The Living World — Page 2 | NEET Biology

Q11

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

Correct Answer

Option D

Solution

(d) Taxon: a taxonomic group of any rank.

Q12

Biosystematics aims at

A identification and arrangement of organisms on the basis of their cytological characteristics

B the classification of organisms based on broad morphological characters

C delimiting various taxa of organisms and establishing their relationships

D the classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies

Correct Answer

Option D

Solution

(d) Biosystematics uses totality of information from all fields to establish evolutionary relationships.

Q13

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

Correct Answer

Option C

Solution

(c) Phenetic classification is based on observable (phenotypic) characteristics.

Q14

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.

Correct Answer

Option A

Solution

(a) ICBN = International Code of Botanical Nomenclature.

Q15

Which one of the following animals is correctly matched with its particular named taxonomic category?

A Tiger - tigris, the species

B Cuttlefish - Mollusca, a class

C Homo sapiens - Primates, the family

D Housefly - Musca, a family

Correct Answer

Option A

Solution

(a) tigris is the species name (specific epithet) of tiger (Panthera tigris).

Q16

Which one of the following organisms is scientifically correctly named and correctly described?

A Musca domestica - The common house lizard, a reptile.

B Plasmodium falciparum - A protozoan pathogen causing the most serious type of malaria.

C Felis tigris - The Indian tiger, well protected in Gir forests.

D E.coli - Full name Entamoeba coli, a commonly occurring bacterium in human intestine.

Correct Answer

Option B

Solution

(b) Plasmodium falciparum causes falciparum malaria — most serious form.

Q17

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 within only

C Perception of events happening in the environment and their memory

D Increase in mass by accumulation of material both on surface as well as internally.

Correct Answer

Option C

Solution

(c) Perception of environmental events and memory is exclusive to living organisms.

Q18

It is much easier for a small animal to run uphill 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 not necessarily less than in the small animals.

Correct Answer

Option B

Solution

(b) Smaller animals have a higher metabolic rate and thus greater relative energy production.

Q19

Static concept of species was put forward by

A de Candolle

B Linnaeus

C Theophrastus

D Darwin

Correct Answer

Option B

Solution

(b) Linnaeus introduced binomial nomenclature and held a static (fixed) view of species.

Q20

Employment of hereditary principles in the improvement of human race is

A Euthenics

B Eugenics

C Euphenics

D Ethnology

Correct Answer

Option B

Solution

(b) Eugenics: science dealing with genetic improvement of the human race.