Which of the following statement(s) is/are correct ?
(i) All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
(ii) Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.
(iii) Photoperiod affects the process of reproduction.
(iv) Human being is the only organism who has self consciousness.
Only (i)
Both (ii) and (iii)
Both (i) and (iv)
All of these
Correct Answer :
D. All of these
All the given statements are correct. All living organisms have the ability to respond the environment stimuli which could be physical, chemical or biological. Plant responds to external factors like light, water, temperature etc. Photoperiod is defined as the developmental responses of plants to the relative lengths of light and dark periods. It exclusively affects the reproduction in seasonal breeders, both plants and animals. Human being is the only organism who has self - consciousness.
Related Questions
Which of the following statements are not correct ?
(i) Lower the taxon, more are the characteristics that the members within the taxon share.
(ii) Order is the assemblage of genera which exhibit a few similar characters.
(iii) Cat and dog are included in the same family Felidae.
(iv) Binomial nomenclature was introduced by Carolus Linnaeus.
(i), (ii) and (iii)
(ii), (iii) and (iv)
(i) and (iv)
(ii) and (iii)
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
interaction with the environment and progressive evolution.
reproduction.
growth and movement.
responsiveness to touch.
Which of the following statement(s) is/are correct?
Only living organisms grow.
Plants grow only up to a certain age.
The growth in living organisms is from inside.
All of the above
Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?
Flora
Keys
Monographs
Catalogues
In printed scientific names, only the ______ is capitalized.
class
species
genus
family
The keys are based on contrasting characters generally in a pair called _______.
flora
couplet
both (a) and (b)
manuals
In angiosperm, characters of flowers are used in classification because
flowers are attractive.
flowers are large.
character of flowers are conserved.
none of the above.
Taxa differs from taxon due to being
a higher taxonomic category than taxon.
lower taxonomic category than taxon.
the plural of taxon.
the singular of taxon.
The famous botanical garden Kew is located in
England
Lucknow
Berlin
Australia
Which of the following taxonomic category of housefly is incorrectly matched?
Genus Musca
Family Muscidae
Order Primata
Class Insecta
Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?
Water
Temperature
Photoperiod
All of these
Which of the following organisms is not correctly matched with its particular ?
Human beings Sapiens, species
Lion Panthera, genus
Cats Felidae, genus
Datura Solanaceae, family
Which of the following statements is incorrect?
The scientific name for humans is Homo sapiens.
Organisms placed in the same genus are least closely related.
Moving from species to kingdom, more different species are included in each higher category.
Species that are in the same genus share very specific characteristics.
Which one of the following animals is correctly matched with its particular named taxonomic category ?
Tiger Tigris, the species
Cuttle fish Mollusca, a class
Humans Primata, the family
Housefly Musca, an order
The most important feature of all living systems is to
utilize oxygen to generate energy.
replicate the genetic information.
produce gametes.
utilize solar energy for metabolic activities.
Which one of the following is the first step in taxonomy ?
Naming
Description
Identification
Classification
Two animals which are the members of the same order must also be the members of the same __________.
class
family
genus
species
X being a higher category is the assemblage of families which exhibit a few Y characters. The Z characters are less in a number as compared to different genera included in a family. Identify X, Y, and Z.
X - Order; Y - Similar; Z - Similar
X - Genus; Y - Similar; Z - Different
X - Species; Y - Different; Z - Similar
X - Class; Y - Different; Z - Different
Match column-I with column-II and choose the correct combination from the options given below.
| Column-I | Column-II |
|---|---|
| A. National Botanical | I. Carolus Linneaus Research Institute |
| B. Indian Botanical | II. Taxon Garden |
| C. Binomial | III. Howrah (India) Nomenclature |
| D. A unit of | IV. Lucknow classification |
A III; B IV; C I; D II
A IV; B III; C I; D II
A IV; B III; C II; D I
A IV; B I; C III; D II
Which of the following statement(s) is/are not correct ?
(i) Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
(ii) Three different genera such as Solanum, Datura and Petunia are placed in the family malvaceae.
(iii) In case of plants, classes with a few similar characters are assigned to a higher category called phylum.
Both (i) and (ii)
Only (iii)
Both (ii) and (iii)
All of these
Which of the following statements are correct?
(i) Genus comprises a group of related species.
(ii) Taxon represents a taxonomic group of individual organisms.
(iii) Family comprises a group of related genera.
(iv) Taxonomic category class includes related orders.
(i), (ii), and (iv)
(ii) and (iv)
(i), (iii) and (iv)
(ii), (iii) and (iv)
If an organism is in the same class but not in the same family then it may belong to same
genus
species
variety
order
Which of the following taxonomic aid provides information for the identification of names of species found in an area?
Monograph
Manual
Flora
Periodical
Which of the following statement(s) is/are not correct ?
(i) Reproduction is the production of progeny possessing features dissimilar to their parents.
(ii) The fungi, the filamentous algae, the protonema of mosses, all multiply by budding.
(iii) Many organisms like mules, sterile worker bees do not reproduce.
(iv) Reproduction is not an all-inclusive defining characteristic of living organisms.
Only (i)
Both (i) and (ii)
Both (ii) and (iv)
All of these
One of the most important functions of botanical gardens is that
they provide a beautiful area for recreation.
one can observe tropical plants there.
they allow ex-situ conservation of germ plasm.
they provide the natural habitat for wildlife.
Which one of the following is not a correct statement?
Botanical gardens have collection of living plants for reference.
A museum has collection of photographs of plants and animals.
Key is a taxonomic aid for identification of specimens.
Herbarium is a store house that contains dried, pressed and preserved plant specimens.
Which of the following statement(s) is/are correct ?
(i) Classification is the providing of standardize names to the organisms such that a particular organism known by the same all over the world.
(ii) Taxonomy is the correct description of an organism and to recognition in its scientific name.
(iii) The system of naming with two components (binomial nomenclature) is proposed by Carolus Linneaus.
(iv) Zoological names are based on International Code for Zoological Nomenclature (ICZN).
Only (i)
Both (iii) and (iv)
Only (iv)
All of these
ICBN stands for
International Code of Botanical Nomenclature
International Congress of Biological Names
Indian Code of Botanical Nomenclature
Indian Congress of Biological Names
The practical purpose of classification of living organisms is to
explain the origin of living organsims.
trace the evolution of living organsims.
name the living organisms.
facilitate identification of unknown organisms.
Which of the following taxonomical aids is being described by the given statements (i-iv) ?
(i) They generally established in educational institutes.
(ii) They have collections of preserved plant and animal specimens for study and reference.
(iii) Insects are preserved in boxes after collecting, killing and pinning.
(iv) They often have collections of skeletons of animals too.
Herbarium
Museum
Zoological parks
Botanical gardens