Mutation Theory & Neodarwinism

Q.

What does Linn represent in Mangifera indica Linn?

Q. ___ is called as the Father of Evolution.

Q.

Discuss the most accepted theory of evolution.

Q.

What are the Hardy Weinberg conditions?

Q.

What are the 3 principles of evolution?

Q.

How does molecular genetics support evolution?

Q. Which of these are different types of behaviours exhibited by animals?

1. Social Behaviour
2. Sexual Behaviour
3. Parental Care
4. Sexual Imprinting

Q.

Deletion mutation can also cause a frameshift mutation.

1. True

2. False

Q. If the theory of inheritance of acquired characters proposed by Lamarck was true how will the world be?

Q. Describe Darwin's theory of organic evolution. Add a note on Neo-Darwinism.

Q.

Why do bacteria only have one allele?

Q.

Darwin's theories did not explain the sources of variation.

1. True

2. False

Q. Hugo de Vries' theory of mutation is

1. Opposed to natural selection theory
2. Not opposed to natural selection theory
3. Opposed to germplasm theory
4. Not opposed to Lamarck's theory

Q.

Is missense mutation harmful?

Q. According to Hugo de Vries, the mechanism of evolution is ____________.

1. Phenotypic variations
2. Multiple step mutations
3. Minor mutations
4. Saltation

Q. Mutation theory to explain mechanism of evolution was given by Hugo de Vries and he experimented on the

1. Fruit fly
2. Garden pea
3. China rose
4. Evening primrose

Q. Mutations are considered raw materials of evolution because they :

1. Are stable
2. Contribute to new variations
3. Cause death of organism
4. Random

Q. Theory of mutation by a De Vries considers that :

1. Only large mutations take part in developing variations.
2. Only small mutations take part in developing variations
3. Both small and large mutations cause variations.
4. None of the above.

Q. De Vries gave his mutation theory on organic evolution while working on -

1. Oenothera lamarckiana
2. Drosophila melanogaster
3. Pisum sativum
4. Althea rosea

Q.

Transgenic animals have:

1. Foreign DNA in some of the cells

2. Foreign DNA in all of the cells

3. Foreign RNA in some cells

4. Both a and c

Q. Identify the mismatched pair(s) of the genes related to the lac operon and the respective proteins they code for.

1. LacY- β-galactosidase
2. LacA- β-galactoside transacetylase
3. LacZ- lactose permease
4. All are correct

Q. Hugo de Vries formulated the "Mutation Theory" based on the experiments he conducted on

1. Althea rosea
2. Oenothera lamarckiana
3. Pisum sativum
4. Drosophila melanogaster

Q. Name of the scientist, who gave 'Mutation Theory'.

1. Wallace
2. Mathus
3. Darwin
4. De Vries

Q. According to De Vries' theory, evolution is

1. Both A and B
2. Discontinuous
3. Continuous and smooth
4. Jerky

Q. Mechanism of evolution proposed by de Vries is based on :

1. Mutations
2. Variation
3. Adaptation
4. Reproduction

Q. De Vries theory of mutation is :

1. Opposed to natural selection theory.
2. Opposed to germplasm theory
3. Opposed to Lamrck's theory
4. Not opposed to natural selection theory.

Q. According to Neo-Darwinism variations, the raw material of evolution occur

1. In gene pool of a population
2. In an individual and remain restricted
3. In all the membranes of one species
4. In all the membrane of all species

Q. According to Neo-Darwinism, natural selection operates through

1. Fighting between organisms
2. Killing the weaker organism
3. Variations
4. Differential reproduction

Q. Mutations are always harmful.

1. False
2. True

Q. The tendency of a large population to remain in genetic equilibrium can n be disturbed by

1. Presence of random mating
2. Lack of gene migration
3. Lack of mutations
4. Presence of selective mating