IMPORTANT QUESTIONS OF HISTORY CLASS 11TH

                                  

From C-1 From the beginning of time

 


 Q.1- What is the difference between Hominoids and Hominids?

 Ans.  ⇒  Hominoids

1.Hominoids have large brain.

2.They are quadrupeds walking on four legs.

3.They have flexible forelimbs and marked differences in the hand.

  ⇒ Hominids

1.Hominids have a little brain.

2.Hominids have an upright posture and bipedal locomotion(walking on two feet).

3.They have flexibility in hand,leg and fingers which helped them to make tools and weapons.

Q.2-What is the difference between Australopithecus and homo?

Ans.  ⇒ Australopithecus

1.Small brain size

2.Heavier jaws

3.Larger teeth

       ⇒ Homo

1.Larger brain size

2.Less heavier jaws than Australopithecus

3.Small teeth

Q.3 - What do we mean by positive feedback mechanism?

Ans- Some of the features or developments in the anatomy of early human beings favoured or shaped them to become modern human beings.These developments are together called positive feedback mechanism.

Q.4-Who were homo habilis ,homo erectus and homo sapiens?

Ans-1. Homo habilis – The tool maker(2.4 -1.5 MYA)

       2. Homo erectus - The upright man(1.9 MYA)

       3. Homo sapiens – Wise or thinking

           man(2,00,000 years ago)

Q.5- What are the evidences suggest an African origin for hominids?                                                    

 Ans. There are two evidences suggest an african origin for hominids-

1. First,hominoids is the group of African apes that are most closely related to hominoids.

2.Second,the earliest hominoids fossils,which belong to the australopithecus, have been found in East Africa and date back to about 5.6 mya. In contrast,fossil found outside Africa are no older than 1.8 mya.