Origin And Evolution Of Life Subtopics For MHT-CET
- Origin Of Life
- Chemical Evolution Of Life
- Darwinism
- Mutation Theory
- Modern Synthetic Theory Of Evolution
- Mechanism of organic Evolution
- Hardy Weinberg's principle
- Adaptive Radiation
- Organic Evolution And Its Evidence
- Speciation
- Geological time Scale
- Human Evolution
Multiple Choice Questions For Biology MHT-CET
Q1. __________ explain the theory of natural selection as well as the theory of mutation.
A. Modern synthetic theory of evolution
B. Theory of special creation
C. Cosmozoic theory
D. Theory of Biogenesis
Correct Answer:(A)
Q2. What is/are the concept(s)that is/are a part of the modern synthetic theory?
A. Genetic variation
B. Natural selection
C. Isolation
D. All of these
Correct Answer:(D)
Q3. Small interbreeding group of population is called as:
A. Sewall Wright population
B. Hardy Weinberg population
C. Mendelian population
D. Darwinian population
Correct Answer:(C)
Q4. Total number of genes in a mendelian population is called?
A. Gene frequency
B. Gene variation
C. Gene pool
D. Mendelian population
Correct Answer:(C)
Q5. The proportion of an allele in the gene pool as compared with the total number of alleles at a given locus is called:
A. Gene frequency
B. Genetic population
C. Gene pool
D. Gene variation
Correct Answer:(A)
Q6. The change in gene and gene frequencies is called:
A. Gene mutation
B. Genetic drift
C. Gene flow
D. Genetic variation
Correct Answer:(D)
Q7. Sudden permanent heritable change is called:
A. Gene flow
B. Genetic drift
C. Recombination
D. Gene mutation
Correct Answer:(D)
Q8. Structural morphological change in chromosome due to rearrangement is called:
A. Point mutation
B. Gene mutation
C. Chromosomal aberration
D. Gene recombination
Correct Answer:(C)
Q9. Fertilization generally results in genetic variations due to:
A. Genetic drift
B. Genetic recombination
C. Gene flow
D. Chromosomal aberrations
Correct Answer:(B)
Q10. Transfer of genes between population that differ genetically from one another is called:
A. Gene frequency
B. Gene flow
C. gene pool
D. Gene mutation
Correct Answer:(B)
Q11. Dispersal of pollens result in :
A. Natural selection
B. Isolation
C. Genetic drift
D. Gene flow
Correct Answer:(D)
Q12. Any random fluctuation in allele frequency occurring in the natural population by pure chance is called:
A. Natural selection
B. Genetic drift
C. Gene flow
D. Genetic recombination
Correct Answer:(B)
Q13. The structural alterations in a chromosome such as deletion ,insertion and inversion is called:
A. Genetic drift
B. Chromosomal aberration
C. Genetic recombination
D. Genetic mutation
Correct Answer:(B)
Q14. Change in the order or sequence of genes results in:
A. Genetic drift
B. Gene mutation
C. Chromosomal aberration
D. Gene flow
Correct Answer:(C)
Q15. Chromosomal aberration due to loss of gene from chromosome occurs due to :
A. Inversion
B. Duplication
C. Deletion
D. Translocation
Correct Answer:(C)
Q16. No gain or loss of gene complement of the chromosome occurs due to gene :
A. Translocation
B. Inversion
C. Deletion
D. Duplication
Correct Answer:(B)
Q17. Differential reproduction of genes occurs due to:
A. Natural selection
B. Genetic recombination
C. Isolation
D. Gene flow
Correct Answer:(A)
Q18. Natural selection of Biston carbonaria over biston betularia occurred due to:
A. Geographical isolation
B. Natural selection
C. Gamete mortality
D. Genetic drift
Correct Answer:(B)
Q19. Industrial melanism is an example of:
A. Mutation
B. Natural selection
C. Reproductive isolation
D. Speciation
Correct Answer:(B)
Q20. Which organism was studied for industrial melanism?
