Phylogenetic Relationship

Q.

Cones of gymnosperms are comparable to__________of angiosperms from a functional point of view.

1. flowers

2. leaf

3. seed

4. fruits

Q. Read the passage and answer the following questions.

1. Human hemoglobin and gorilla hemoglobin have different functions
2. They are unable to interbreed
3. Their hemoglobin chains differ by a single amino acid
4. They are the result of convergent evolution
5. They are the result of parallel evolution

Q.

Gymnosperms are characterised by

1. Winged seeds

2. Seeds inside fruits

3. Naked seeds

4. Multiflagellate sperms

Q. Explain why gymnosperms fail to produce fruits?

Q.

From a functional point of view, the cones of gymnosperms are comparable to ___ of angiosperms.

1. Flowers

2. Fruits

3. Leaf

4. Seed

Q. The scientist who gave the theory of evolution is

1. Aristotle
2. Carl Linneaus
3. Charles Darwin
4. George Bentham

Q. Phylogenetic system of classification is based on

1. evolutionary relationships

2. morphological features

3. chemical constituents

4. floral characters

Q. Number of generation seen in mature Pinus seed is/are

1. One
2. Two
3. Three
4. Four

Q. Which event is considered as a precursor to seed habit?

1. Retention of male gametophyte on parent sporophyte
2. Retention of female sporophyte on parent gametophyte
3. Retention of female gametophyte on parent sporophyte
4. Retention of male sporophyte on parent gametophyte

Q. The tips and nodes of the phylogenetic tree represent X and Y. Identify X and Y.

1. X - organisms, Y - common ancestor
2. X - organ, Y - successive generation
3. X - parent generation, Y - offsprings
4. X - common ancestor, Y - organisms