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Q1. List of endangered species was released by

• IUCN
• BBC
• WCC
• UN

Solution

IUCN releases the list of endangered species of plants, animals and fungi.

Q2. Ranthambore National Park is located in

• Rajasthan
• Gujarat
• UP
• Maharashtra

Solution

Ranthambore National Park is located in Sawai Madhopur district of Rajasthan.

Q3. Species become extinct most easily by

• Urbanisation
• Heavy rains
• Deforestation
• Sliding of hills

Solution

Forests are the habitat for many endangered and threatened species. Deforestation leads to the destruction of habitat of animals and hence may lead to extinction.

Q4. Binomial nomenclature was first introduced in

• Systema Naturae
• Genera Plantarum
• Genera Animalium
• Historia Plantarum

Solution

Carolus Linnaeus explained binomial nomenclature in his book Systema Naturae.

Q5. Which one of the following is a category?

• Order
• Family
• Genus
• All of these

Solution

Order, family and genus are taxonomic categories.

Q6. Binomial nomenclature means  

• One name given by two scientists  
• One name comprising a generic name and a specific epithet  
• Two names—one latinised and the other of a person  
• Two names—one scientific and the otherlocal  

Solution

Binomial nomenclature is a system of providing a name with two components—generic name and specific epithet.  

Q7. One of the following functions is exhibited only by green plants and not by animals.

• Response
• Photosynthesis
• Digestion
• Growth

Solution

Green plants synthesise their own food by the process of photosynthesis; however, animals are directly or indirectly dependent on plants for their food.

Q8. Mark the odd one in the series. 

• Plantae
• Chordata
• Tracheophyta
• Eucalyptus

Solution

Chordata is a phylum under Kingdom Animalia, whereas the rest belong to Kingdom Plantae.  

Q9. Which was the first national park established in India?

• Kanha
• Jim Corbett
• Kaziranga
• Gir

Solution

Jim Corbett National Park was established in 1936, and it was named Hailey National Park after its founder Sir Malcolm Hailey. In 1956, in honour of Jim Corbett, who took the initiative for wildlife preservation in India, the Indian Government renamed it as Corbett National Park.

Q10. A group of related genera with still less number of similarities as compared to the genus and species constitutes

• Order
• Class
• Family
• Division

Solution

A group of related genera with still less number of similarities as compared to the genus and species constitutes a family.

Q11. The Linnaean system of plant classification is based on 

• Morphological and anatomical characters
• Evolutionary trends
• Floral characters
• None of the above

Solution

Between 1707 and 1778, Carolus Linnaeus published his artificial system based exclusively on floral characters. Linnaeus’s sexual system based on floral characters is the most advanced artificial classification. 

Q12. Mixture of yeast, sugar and water was taken in a test tube. After one hour, bubbles were observed in the mixture. The formation of bubbles was due to

• Digestion
• Excretion
• Respiration
• Photosynthesis

Solution

Yeast exhibits anaerobic respiration. In the absence of oxygen, yeast breaks down sugar and forms ethanol and carbon dioxide. Due to the formation of carbon dioxide, bubbles are observed in the test tube.

Q13. A taxon is

• A group of related families
• A group of related species
• A type of living organism
• A taxonomic group of any ranking

Solution

A taxon is a group of similar and genetically related individuals which share some characteristics different from other groups.

Q14. The branch connected with nomenclature, identification and classification is

• Ecology
• Taxonomy
• Morphology
• Physiology

Solution

Taxonomy is the branch which deals with the classification of organisms. Identification, classification and nomenclature form the basis of taxonomy.

Q15. Which of the following is the correct hierarchical order of taxonomical categories?

• Kingdom, phylum, class, order, family, genus, species
• Kingdom, phylum, class, family, order, genus, species
• Division, class, kingdom, order, species, family
• Division, kingdom, family, class, order, species

Solution

Kingdom, phylum, class, order, family, genus, species is the correct hierarchical order in the descending manner.

Q16. The maintenance of constant temperature inside the body is an example of

• Homoeostasis
• Negative feedback loop
• Both A and B
• None of these

Solution

Homoeostasis is the mechanism by which organisms maintain their internal conditions with respect to any change in their external environment. Hence, the maintenance of constant body temperature is an example of homoeostasis.

Q17. The main cause of extinction of species from the tropics is

• Soil erosion
• Pollution
• Deforestation
• Afforestation

Solution

Forests are the habitat for many endangered and threatened species. Deforestation leads to the destruction of the habitat of animals and hence may lead to extinction.

Q18. Which animal is the symbol of World Wildlife Fund?

• Tiger
• Giant Panda
• Hornbill
• White bear

Solution

Giant Panda is the symbol of World Wildlife Fund.

Q19. The Indian rhinoceros is a natural inhabitant of which one of the Indian states?

• Uttarakhand
• Uttar Pradesh
• Himachal Pradesh
• Assam

Solution

The Indian rhinoceros is a natural inhabitant of Assam. It is the state animal of Assam.

