Criticism of Lamarckism

Q. The Germplasm theory was proposed by

1. Darwin
2. Lamarck
3. Weismann
4. Hugo de Vries
   

Q. Which of the following cannot be explained by Lamarckism?

1. Long neck in giraffe
2. Degeneration of visual apparatus in cave dwellers
3. Absence of lips in snakes
4. Dull progeny of Noble laureate

Q. Germplasm theory against Lamarck’s principle was put forward by

1. Pasteur
2. Lamarck
3. Weismann
4. Hugo de Vries

Q. Study the following statements (A - D). Identify the correct statements related to Neo-Lamarckism.

A. It believed that all the acquired characters are passed onto the next generation.
B. It gives importance for use and disuse of organs.
C. As per the theory, germinal variations are transmitted to next generation.
D. There is a direct effect of a changed environment in organisms.

1. A and B are correct
2. C and D are correct
3. A and C are correct
4. C and B are correct

Q.

The lens of many vertebrate eyes is a crystallized form of a protein that also functions in digestion as a metabolic enzyme. This shows that
A. Vision and digestion co-evolved
B. Digestion necessarily evolved prior to vision since it is a more basic function
C. Evolution in opportunistic
D. Vision and digestion evolved around the same time

Q.

Consider the following statements and select the correct option according to Neo- Lamarckism.

Statement 1: Environment influences an organism and its heredity.

Statement 2: Internal vital force and appetency do play a role in evolution.

1. Both statements are correct

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

Q. Select the odd one out with respect to Lamarckism.

1. Use and Disuse of organs
2. Internal Vital force
3. Effect of environment and new needs
4. Non-Inheritance of acquired characters

Q.

How many of the given statements are incorrect in the view of Lamarck's concept of evolution?

1. Disappearance of limbs in snakes is an example of Lamarckism.
2. The ancestors of cave dwellers didn’t have normal eyesight.
3. Webbed feet of aquatic birds are evolved from their terrestrial ancestors.
4. August Weismann was a strong supporter of the idea of inheritance of acquired characters.

1. 1
2. 2
3. 3
4. 4

Q. Weismann cut off tails of mice generation after generation but tails neither disappeared not shortened showing that:

1. Darwin was correct
2. Tail is an essential organ
3. Mutation theory was wrong
4. Lamarckism was wrong in inheritance of acquired characters

Q. Theory of continuity of germplasm negated ___

Q. The theory of continuity of germplasm was proposed by _____.

1. De Vries
2. Weismann
3. Darwin
4. Lamarck

Q. The Germplasm theory was proposed by

1. Darwin
2. Lamarck
3. Weismann
4. Hugo de Vries

Q. Which of the following terms represent a pair of contrasting characters?

1. Homozygous
2. Heterozygous
3. Allelomorphs
4. Codominant genes

Q. Father of modern embryology is

1. Von Baer
2. Haeckel
3. Wolff
4. Aristotle

Q. Change the underlined part of the sentence, if required:
Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving as a kind of snorkel.

1. That suggests that the elephant is descended from an aquatic animal, and its trunk originally evolving
2. That has suggested the elephant descended from an aquatic animal, its trunk originally evolving
3. Suggesting that the elephant had descended from an aquatic animal with its trunk originally evolved
4. To suggest that the elephant had descended from an aquatic animal and its trunk originally evolved
5. To suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

Q. Theory of continuity of germplasm negated

1. Lamarckism
2. natural selection
3. Darwinism
4. survival of fittest

Q. Study the following statements (A - D). Identify the correct statements related to Neo-Lamarckism.

A. It believed that all the acquired characters are passed onto the next generation.
B. It gives importance for use and disuse of organs.
C. As per the theory, germinal variations are transmitted to next generation.
D. There is a direct effect of a changed environment in organisms.

Q. Which of the following occupies the bulk of the cerebrum?

1. Amygdala
2. Hypothalamus
3. Ocipital lobe
4. Neocortex

Q. Weismann cut off the tails of mice generation after generation, but tails neither disappeared nor shortened, proving that

1. Darwin was correct
2. Tail is an essential organ
3. Mutation theory was wrong
4. Lamarckism was wrong about inheritance of acquired characteristics

Q. The theory of continuity of germplasm was proposed by:

1. Darwin
2. De Vries
3. Weismann
4. Lamarck

Q. The concept that organizer is essential for embryonic development was given by

1. J. Axelrod
2. K. Landsteiner
3. H. Spemann
4. I. P. Pavlov

Q. __________ and _________ were the great critics of Lamarckism.

1. Cuvier and Weismann
2. Cope and Weismann
3. Spencer and Cope
4. Spencer and Cuvier

Q.

Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that

1. Lamarckism was wrong in inheritance of acquired characters.

2. Darwin was correct

3. Tail is an essential organ

4. Mutation theory is wrong

Q. The concept that organiser is essential for embryonic development was given by

1. J. Axelrod
2. H. Spemann
3. I.P. Pavlov
4. C. Landsteiner

Q. In which of the following stage is DNA doubled?

1. Metaphase
2. Anaphase
3. Interphase
4. Prophase