A. Biston betularia
B. Apis dorsata
C. Bombyx mori
D. Rana tigrina
Correct Answer:(A)
21. Separation of single population into several sub-units which prevents interbreeding between them is called :
A. Isolation
B. Chromosomal aberration
C. Natural selection
D. Reproduction
Correct Answer:(A)
Q22. When an original population is separated into 2 or more groups by environmental factors such as river, mountain, ocean, forest it is called :
A. Geographical isolation
B. Reproductive isolation
C. Habitat isolation
D. Ethological isolation
Correct Answer:(A)
Q23. Geographical isolation prevents interbreeding between:
A. Isolated groups
B. Population
C. Gene pool
D. Both (A) and (B)
Correct Answer:(A)
Q24. Reproductive isolation occurs due to all of the following , EXCEPT:
A. Change in genetic material
B. Structure of genitals organs
C. Change in gene pool
D. Barriers like glacier
Correct Answer:(D)
Q25. Organisms living in the same region but occupying different habbitat is called:
A. Seasonal isolation
B. Habitat isolation
C. Ethological isolation
D. Mechanical isolation
Correct Answer:(B)
Q26. Members of two population having different mating behaviours is called:
A. Habitat isolation
B. Seasonal isolation
C. Ethological isolation
D. Mechanical isolation
Correct Answer:(C)
Q27. The post-mating barrier in which union of two gametes does not occur in a given time is referred as:
A. Hybrid sterlity
B. Hybrid mortality
C. Gamete mortality
D. Zygote mortality
Correct Answer:(C)
Q28. Members of 2 population having differences in the structure of their reproductive organs is called:
A. Mechanical isolation
B. Reproductive isolation
C. Geographical isolation
D. Ethological isolation
Correct Answer:(A)
Q29. A post-mating barrier, in which the hybrids formed are sterile is called:
A. gamete mortality
B. Zygote mortality
C. Hybrid sterility
D. Hybrid mortality
Correct Answer:(C)
Q30. __________ are the first true land vertebrates.
A. Mammals
B. Amphibians
C. Reptiles
D. Arthropods
Correct Answer:(C)
Q31. Palaeozoic era is the age of:
A. Amphibians
B. Reptiles
C. Birds
D. Mammals
Correct Answer:(A)
Q32. Appearance of first seedless vascular land plants took place in which era?
A. Palaeozoic
B. Cenozoic
C. mesozoic
D. None of these
Correct Answer:(A)
Q33. The sub-order prosimii includes:
A. Tarsiers
B. Gibbons
C. Orangutan
D. Old world monkeys
Correct Answer:(A)
Q34. Squirrel monkey is:
A. Old world monkey
B. New world monkey
C. Prosimian
D. Marsupial
Correct Answer:(B)
Q35. Which is the family of apes?
A. Pongidae
B. Hylobatidae
C. Hominidae
D. Both (A) and (B)
Correct Answer:(D)
Q36. The family pongidae includes:
A. Macaques
B. Human beings
C. Gibbons
D. Gorilla and chimpanzee
Correct Answer:(D)
Q37. Which of the following includes both apes and human beings but not monkeys ?
A. Cercophithecoidea
B. Hominoids
C. Anthropods
D. Prosimians
Correct Answer:(B)
Q38. Which of the following is not an ape?
A. Gorilla
B. Chimpanzee
C. Baboon
D. Gibbon
Correct Answer:(C)
Q39. All Homo sapiens are kept under one family:
A. Ranidae
B. Hylobatidae
C. Pongidae
D. Hominidae
Correct Answer:(D)
Q40. Fossils of Rampithecus were unearthed from the hills of:
A. Egypt
B. Africa
C. Germany
D. India
Correct Answer:(D)
Q41. Australopithecus was discovered in:
A. Siwalik hills from india
B. Taung in south africa
C. Java in africa
D. Heidelberg in germany
Correct Answer:(B)
Q42. The human ancestor who showed both ape-like and man-like characters is :
A. Neanderthal man
B. Java man
C. Homlo habilis
D. Australopithecus
Correct Answer:(D)
Q43. Which of the following is a feature of Australopithecus?
A. Prognathous face
B. Dentition like modern man
C. Bony eye brows present
D. Cranial capacity of 1400cc
Correct Answer:(A)
Q44. The first known hominid is:
A. Australopithecus
B. homo erectus
C. Homo habits
D. Ramapithecus
Correct Answer:(C)
Q45. Which one amongst the following is the highest evolved?
A. Homo habilis
B. Homo erectus
C. Ramapithecus
D. Australopithecus
Correct Answer:(B)
Q46. The modern man differs from the apes in :
A. Protruding eyes
B. Body hair
C. Absence of chin
D. Arms shorter than legs
Correct Answer:(D)
Q47. Homo erectus probably existed during:
A. Late Pliocene
B. Middle pleistocene
C. Miocene
D. Early Pliocene
Correct Answer:(B)
Q48. The criminal capacity of homo erectus was around:
A. 650 cc
B. 900 cc
C. 450 cc
D. 1400 cc
Correct Answer:(B)
Q49. Abiogenesis means :
A. Spontaneous generation
B. germplasm theory
C. Origin of panspermia
D. Physico-chemical origin of life
Correct Answer:(A)
Q50. The idea that life originates from pre-existing life is referred to in the:
A. Biogenesis theory
B. Special creation theory
C. Abiogenesis theory
D. Theory of panspermia
Correct Answer:(A)