Q20. Genus represents

• An individual plant or animal
• A collection of plants or animals
• A group of closely related species of plants or animals
• None of these

Solution

Genus represents a group of closely related species of plants or animals which share a phylogenetic relationship.

Q21. Who gave the first natural classification of plants? 

• Engler and Prantl
• Bentham and Hooker
• Aristotle
• John Ray

Solution

Bentham and Hooker gave the first natural classification of plants. 

Q22. The Father of Zoology is

• Carlous Linnaeus
• Aristotle
• John Ray
• Buffon

Solution

Aristotle is called the Father of Zoology. He made efforts to classify animals on the basis of some common characteristics.

Q23. All living organisms are linked to one another because  

• They have common genetic material of the same type.  
• They share common genetic material but to varying degrees.  
• All have common cellular organisation.  
• All of the above.  

Solution

All living organisms have common genetic material of the same type but to varying degrees. All organisms also have common cellular organisation.  

Q24. In nomenclature,

• Both genus and species are printed in italics.
• Genus and species may be of the same name.
• The first letter is capital in both genus and species.
• The genus is written after the species.

Solution

According to the universal rules of binomial nomenclature, both genus and species are written in italics.

Q25. Systematics refers to the study of  

• Identification and classification of plants and animals  
• Nomenclature and identification of plants and animals  
• Diversity of kinds of organisms and their relationships  
• Different kinds of organisms and their classification  

Solution

Systematics is the branch of biology which deals with the diversity of kinds of organisms and their relationships.  

Q26. True species  

• Interbreed
• Share the same niche
• Feed on the same food
• Are reproductively isolated

Solution

In sexually reproducing organisms, true species are reproductively isolated from one another. 

Q27. The biologist who has been called the ‘Darwin of the 20^th century’ is

• Linnaeus
• Ernst Mayr
• Diener
• Whittaker

Solution

Ernst Mayr has been called the ‘Darwin of the 20^th century’.

Q28. Red data book deals with  

• Endemic plants  
• Plants that are extinct  
• Animals on the verge of extinction  
• Plants showing photoperiodism  

Solution

A red data book deals with animals on the verge of extinction. Red data books are produced by IUCN and list the endangered and rare species of plants, animals and fungi.  

Q29. Kanha National Park is famous for  

• Birds  
• Rhinoceros  
• Tigers  
• Crocodiles  

Solution

Kanha National Park located in Madhya Pradesh is famous for tigers. It is one of the national parks where tigers are protected and conserved.  

Q30. Which of the following is an aim of a zoological park? 

• To increase interest in wildlife
• To provide recreation and education
• To conserve endangered species
• All of the above

Solution

There are three aims of a zoological park:  1. To increase interest in wildlife 2. To provide recreation and education 3. To conserve endangered species

Q31. Hot spots of biodiversity are areas  

• Where maximum number of fauna are found.  
• Where maximum number of flora are found.  
• Where maximum diversity is found.  
• Where maximum natural resources are found.  

Solution

Hot spots of biodiversity are the areas where maximum diversity is found.  

Q32. Red data books are produced by  

• IUCN  
• WWF  
• IBWL  
• None of these  

Solution

Red data books are produced by IUCN. A red data book is the list of endangered and rare species of plants, animals and fungi.  

Q33. The famous botanical garden of Kew is located in  

• India  
• England  
• Germany  
• France  

Solution

The Royal Botanic Gardens, Kew, was founded in 1759. It was declared as a UNESCO World Heritage Site in 2003.  

Q34. The suffix ‘-oideae’ is used for 

• Tribe
• Family
• Class
• Subfamily

Solution

‘-oideae’ is a suffix used in the subfamily, a category in biological classification ranking below a family and above a genus. Examples: Ericoideae, Faboideae 

Q35. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of

• Monographs
• Flora
• Both 1 and 2 above
• None of these

Solution

Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. A flora contains the account of habitat and distribution of plants in a given area. A monograph contains information on any one taxon.

Q36. The national bird of India is

• Hornbill
• Black swan
• House sparrow
• Peacock

Solution

Peacock was designated as the national bird of India in 1963.

Q37. Taxonomic group of any rank is

• Class
• Order
• Taxon
• Phylum

Solution

Taxon is a general term used for grouping of organisms in systematics.

Q38. Identify the odd combination of habitat and the particular animal concerned.  

• Periyar... ... Elephant  
• Rann of Kutch ... ... Wild Ass  
• Dachigam National Park ... ... Snow Leopard  
• Sundarbans ... ... Bengal tiger  

Solution

Dachigam National Park is located in Jammu and Kashmir. It is famous for the Kashmir stag or Hangul. Snow leopards are found in Hemis National Park, Ladakh.  

Q39. Kaziranga National Park is located in

• Assam
• Bengal
• Kerala
• Himachal Pradesh

Solution

Kaziranga National Park is located in Assam and is famous for the one-horned rhinoceros.

Q40. Binomial nomenclature was given by  

• R. H. Whittaker  
• Linnaeus  
• Aristotle  
• Theophrastus  

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