The first form of life were not

(1) Single cells

(2) in water environment only

(3) originated till about 200million years ago

(4) Both A and B

(1) All living organisms were created as such

(2) Diversity was same since the creation.

(3) Diversity will increase as the changes in the environment come.

(4) The Earth is about 4000 years ago.

(1) Existing life forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago.

(2) Many life forms do not exist now.

(3) There has been gradual evolution of life forms

(4) The Earth was about 4000 years ago.

(1) During a sea voyage in a sail ship called H.M.S. Beagle round the Europe

(2) During a sea voyage in a sail ship called M.H.S. Beagle round the Africa

(3) During a sea voyage in a sail ship called H.M.S. Beagle round the world

(4) During a sea voyage in a sail ship called M.H.S. Beagle round the world

(1) Alfred Wallace

(2) Oparin

(3) Haldane

(4) L.Miller

(1) A study of fossils in different sedimentary layers indicates the geological period in which they existed

(2) The new life forms have arisen at same time in the history of Earth

(3) Fossils are remains of hard parts of rocks showing the presence bof carbon in life forms

(4) Both B and C

(1) Karl Ernst Von Baer

(2) Ernst Heckel

(3) Charles Darwin

(4) Alfred Wallace

(1) Divergent

(2) Convergent

(3) Adaptive radiation

(4) Natural selection

(1) Vetebrate hearts

(2) Wings of butterfly and birds

(3) Vertebrate brains

(4) Both B and C

(1) b)-a)-g)-f)-e)-d)-c)

(2) e)-b)-g)-a)-f)-c)-d)

(3) g)-a)-f)-b)-e)-d)-c)

(4) c)-a)-f)-g)-d)-e)-b)