Q201
Allen
6. NCERT BASED QUESTIONS
MCQ
Fossils are generally found in :
A.
Sedimentary rocks
B.
Igneous rocks
C.
Metamorphic rocks
D.
Any type of rock
Q202
Allen
6. NCERT BASED QUESTIONS
MCQ
Which type of selection is industrial melanism observed in moth, Biston betularia?
A.
Stabilising
B.
Directional
C.
Disruptive
D.
Artificial
Q203
Allen
6. NCERT BASED QUESTIONS
MCQ
The most accepted line of descent in human evolution is :
A.
Australopithecus ā Ramapithecus ā Homo sapiens ā homo habilis
B.
Homo erectus ā Homo habilis ā Homo sapiens
C.
Ramapithecus ā Homo habilis ā Homo erectus ā Homo sapiens
D.
Australopithecus ā Ramapithecus ā Homo erectus ā Homo habilis ā Homo sapiens
Q204
Allen
6. NCERT BASED QUESTIONS
MCQ
Match the scientists listed under column-I with ideas listed column-II.
with :
with :
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
P-I Q-IV; R-II; S-III
B.
P-IV; Q-I; R-II; S-III
C.
P-II; Q-IV; R-III; S-I
D.
P-IV; Q-II; R-II; S-I
Q205
Allen
6. NCERT BASED QUESTIONS
MCQ
Variations during mutations of meiotic recombination are :
A.
Random and directionless
B.
Random and directional
C.
Random and small
D.
Random, small and directional
Q206
Allen
6. NCERT BASED QUESTIONS
MCQ
The naturalist who came about with the same ideas that of the Darwin :
A.
Alfred Nobel
B.
Alfred Wallace
C.
Lamarck
D.
H. Khorana
Q207
Allen
6. NCERT BASED QUESTIONS
MCQ
According to Darwin, the term fitness refers to:
A.
Social fitness
B.
Mental fitness
C.
Physical fitness
D.
Reproductive fitness
Q208
Allen
6. NCERT BASED QUESTIONS
MCQ
Dead remains of organisms found in the earth crust are the :
A.
Palaentological evidences
B.
Morphological evidences
C.
Anatomical evidences
D.
Physiological evidences
Q209
Allen
6. NCERT BASED QUESTIONS
MCQ
When more than one adaptive radiations appear in an isolated geographical area, than it is called ?
A.
Natural selection
B.
Convergent evolution
C.
Divergent evolution
D.
Retrogressive evolution
Q210
Allen
6. NCERT BASED QUESTIONS
MCQ
Who gave the theory of Genetic equilibrium
A.
Lamarck
B.
Hugo DeVries
C.
Hardy - Weinberg
D.
Darwin
Q211
Allen
6. NCERT BASED QUESTIONS
MCQ
Giraffe's neck and forelimbs get elongated during the course of evolution, due to :
A.
Inheritance of acquired characters
B.
Natural selection
C.
Geographical isolation
D.
Convergent evolution
Q212
Allen
6. NCERT BASED QUESTIONS
MCQ
First mammals were :
A.
Human
B.
Apes
C.
Monkeys
D.
Shrews
Q213
Allen
6. NCERT BASED QUESTIONS
MCQ
The first human being like prehistoric man was:
A.
Homo sapiens
B.
Homo erectus
C.
Homo habilis
D.
Neanderthal man
Q214
Allen
6. NCERT BASED QUESTIONS
MCQ
In which type of natural selection two peaks are formed ?
A.
Stabilizing selection
B.
Directional selection
C.
Disruptive selection
D.
Both (1) & (3)
Q215
Allen
6. NCERT BASED QUESTIONS
MCQ
Which of the following statement is correct?
A.
The skull of adult chimpanzee is like modern adult human
B.
The skull of baby chimpanzee is like modern adult human
C.
Skull of baby chimpanzee is exactly similar to adult chimpanzee
D.
Skull of baby chimpanzee and adult chimpanzee has no resemblance to skull of human
Q216
Allen
6. NCERT BASED QUESTIONS
MCQ
Which of the following is not amongst the evolutionary line of mammals?
A.
Therapsids
B.
Pelycosaurs
C.
Synapsids
D.
Sauropsids
Q217
Allen
6. NCERT BASED QUESTIONS
MCQ
Before industrialization set in England :
A.
Only white winged moths were present on trees
B.
White winged moths were less in number on trees
C.
Dark winged moths were less in number on trees
D.
White winged moths were absent
Q218
Allen
6. NCERT BASED QUESTIONS
MCQ
Proper burial of dead bodies for the first time started by which pre historic man ?
A.
Java man
B.
Homo habilis
C.
Neanderthal man
D.
Australopithecines
Q219
Allen
6. NCERT BASED QUESTIONS
MCQ
Homo sapiens arose in ________and moved across continents and developed into distinct races :
A.
America
B.
Australia
C.
China
D.
Africa
Q220
Allen
6. NCERT BASED QUESTIONS
MCQ
Who lived in near east and central Asia between 1,00,000 - 40,000 years back?
A.
Homo erectus
B.
Homo habilis
C.
Neanderthal man
D.
Australopithecines
Q221
Allen
6. NCERT BASED QUESTIONS
MCQ
How many of the following are examples of homologous structures in plants : (a) Eyes of octopus and mammal (b) Potato and sweet potato (c) Forelimbs of whale, bat, cheetah and human (d) Vertebrate heart (e) Thorn of bougainvillea and tendril of cucurbita (f) Potato and carrot (g) Potato and radish Options:
A.
Four
B.
Three
C.
Two
D.
One
Q222
Allen
6. NCERT BASED QUESTIONS
MCQ
The most accepted view for origin of life is :
A.
Chemical evolution
B.
Spontaneous generation
C.
Religious literature
D.
Panspermia
Q223
Allen
6. NCERT BASED QUESTIONS
MCQ
The study of fossils in different aged rocks shows all of the following except :
A.
They probably died during the formation of that particular sediment
B.
Some of them appear similar to modern organisms
C.
Life forms varied over time and certain forms were restricted to certain geological time spans
D.
They do not represent extinct organisms
Q224
Allen
6. NCERT BASED QUESTIONS
MCQ
Which vertebrates evolved into the first amphibians?
A.
Jawless fishes
B.
Lobefins
C.
Salamanders
D.
Ichthyosaurus
Q225
Allen
6. NCERT BASED QUESTIONS
MCQ
When reptiles came down which animals took over the earth ?
A.
Birds
B.
Dinosaurs
C.
Mammals
D.
Amphibians