Biological Classification Questions and Answers Part-1

1. Who was the first to attempt a more scientific basis of classification?
a) Linnaeus
b) Aristotle
c) Whittaker
d) Bentham and Hooker

Answer: b
Explanation: Aristotle

2. Aristotle classified plants in herbs, shrubs and trees on the basis of
a) Anatomical feature
b) Morphological characters
c) Physiological characters
d) Biochemical characters

Answer: b
Explanation: Aristotle classified plants in herbs, shrubs and trees on the basis of Morphological characters.

3. In how many groups did Aristotle divide the animals on the basis of presence/absence of RBC?
a) 1
b) 2
c) 3
d) 4

Answer: b
Explanation: Aristotle divide the animals on the basis of presence/absence of RBC in two groups.

4.Two kingdom classification does not distinguish between
a) Eukaryote and prokaryote
b) Unicellular and multi-cellular organisms
c) Photosynthetic (green algae) and non-photosynthetic (fungi) organisms
d) All the above

Answer: d
Explanation: All the above

5. In which year Whittaker proposed the five kingdom classification?
a) 1960
b) 1959
c) 1969
d) 1979

Answer: c
Explanation: In 1969, Whittaker proposed the five kingdom classification.

6. Whittaker’s kingdom are
a) Plantae and Animalia
b) Monera and Protista
c) Fungi
d) All of these

Answer: d
Explanation: All of these

7. How many main criteria were used by Whittaker for classification?
a) 1
b) 3
c) 4
d) 5

Answer: d
Explanation: five

8. What is the criteria used by Whittaker for classification?
(1) Cell structure
(2) Thallus organization
(3) Mode of nutrition
(4) Reproduction
(5) Phylogenetic relationship
(6) Biochemical difference
(7) Physiological character
a) All except (5) and (6)
b) All except (5) and (7)
c) All except (6) and (7)
d) All except (3) and (4)

Answer: c
Explanation: All except (6) and (7)

9. In earlier classification (like two kingdoms), the following are included in plant
(1) Bacteria, blue green algae, fungus
(2) Mosses and fern
(3) Gymnosperms and angiosperm
a) (1) only
b) (2) and (3) only
c) (3) only
d) All of these

Answer: d
Explanation: All of these

10. What is common to bacteria, mosses and fungus?
a) It is a mode of nutrition
b) Presence of cell wall
c) Autotrophic
d) Body organization

Answer: b
Explanation: Presence of cell wall