MEDIUM
Earn 100

A dichotomous key is a tool used to classify organisms based on their similarities and differences.

50% studentsanswered this correctly

Important Questions on Form

HARD

Match the following lists:

  List I   List II
A) Theophrastus I) By hybridization and genetic engineering
B) C.G.K. Ramanujam II) Electron Microscope
C) Progress in floriculture and forestry III) Described the internal and external characters of plants
D) Knoll and Ruska IV) Developed the science of pollen

The correct match is

MEDIUM

Assertion (A): Socrates, Plato and Aristotle were responsible for the development of Botany into a science.
Reason (R) : They are regarded as Father of Botany. 

The correct option among the following is:

MEDIUM

Match the following Columns:

Columns - I Columns - II
a Father of Taxonomy i Joseph Pitton de Tournefort
b Father of Zoology ii Carolus Linnaeus
c Father of Medicine iii Aristotle
d Father of Biology iv Julian Huxley
e Concept of Genus v Hippocrates
f Father of Neotaxonomy vi Ernst Mayr
g Darwin of 20thcentury vii Hooker
EASY

Match the following lists:

  List -I   List -II
(A) Identification of Auxins (I) Frankel Conrat
(B) C4 pathway (ii) Charles Darwin
(C) Discovery of genetic nature of RNA (iii) J.B.Sumner
(D) Theory of evolution (iv)  F.W. Went
  (v) Hatch & Slack
The correct match is:
EASY
What are the advantages of classifying organisms?
EASY
What is meant by classification of an object?
EASY
What are the advantages of classification of objects?
EASY
Carolus Linnaeus proposed scientific name of animals in his book system nature (in 10th edition), which was published on1 Aug. 1758. Which taxonomical aid provides knowledge about these information's?
HARD
Explain what is binomial system of nomenclature ? Who gave this sytem?
MEDIUM
The following characteristics are essential for classification.
EASY

Rearrange the following categories of animal grouping in a sequence starting from the highest downward to the lowest.

  • Class
  • Phylum
  • Species
  • Genus
  • Kingdom 
EASY
Explain the merits and demerits of Whittaker’s classification.
MEDIUM
What is a dichotomous key? 
MEDIUM

Under each of the given headings, write the names of some things made by humans.

Metal Glass Wood
     
Plastic Leather Stone
     
MEDIUM
Classification helps to know the origin and evolution of an organism.
EASY
Use Whittaker method to classify bacteria, protozoa, fungi, algae, prokaryotic and eukaryotic microbes.
MEDIUM
Write any two merits of Five Kingdom classification.
HARD
Explain about five kingdom classification.
EASY
How can you appreciate the effort of scientists in classifying a wide range of organisms?