weismann

Mark the incorrect statement with respect to evolution

1 When we see objects in our immediate surroundings we see them instantly and hence in the present time

2 When we look at stars on a clear night sky we are, looking back in time 

3 Stellar distances are measured in kilometers 

4 Huge clusters of galaxies comprise the universe