Palaeozoic Era

Q.

Fill in the blanks.

-------------- is considered as direct ancestor of modern man.

Q. Cambrian, Ordovician , Silurian, Devonian, Carboniferous and Permian are the six periods of the ___ era.

Q.

Fill in the blanks:

Homo sapiens sapiens evolved from -------------

Q.

What is the carboniferous period?

Q. Peripatus is a connecting link between

1. Coelenterata and Porifera
2. Ctenophora and Platyhelminthes
3. Mollusca and Echinodermata
4. Annelida and Arthropoda

Q.

The scientific name of modern man is _______. (Homo erectus/homo sapiens)

Q.

The different forms of interbreeding species that live in different geographical regions are called

1. sibling species

2. sympatric species

3. allopatric species

4. polytypic species

Q. In the following question a statement of assertion (A) is followed by a statement of reason (R).

A - Human beings are more closely related to apes than to monkeys.
R - All the three, monkeys, apes and humans have a common ancestry.

1. Assertion and reason are true, and the reason is the correct explanation of the assertion
2. Assertion and reason are true, and the reason is not the correct explanation of the assertion
3. Assertion is a true statement but the reason is false
4. Assertion and reason are false statements

Q.

Geographic and reproductive isolations are most closely associated with:

1. Extinction

2. Speciation

3. Succession

4. Competition

Q.

Absent/least abundant in the atmosphere during origin of life

O2

H2

Q. Which is correct order of increasing geological time scale for a hypothetical vertebrate evolution?

1. Cenozoic, mesozoic, palaeozoic, precambrian
2. Cenozoic, palaeozoic, mesozoic, precambrain
3. Precambrian, cenozoic, palaeozoic, mesozoic
4. Precambrian, palaeozoic, mesozoic cenozoic

Q. During which geological period of evolution did the greatest diversification of life occurred on the earth?

1. Jurassic
2. Permian
3. Cambrian
4. Ordovician

Q. In which era mammals and birds evolved?

1. Mesozoic
2. Cenozoic
3. Palaeozoic
4. Precambrian

Q. Read the following statements and choose the correct option.

Statement I: Wombat, bandicoot and koala are examples of Australian marsupials.
Statement II: The reason for their survival is the absence or less of competition from any other mammal.

1. Statement I is true, statement II is false
2. StatementI is false, statement II is true
3. Both statements I and II are false
4. Both statements I and II are true

Q. Following is given the diagrammatic representation of evolutionary history of vertebrates through geological periods. Identify the geological periods. Identify the geological periods $(A,B,C$ and $D)$ and select the correct option.

1. Carboniferous, Triassic, Cretaceous, Quaternary
2. Jurassic, Permian, Tertiary, Cretaceous
3. Permian, Jurassic, Quaternary, Tertiary
4. Cretaceous, Quaternary, Carboniferous, Jurassic

Q. Match the following columns.

Column I (Organism)	Column II (Connecting link)
A. Echidna	1. between Annelida and Mollusca
B. Peripatus	2. between Reptiles and Mammals
C. Neopilina	3. between Annelida and Arthropoda
D. Protopterus	4. between Pisces and Amphibian

1. A- 4, B- 2, C- 1, D-3
2. A- 3, B- 1, C- 2, D- 4
3. A- 2, B- 3, C- 1, D- 4
4. A- 4, B- 3, C- 2, D- 1

Q. Age of mammals and birds is

1. Mesozoic
2. Coenozoic
3. Archaeozoic
4. Palaeozoic

Q. Identify the correct arrangement of periods of Palaeozoic era in ascending order in geological time scale.

1. $Cambrian\to Devonian\to Ordovician\to Silurian\to Carboniferous\to Permian$
2. $Cambrian\to Ordovician\to Silurian\to Devonian\to Carboniferous\to Permian$
3. $Cambrian\to Ordovician\to Devonian\to Silurian\to Carboniferous\to Permian$
4. $Silurian\to Devonian\to Cambrian\to Ordovician\to Permian\to Carboniferous$

Q. The correct sequence of stages in the evolution of modern man (Homosapiens), is –

1. Neanderthal man, Australopithecus, Cro-Magnon man, Homo erectus, Modern man
2. Australopithecus, Neanderthal man, Cro-Magnon man, Homo erectus, Modern man
3. Australopithecus, Homo erectus, Neanderthal man, Cro-Magnon man, Modern man
4. Homo erectus, Australopithecus, Neanderthal man, Cro-Magnon man, Modern man

Q. Dinosaurs became extinct in

1. Permian
2. Jurassic
3. Triassic
4. Cretaceous

Q. What is the correct arrangement of periods of Palaeozoic era in ascending order in geological time scale ?

1. Cambrian$\to$ Devonian$\to$ Ordovician$\to$ Silurian$\to$ Carboniferrous$\to$ Permian
2. Cambrian$\to$ Ordovician$\to$ Silurian$\to$ Devonian$\to$ Carboniferous$\to$ Permian
3. Silurian$\to$ Devonian$\to$ Cambrian$\to$ Ordovician$\to$ Permian$\to$ Carboniferous
4. Cambrian$\to$ Ordovician$\to$ Devonian$\to$ Silurian$\to$ Carboniferrous$\to$ Permian

Q. 'Era of mammals' is ________.

1. Coenozoic
2. Mesozoic
3. Palaeozoic
4. Archaeozoic

Q. Golden era/age of reptiles is

1. Palaeozoic
2. Recent
3. Mesozoic
4. Proterozoic

Q. The mesozoic era of earth is called the

1. Age of amphibians
2. Age of armoured fishes
3. Age of primitive man
4. Age of ruling reptiles

Q. Geological time scale was first developed by

1. Leonardo da Vinci
2. Georges Caviar
3. Giovanni Avaduina
4. Boltwood

Q. Mesozoic era is known as golden age of

1. Fishes
2. Amphibians
3. Reptiles
4. Molluscs

Q. The connecting link between Annelida and Mollusca is :-

1. Peripatus
2. Hirudinaria
3. Neopilina
4. Bonellia

Q. Cenozoic era is age of

1. Fishes
2. Amphibians
3. Mammals
4. Reptiles

Q. Mammals arose from reptiles in

1. Jurassic period of mesozoic era
2. Cretaceous period of mesozoic era
3. Triassic period of mesozoic era
4. Carboniferous age

Q. Ancestral amphibians were tetrapoda that evolved during

1. Jurassic period
2. Devonian period
3. Carboniferous period
4. Cretaceous period