Botany MCQ CBSE NEET-UG,JIPMER,AIIMS Medical Entrance Exam

NEET-UG Botany MCQ-4

Question No:1

The amount of usable energy which is available for doing work when the temperature and pressure are uniform throughout the system is called

(A) entropy
(B) enthalpy
(C) free energy
(D) activation energy

Question No:2

When a molecule is reduced it always

(A) loses electrons
(B) loses neutrons
(C) gains electrons
(D) loses both protons and electrons

Question No:3

The science of diversity of organisms is

(A) taxonomy
(B) evolution
(C) systematics
(D) palaeontology

Question No:4

The term taxonomy was coined by

(A) Ernst Haeckel
(B) H.F Copeland
(C) A.P.de Candolle
(D) Carolus Linnaeus

Question No:5

Who developed the ‘key’ for identification of animals?

(A) Goethe
(B) John Ray
(C) Theophrastus
(D) Geoges Cuvier

Question No:6

Who published the book ‘Species plant arum’ and provided a basis for classification of plants?

(A) Robert Hooke
(B) Charles Darwin
(C) Carolus Linnaeus
(D) Anton Leeuwenhoek

Question No:7

In binomial nomenclature

(A) both in genus and species the first letter is capital
(B) both genus and species are printed in italics
(C) genus and species may be of same name
(D) genus is written after the species

Question No:8

Binomial nomenclature includes

(A) genus, species
(B) genus, family
(C) genus, subfamily
(D) species, subsecies

Question No:9

The third name in trinomial nomenclature is

(A) genus
(B) species
(C) subgenus
(D) subspecies

Question No:10

When the specific epithet exactly repeats generic name, it is called :

(A) Basinym
(B) Synonym
(C) Homonym
(D) Tautonym

Question No:11

Taxon is

(A) species
(B) Unit of classification
(C) highest rank in classification
(D) group of closely related organisms

Question No:12

A species is taxonomically

(A) a fundamental unit in the phylogenetic history of organisms
(B) a group of evolutionary related population
(C) a base category to which most taxonomic information is attached
(D) Population of individuals having same genotypes and phenotypes

Question No:13

Interbreeding is possible between two members of

(A) order
(B) genus
(C) species
(D) family

Question No:14

The taxonomic status of an organism can be changed by changing

(A) anatomy
(B) physiology
(C) morphology
(D) genetic make up

Question No:15

(A): All the living organisms have the potential to evolve.

(R):Living organisms interact with one another and with the environment.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false

Question No:16

(A): Living organisms show homeostasis.

(R): Self -regulation occurs in living organisms when external conditions are stable and favorable.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false

Question No:17

(A): Life cannot be created by simply assembling all elements in right proportion and supply then with energy.

(R): Elements in right proportion and supplying then with energy.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false

Question No:18

(A): A living organism can be considered to be an open system.

(R): A living organism requires constant input of energy from its surroundings.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false

Question No:19

(A): All living organisms have the capacity to grow.

(R):Organisms use excess energy and nutrients for the synthesis of protoplasm and, cellular materials.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false

Question No:20

(A): The form of energy used by all organisms is chemical energy.

(R): Energy currency of the cell is ATP.

(A) Both A and R are true and R is the correct explanation
(B) Both A and R are true but R is not the correct explanation of A
(C) A is true but R is false
(D) Both A and R are false