XII Origin & Evolution

Question 1

Big Bang Theory was proposed by _______.

Answer 1

George Lamaitre

Question 2

The Big Bang explosion was _________ and ___________.

a) Single, Chemical
b) Double, Nuclear
c) Single, Thermonuclear
d) Double, Physical

Answer 2

Single ; Thermonuclear

Question 3

Primitive Earth was formed _______ years ago

Answer 3

4.5 BYA

Question 4

Stellar Distance is measured in _____________.

Answer 4

Light Years

Question 5

According to the Special Creation Theory, Earth was formed ________ years ago.

Answer 5

4000 YA

Question 6

__________ is a favorite idea of Astronomers

1) Theory of Abiogenesis
2) Special Creation Theory
3) Theory of Biogenesis
4) Cosmic Panspermia Theory

Answer 6

Cosmic Panspermia Theory

Question 7

Other name for Spontaneous Generation Theory -

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 7

Abiogenesis Theory

Question 8

Which theory says that ‘Life has originated from Decaying Matter?’

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 8

Abiogenesis Theory

Question 9

Which theory was supported by Louis Pasteur?

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 9

Theory of Biogenesis

Question 10

Theory of Biogenesis was proposed by -

a) Father Suarez
b) HH Cousins
c) Oparin & Haldane
d) Harvey & Huxley

Answer 10

Harvey & Huxley

Question 11

Louis Pasteur by his Swan Neck Experiment disproved -

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 11

Theory of Abiogenesis

Question 12

Louis Pasteur by his Swan Neck Experiment proved -

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 12

Theory of Biogenesis

Question 13

Most acceptable theory -

a) Biogenesis Theory
b) Oparin Haldane Theory
c) Abiogenesis Theory
d) Modern Theory

Answer 13

Oparin Haldane Modern Theory

Question 14

According to the Modern Theory, life has originated from -

1) Pre-Existing, Living
2) Pre-Existing, Non-Living
3) Existing, Living
4) Existing, Non-Living

Answer 14

Pre Existing, Non Living

Question 15

The transition from Organic Compounds to Life is termed as -

1) Chemical Evolution
2) Biological Evolution
3) Organic Evolution
4) Physical Evolution

Answer 15

Biological Evolution

Question 16

Four conditions of Primitive Earth & Stanley Miller Experiment.

Answer 16

High Temperature
Volcanic Eruptions
Lightening
Reducing Atmosphere

Question 17

First elements present on Primitive Earth

1) C,H,P,N
2) H2O, CH3, NH3
3) C,H,O,N
4) H20, CH4, NH3

Answer 17

C,H,O,N

Question 18

First inorganic compound on Primitive Earth

Answer 18

H20, NH3

Question 19

First organic compound on Primitive Earth

Answer 19

CH4

Question 20

Primitive Ocean with Simple Organic Compounds converting into Complex Organic Compounds was known as __________________.

Answer 20

Hot Dilute Prebiotic Soup

Question 21

Fatty Acids + Glycerol =

Answer 21

Lipids

Question 22

Other name for Protobionts

Answer 22

Coacervates, Microsphere

Question 23

In Protobionts,

a) Lipid Membrane present
b) Complex Metabolism
c) Lipid Membrane absent
d) Simple Metabolism

Choose two correct options

Answer 23

Lipid Membrane Absent

Simple Metabolism

Question 24

In protobionts, reproduction was __________ (present/absent)

Answer 24

Absent

Question 25

First Sign of Life is known as ____________

Answer 25

Nucleoprotein

Question 26

Formation of Earth __________

Answer 26

4.5 BYA

Question 27

First Sign of Life on Earth was seen ________ YA

Answer 27

4 BYA

Question 28

First Non Cellular Form of life is known as ________.

Answer 28

Eobiont/Protocell

Question 29

Eobiont consisted of - a) Protein + Lipid b) Protein + Polysaccharides c) Nucleic Acid + Protein d) Nucleic Acid + Protein + Lipids

Answer 29

Nucleoprotein + Lipids

Question 30

First Non Cellular Form of life was seen _______ YA

Answer 30

3 BYA

Question 31

Genetic Material of Prokaryotes - a) Circular DNA b) Naked RNA c) Circular RNA d) Naked DNA

Answer 31

Naked DNA

Question 32

First substance similar to Chlorophyll was _______.

Answer 32

Bacteriophyll

Question 33

First living cell on life were primitively - a) Autotrophs b) Chemoautotrophs c) Chemoheterotrophs d) Oxygenic Heterotrophs

Answer 33

Chemoheterotrophs

Question 34

Temperature used in Stanly Miller's Experiment - a) 8000 Degree b) 8000 Degree c) 800 Degree d) 80 Degree

Answer 34

800 Degree

Question 35

Three amino acids obtained from Stanley Miller Experiment were _______________.

Answer 35

Aspartic Acid, Alanine, Glycine

Question 36

Four substances used in Stanley Miller Experiment - a) CH4, NH4, H2, CO2 b) CH3, NH4, H2, H2O c) CH4, NH3, H2, CO2 d) CH4, NH3, H2, H2O

Answer 36

(d) CH4, NH3, H2, H2O

Question 37

Molecular Aggregates into simple cell transition is called - a) Chemical Evolution b) Organic Evolution c) Physical Evolution d) Biological Evolution

Answer 37

Biological Evolution

Question 38

Simple cells into recent transition is called - a) Chemical Evolution b) Organic Evolution c) Physical Evolution d) Biological Evolution

Answer 38

Organic Evolution

Question 39

Other name for Haldane Oparin Theory - a) Primary Biogenesis Theory b) Secondary Abiogenesis Theory c) Primary Abiogenesis Theory d) Retrogressive Evoltuon

Answer 39

Primary Abiogenesis Theory

Question 40

The evolution of protocells into virus is called _______.

Answer 40

Retrogressive Evolution

Question 41

Study of Fossils is called ____________.

Answer 41

Paleontology

Question 42

First cellular form of life was seen ____ YA.

Answer 42

2 BYA

Question 43

# Choose the correct statement wrt to Fossils - a) Physical History closely resembles with Biological history b) Biological History closely resembles with Chemical History c) Geological History closely resembles with Biological History d) Geological History closely resembles with Physical History

Answer 43

c) Geological History closely resembles with Biological History

Question 44

Correct Order of Time Scale - a) Era - Epoch - Period b) Period - Epoch - Era c) Era - Period - Epoch

Answer 44

(C) Era - Period - Epoch