NEET

 The Living World

1.Which of the following has proved helpful in preserving pollen as fossils?

(a) Pollenkitt   (b) Cellulosic intine   (c) Sporopollennin  (d) Oil content

ANS: C

2. It is much easier for a small animal to run uphill than for a large animal, because

(a) it is easier to carry a small body weight.

(b) smaller animals have a higher metabolic rate.

(c) small animals have a lower O2 requirement.

(d) the efficiency of muscles in large animals is less than in the small animals.

ANS:B

3. Which one of the following aspects is an exclusive characteristic of living things?

(a) Isolated metabolic reactions occur in vitro 

(b) Increase in mass from inside only

(c) Perception of events happenning in the environment and their memory

(d) Increase in mass by accumulation of material both on surface as well as internally

ANS:C

4. Biological organisation starts with

(a) Cellular Level

(b) Organismic level

(c) atomic level

(d) submicroscopic molecular level

ANS: D

5. The living organisms can be unexceptionally distinguished from the non-living              things on the basis of their ability for

(a) interaction with the environment and progessive evolution

(b) reproduction

(c) growth and movement

(d) responsiveness to touch.

ANS: B

6. Angiosperms have dominated the lead flora primarily because of their

(a) power of adaptability in diverse habitat

(b) property of producing large number of seeds

(c) nature of self pollination

(d) domestication by man

ANS: A

7. Organisms which obtain energy by the oxidation of reduced inorganic compounds are called 

(a) photoautotrophs

(b) chemoautotrophs

(c) saprozoic

(d) coproheterotrophs

ANS:B

8. What is true for photolithotrops?

(a) Obtain energy from radiations and hydrogen from organic compounds

(b) Obtain energy from radiations and hydrogen from inorganic compounds 

(c) Obtain energy from organic compounds

(d) Obtain energy from inorganic  compounds

ANS: B

10. The most important feature of all living systems is to

(a) utilize oxygen to generate energy

(b) replicate the genetic information

(c) produce gametes

(d) utilize solar energy for metabolic activites

ANS: B

11. The book Genera plantarum was written by 

(a) Bessy 

(b) Hutchinson

(c) Engler and Prantl

(d) Bentham & Hooker

12. Study of fossils is

(a) palaeontology

(b) herpetology

(c) saurology

(d) organic evolution

ANS: A

13.  Homeostasis is organism's

(a) tendency to change with change in environment

(b) tendency to resist change

(c) disturbance in regulatory control

(d) plants and animal extracts used in homeopathy

ANS:B

14. Employment of hereditary principles in the improvement of  human race is

(a) Euthenics

(b) herpetology 

(c) Euphenics

(d) Ethnology

ANS: B

15. Static concept of species was put forwad  by

(a) de Candolle

(b) Linnaeus

(c) Theophrastus

(d) Darwin

ANS: B

16. Which of the following is against the rules of ICBN?

(a) Generic and specific names should be written starting with small letters

(b)  Hand written scientific names should be underlined

(c) Every species should have a generic names and a specific epithet

(d) Scientific names are in Latin and should  be italized

ANS:A

17.  Nomenclature is governed by certain universal rules. which one of the following is contrary to the rules of nomenclature ?

(a) Biological names can be written in any lanuage

(b) The first word in a biological name represents the genus name, and the second is a specific epithet

(c) The names are written in latin and are italicised

(d) When written by hand, the names are to be underlined

ANS:B

18.  The common characteristics between tomato and potato will be maximum at the level of their

(a) Genus

(b) Family

(c) Order

(d) Division

ANS: A

19. ICBN stands for 

(a) International Code of Botanical Nomenclature

(b) International congress of Biological Names

(c) Indian Code of Botanical Nomenclature

(d) Indian Congress of Biological Names.

ANS:A

20. Phenetic classification is based on

(a) sexual characteristics

(b) the ancestral lineage of existing organisms 

(c) observable characteristics of existing organisms

(d) dendograms based on DNA characteristics 

ANS: C

21. Species are considered as

(a) real units of classification devised by taxonomists

(b) unit in the evolutionary history of a tree

(c) specific class of evolution

(d) artifical concept of human mind which cannot be defined in absolute terms

ANS:C

22. What is true for individuals of same species ?

(a) Live in same niche

(b) Live in same habitat

(c) Interbreeding

(d) Live in different habitat

ANS:C

23. The practical purpose of classification of living organisms is to

(a) explain the origin of living organisms

(b) trace the evolution of living organisms

(c) name the living organisms

(d) a taxonomic group of any ranking

ANS:D

24. A taxon is 

(a) a group of related families

(b) a group of related species

(c) a type of living organisms

(d) a taxonomic group of any ranking

ANS:D

25. Bionomial nomenclature was introduced was introduced by

(a) de vries

(b) Carlous Linnaeus

(c) Huxley 

(d) John Ray

ANS:A

26.  Binomial nomenclature consists of two words

(a) Genus and species 

(b) Order and family

(c) Family and genus

(d) Species and variety

ANS:B

27. "Taxonomy without phylogeny is similar to bones without flesh" is the statement of

(a) Oswald Tippo 

(b) John Hutchinson

(c)  Takhtajan

(d) Bentham and Hooker

ANS: C

28. Binomial nomenclature means

(a) one name given by two scientists

(b) one scientific name consisting of a generic and specific epithet

(c) two names, one latinised, other of a person

(d) two names of same planet

ANS: B

29.  Linnaeus is credited with

(a) binomial nomenclature

(b) theory of biogenesis

(c) discovery of microscope 

(d) discovery of blood circulation

ANS: A

30. The term phylum was given by

(a) Cuvier

(b) Haeckal

(c) Theophrastus

(d) Linnaeus

ANS: A

31. Sequence of taxonomic categories is

(a) Class- Phylum- Order- Family- Genus- Species

(b) Division- Class- Family- Tribe- Order- Genus- Species

(c) Division- Class- Order- Family- Tribe- Genus- Species

(d) Phylum- Order- Class- Tribe- Family- Genus- Species

ANS: C

32. An important criterion for modern day classification is

(a) resemblances in morphology

(b) anatomical and physiological traits

(c) breeding traits

(c) presence or absence of notocord

ANS:B

33. Linnaeus evolved a system of nomenclature called

(a) mononomial

(b) vernacular

(c) bionomial

(d) polynomial

ANS: C

34. Basic unit or smallest taxon of taxonomy classication

(a) species

(b) kingdom

(c) family 

(d) variety

ANS: C

35. The term "New Systematics" was introduced by

(a) Bentham and Hooker

(b) Linnaeus

(c) Julian Huxley

(d) A.P.de Candolle

ANS: C

36.  The contrasting characteristics generally in a pair used for identification of animals in Taxonomic key are referred to as

(a) Alternate

(b) Lead

(c) Couplet

(d) Doublet

ANS: C

37.  Which one of the following is not a correct statement?

(a) Botanical gardens have collection of living plants for reference

(b) A museum has collection of photographs of plants and animals

(c) Key is taxonomic aid for identification of specimens

(d) Herbarium houses dried, pressed and preserved  plant specimens.