Q551
Allen
NCERT BASED QUESTIONS
MCQ
First mammals were :
A.
Human
B.
Apes
C.
Monkeys
D.
Shrews
Q552
Allen
NCERT BASED QUESTIONS
MCQ
The first human being like prehistoric man was:
A.
Homo sapiens
B.
Homo erectus
C.
Homo habilis
D.
Neanderthal man
Q553
Allen
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)
Q554
Allen
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
Q555
Allen
NCERT BASED QUESTIONS
MCQ
Which of the following is not amongst the evolutionary line of mammals?
A.
Therapsids
B.
Pelycosaurs
C.
Synapsids
D.
Sauropsids
Q556
Allen
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
Q557
Allen
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
Q558
Allen
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
Q559
Allen
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
Q560
Allen
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
Q561
Allen
NCERT BASED QUESTIONS
MCQ
The most accepted view for origin of life is :
A.
Chemical evolution
B.
Spontaneous generation
C.
Religious literature
D.
Panspermia
Q562
Allen
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
Q563
Allen
NCERT BASED QUESTIONS
MCQ
Which vertebrates evolved into the first amphibians?
A.
Jawless fishes
B.
Lobefins
C.
Salamanders
D.
Ichthyosaurus
Q564
Allen
NCERT BASED QUESTIONS
MCQ
When reptiles came down which animals took over the earth ?
A.
Birds
B.
Dinosaurs
C.
Mammals
D.
Amphibians
Q565
Allen
NCERT BASED QUESTIONS
MCQ
Forelimbs of whale, bat, cheetah and human do not show a. Similarities in the pattern of bones b. Adaptive radiation c. Analogous organs d. Convergent evolution e. Divergent evolution f. Different structures evolving for same functions
A.
a, b and c
B.
c, d and f
C.
a and d
D.
a, d and c
Q566
Allen
NCERT BASED QUESTIONS
MCQ
Therapsids were evolved into -
A.
Dinosaurs
B.
Reptiles
C.
Birds
D.
Mammals
Q567
Allen
ANALYTICAL QUESTIONS
MCQ
Believers of spontaneous generation theory believed that :
A.
Life originated from other similar organisms or spontaneously
B.
Life originated only spontaneously
C.
Life originated from similar organisms
D.
Life originated from air
Q568
Allen
ANALYTICAL QUESTIONS
MCQ
Fossilization can occur where :
A.
Animals are buried and preserved by natural process
B.
Animals are destroyed by scavangers
C.
Animals are eaten by predators
D.
Animals are destroyed by environmental conditions
Q569
Allen
ANALYTICAL QUESTIONS
MCQ
What is sequence in the evolution of mammals?
A.
Fish-amphibian-bird-mammals
B.
Insect-fish bird-mammals
C.
Fish-amphibian-reptile-mammals
D.
Fish-amphibian-reptile-bird-mammals
Q570
Allen
ANALYTICAL QUESTIONS
MCQ
There would be no evolution if :
A.
The inheritance of acquired characters did not take place
B.
Somatic variations were not inheritable
C.
Gene variations were not found among members of population
D.
Somatic variations would not transform into germinal variations
Q571
Allen
ANALYTICAL QUESTIONS
MCQ
If population of a species is transferred to more suitable environment then it will show:
A.
Protection against enemies
B.
More individuals would survive
C.
Rate of reproduction increases
D.
Unlimited food would be available
Q572
Allen
ANALYTICAL QUESTIONS
MCQ
Which of the following facts develop suspicions in Lamarckism ?
A.
Human females are not born with bored ear pinna although they have been bored for thousands of years.
B.
Giraffe has long neck to eat leaves of tall trees
C.
A stag can run fast to protect against the enemies
D.
None of them
Q573
Allen
ANALYTICAL QUESTIONS
MCQ
Chances of inheritable and evolutionary changes are more in such species which reproduce by :
A.
Parthenogenesis
B.
Fission
C.
Sexual reproduction
D.
Asexual reproduction
Q574
Allen
ANALYTICAL QUESTIONS
MCQ
One major criticism of Darwin's theory is that:
A.
It presumes that environment upon earth has been changing through ages
B.
It does not explain variations with heredity
C.
It overestimates reproductive capacity of animals and plants
D.
It does not explain vestigeal organs
Q575
Allen
ANALYTICAL QUESTIONS
MCQ
Use of atomic bombs may lead to abnormalities even in upcoming generations because of :
A.
Body changes
B.
Air pollution
C.
Changed atoms in atmosphere
D.
Genetic mutation