Mutation Theory

Q. De Vries postulated the theory of mutation by working on evening primrose.

1. True
2. False

Q. Match the evolutionary concepts listed under column I with the names of the scientists given under column II and select the right answer:
$\begin{array}{cccc}& ColumnI& & ColumnII\\ & Evolutionaryconcepts& & Namesofthescientists\\ A& Lawsofheredity& p& Wallace\\ B& Synthetictheory& q& Mendel\\ C& Mutationtheory& r& J.B.S.Haldane\\ D& TheoryofNaturalSelection& s& HugodeVries\\ & & t& Darwin\end{array}$

1. A = q, B = r, C = s, D = t
2. A = q, B = r, C = s, D = p
3. A = p, B = r, C = s, D = t
4. A = t, B = r, C = s, D = p

Q. Mutations are always harmful.

1. False
2. True

Q. Which of the following is important for speciation ?

1. Seasonal isolation
2. Reproductive isolation
3. Behavioural isolation
4. Tropical isolation

Q. A sudden heritable change occuring in the genome is called whereas a sudden drastical change in phenotype leading to new species is called .

1. variation
2. speciation
3. mutation
4. saltation

Q. Single step large mutation is called

1. Regeneration
2. Evolution
3. Organization
4. Saltation

Q. From the evolutionary perspective:
Statement 1: The DNA sequence of gorillas and humans have more differences in the gene sequence compared to chimps.
Statement 2: DNA of humans and chimps have more similarity in their gene sequence as compared to other animals.

1. Statement 1 is correct and statement 2 is incorrect
2. Both the statements are correct
3. Both the statements are incorrect
   
4. Statement 1 incorrect and statement 2 is correct