Embryological Evidences

Q.

Explain the theory of evolution and mention the proof supporting it.

Q.

Explain what is neo Darwinism and neo Lamarckism with specific examples and diagrams.

Q. Chordates in which the notochord gets replaced by a vertebral column at an embryonic stage are called___.

Q.

Explain the process of evolution and mention the proof supporting it

Q.

What are heredity and evolution?

Q.

What are vestigial organs? Which theory do they support?

Q. What is embryology? How does its study lead us to understand evolution?

Q. The phenomenon of introducing exogenous DNA into the genome of plant or animal is called _____.

1. Tissue culture
2. Transgenesis
3. Transfection
4. Foreign gene therapy

Q. All multicellular organism start their life from a single cell called

1. Egg cell
2. Sperm
3. None of the above
4. Zygote

Q. Which one of the following options gives one correct example each of convergent evolution and divergent evolution ?

1. Convergent evolution - Bones of forelimbs of vertebrates
   Divergent evolution - Wings of butterfly and birds
2. Convergent evolution - Thorns of Bougainvillia and tendrils of Cucurbita
   Divergent evolution - Eyes of octopus and mammals
3. Convergent evolution - Eyes of octopus and mammals
   Divergent evolution - Bones of forelimpbs of vertebrates
4. Convergent evolution - Thorns of Bougainvillia and tendrils of Cucurbita
   Divergent evolution - Wings of butterflies and birds

Q. In haplontic life cycle, meiosis occurs during

1. Spore formation
2. Zygote germination
3. Spore germination
4. Gamete formation

Q. How do all species relates to one species ?

Q. What role cell and molecular biology has played in solving the problem of human ancestry?

Q.

The skeleton of chondrichthyes fishes is made up of ___.

Q. Identify the correct statements.
A. Ernst Haeckel is considered as father of embryology.
B. Von Baer is considered as father of modern embryology.
C. Biogenetic law which states "Ontogeny repeats phylogeny" proposed by father of modern embryology.
Select the correct answer.

1. Only Statement B is correct.
2. Statement A and B are correct.
3. Statement A, B and C correct.
4. Only Statement C is correct.

Q. Which is not a vestigial organ in man?

1. Nictitating membrane
2. Vermiform appendix
3. Nails
4. Tail vertebrae

Q. Biogenetic law was proposed by

1. Leonardo da Vinci
2. Birbal Sahni
3. Georges Cuvier
4. Ernest Haeckel

Q. Early _____ of all vertebrates resembles in shape and structure.

1. Embryo
2. Sperm
3. Egg
4. Ovum

Q. Which of the following depicts the theory of evolution based on the study of structures that appear during the development of different organisms?

1. Biogeography
2. Natural selection
3. Comparative anatomy
4. Comparative embryology
5. Molecular biology

Q. Name any two temporary embryonic structures in vertebrates which provide evidence for evolution.

Q. Study of development of an organism from egg to adult stage is called as _________.

1. palaeontology
2. histology
3. embryology
4. pathology

Q. Crocodile and penguin are similar to whale and dog fish in which one of the following features?

1. Lay eggs and guard them till they hatch
2. Possess a sold single stranded central nervous system
3. Possess bony skeleton
4. Have gill slits at some stage

Q. The scientific key to understand biology and behavior of human is

1. Blue print
2. Genome
3. Genetic linkage
4. DNA probe

Q.

what is the study of all the proteins coded by the genome called ?

Q. The presence of gills slits, in the embryos of all vertebrates supports the theory of

1. Metamorphosis
2. Recapitulation
3. Biogenesis
4. Organic evolution

Q.

The presence of gill slits in the embryos of all vertebrates supports the theory of

1. Biogenesis

2. Organic evolution

3. Recapitulation

4. Metamorphosis

Q. Recapitulation theory was later called as

1. Law of Mendel
2. Biogenetic law
3. Darwin's theory
4. None of the above

Q. Embryological support for evolution was disapproved by

1. Charles Darwin
2. Alfred Wallace
3. Oparin
4. Karl Ernst von Baer

Q. According to ancestry, birds and mammals are originated from_________.

1. Fishes
2. Insects
3. Reptiles
4. None of the above

Q. What are the different fields in studying genetics?