Lamarckism

Q.

Vestigial organs are those that:

1. are least functional

2. have ceased their functionality

3. were of great utility to ancestors

4. were of least utility to ancestors

Q.

___ is a vestigial organ in human beings that is still functional in the herbivorous mammals.

Q. Lamarck proposed the theory of acquired inheritance.

1. True

2. False

Q.

Which of the following changes for man in the course of evolution is probably useless?

1. Loss of tail

2. Development of being erect

3. Development of cranial capacity

4. Development of opposable thumb

Q. Which among the following organs is vestigial in birds?

1. Wings

2. Wisdom teeth

3. Tail bone

4. Pinna

Q. Neo - Lamarckism supports Lamarck's concept of “inheritance of acquired characteristics”

1. False
2. True

Q.

Inheritance of acquired characters comes under:

1. Darwinism

2. Neo-Lamarckism

3. New-Darwinism

4. Lamarckism

Q. Lamarckism cannot explain

1. webbed toes in aquatic birds
2. Weak muscles in the son of a wrestler
3. Long narrow and limbless body of snakes
4. heterophylly

Q. Lamarckism talks about

1. Inheritance of acquired characteristics
2. Use and disuse of organs
3. Origin of species by natural selection
4. None of these

Q. Lamarck's theory of evolution is commonly known as

1. Continuity of germplasm
2. Inheritance of acquired characteristics
3. Natural selection
4. Descent with change