Vestigial Organs

Q. Explain the process of digestion with diagram

Q.

What 5 factors affect Hardy-Weinsberg principle?

Q.

The factor that leads to the founder effect in a population is

1. Genetic drift

2. Mutation

3. Genetic recombination

4. Natural selection

Q. Mention the tools for tracing evolutionary relationship

Q.

What is meant by systemic anatomy?

Q.

Assertion [A]: Evolution is a continuous process that takes millions of years for speciation.
Reason [R]: During evolution, the only mutation leads to speciation.

1. Both assertion and reason are incorrect

2. The assertion is correct but the reason is wrong

3. Both assertion and reason are correct

4. The assertion is correct and reason explains the assertion

Q. What is the difference between speciation and variation?

Q.

The first human like creatures are called as?

Q.

Is Appendix vestigial organ

Q.

What is an example of comparative anatomy?

Q.

Why do the animals have certain useless organs (vestigial organs) in their body?

Q.

Which of the following is related to divergent evolution?

1. Homologous organs

2. Vestigial organs

3. Analogous organs

4. Rudimentary organs

Q.

Are cats chordates?

Q.

The eye of an octopus and the eye of a cat show different patterns of structure. Yet they perform a similar function. This is an example of

1. Analogous organs that have evolved due to divergent evolution

2. Homologous organs that have evolved due to convergent evolution

3. Homologous organs that have evolved due to divergent evolution

4. Analogous organs that have evolved due to convergent evolution

Q. Digestive system

Q. Which of the following is the correct list of vestigial organs in humans?

1. Elbow joint, ear muscles and coccyx
2. Vermiform appendix, coccyx and ear muscles
3. Wisdom tooth, coccyx and premolars
4. Wisdom tooth, eyelids and vermiform appendix

Q.

Define the terms:

(b) Vestigial organs

Q.

Identify whether the following statements are true/false.

(v) Heart is endodermal in origin.

1. True
2. False

Q.

______ and______ are examples of vestigial organs in humans.

Q. A vestigial organ in humans is ?

1. Ear pinna
2. Nictitating membrane
3. Mammary glands in males
4. Knee bone

Q. There are about_______ vestigial organs named in humans.

1. 200
2. 50
3. 100
4. 250

Q.

Is human anatomy easy?

Q. What are vestigial organs? Name one vestigial organ of man.

Q. Vestigial organs provide evidence of organic evolution in the category

1. Anatomical
2. Embryological
3. Morphological
4. Palaeontological

Q. ________ helps in mastication and chewing of food in herbivorous animals.

1. Mediastenum
2. Diaphragm
3. Pleura
4. Diastema

Q. Which among the following is a pair of vestigial organs?

1. Coccyx and intercostal muscles
2. Coccyx and auricular muscles
3. Facial hairs in ladies
4. Coccyx and premolars

Q. Explain with an example for each how the following provides evidences in favour of evolution in organism: (a) Homologous organs (b) Analogous organs (c) Fossils

Q. Did animals and plants have a same ancestor just after life began on Earth?

Q. Which of the following organs in a man is not a vestigial?

1. Vermiform appendix
2. Nictitating membrane
3. Ear muscles
4. Epiglottis

Q. A child was born with a small tail-like structure.
What will be your role as a student of biology dealing with the issue?