Tag: botany

Questions Related to botany

A plant which lives for a few days is called

  1. Annual

  2. Perennial

  3. Biennial

  4. Ephemeral


Correct Option: D
Explanation:

A plant which lives for a few days is called ephemral because of a very short growing season.  Such plant are found near desert or in very cold  countries e.g., Arabidopsis species  have life span of  20-28 days . 

From which year, the current system of International Code of Botanical Nomenclature was adopted?

  1. 1878

  2. 1978

  3. 1968

  4. 1976


Correct Option: B
Explanation:

  • The International code of botanical nomenclature (ICBN) is the organization that is responsible for rules and recommendations which are proposed whenever organisms are named. 
  • There were different codes that were put forward in the years of 1800 and 1900s. 
  • The final revised code for ICBN was revised and accepted in the year 1978. 
Thus, the correct answer is option B. 

An important blue colour absorbing pigment in plant is 

  1. Phytochrome

  2. Cytochrome

  3. Phycocyanin and xanthophyll

  4. Allophycocyanin


Correct Option: A
Explanation:

It absorbs only blue and yellow green light and becomes inactive for the photomorphogenesis, photoperiodism etc.

Largest inflorescence is found in _____________.

  1. Acalypha

  2. Populus

  3. Amorphophallus

  4. Cabbage


Correct Option: C
Explanation:

Amorphophallus (or simple spadix inflorescence) is the largest inflorescence with 5.5 m length. Amorphophallus inflorescences variety in size from small, to the largest unbranched inflorescence in the world. This is the Amorphophallus titanium. It is found in the jungles of Sumatra. Whereas the remaining three are not in this category of the inflorescence.

The correct option is C.

Which is odd one

  1. China rose

  2. Maize

  3. Mango

  4. Sunflower


Correct Option: B
Explanation:

Maize is a monocotyledonous plant where as China  rose, Mango and sunflower are dicotyledonous plants. 

The term taxonomy was coined by

  1. Linnaeus

  2. De Candolle

  3. Lamarck

  4. Aristotle


Correct Option: B
Explanation:
AP De Candolle was a Swiss Botanist who coined the term "Taxonomy". He also proposed a natural method to classify plants and also was one of the first people to distinguish between the morphological and physiological characteristics of organs in plants.
So, the correct answer is, 'De Candolle'.

Number of animals studied by Aristotle was

  1. 1000

  2. 500

  3. 250

  4. 100


Correct Option: B
Explanation:

Aristotle was a Greek philosopher and scientist who gave the original classification upon his study of 500 animals based on environment, movement and structural similarities. He has been considered the father of Zoology, Biology, and Embryology. 

So, the correct option is '500'.

Identification, nomenclature and classification of organisms are dealt in

  1. Taxonomy

  2. Exobiology

  3. Ecology

  4. Embryology


Correct Option: A
Explanation:

Taxonomy refers to a biological classification in which the organisms are arranged in distinct groups based on their common characteristics. It mainly includes the process of identifying and classifying living organisms and give names to them

So, the correct answer is 'Taxonomy'

Taxonomy is connected with 

  1. Collection of plants and animals

  2. Classification of oragnisms

  3. Identification, nomenculture and classification of organisms

  4. All of the above


Correct Option: C
Explanation:
Classification of living organisms into different groups based on their characteristics is termed as taxonomy. Three main objectives of taxonomy are Identification, Nomenclature and Classification. It was brought in use by Carolus Linnaeus.
So, the correct option is(C) 'Identification, nomenclature and classification of organisms'.

The term taxonomy was coined by

  1. De Candolle

  2. Theophrastus

  3. Pliny

  4. Linnaeus


Correct Option: A
Explanation:

The term taxonomy was coined by De Candolle. It is defined as the classification of living organisms into different groups based on their nomenclature. Three main objectives of taxonomy are Identification, Nomenclature and Classification.

So, the correct option is 'De Candolle'.