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
Correct Answer :
B. Both (i) and (ii)
Reproduction refers to the production of progeny possessing features more or less similar to those of parents. The fungi, the filamentous algae, the protonema of mosses, all easily multiply by fragmentation.
Related Questions
Which of the following taxonomic category of housefly is incorrectly matched?
Genus Musca
Family Muscidae
Order Primata
Class Insecta
Taxonomic hierarchy refers to
step-wise arrangement of all categories for classification of plants and animals.
a group of senior taxonomists who decide the nomenclature of plants and animals.
a list of botanists or zoologists who have worked on taxonomy of a species or group.
classification of a species based on fossil record.
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)
Which of the following statements regarding nomenclature is correct?
Generic name always begins with capital letter whereas specific name with small letter.
Scientific name should be printed in italics.
Scientific name when typed or handwritten should be underlined.
All of the above
In multicellular organisms, _____ refers to the production of progeny possessing features more or less similar to those of parents.
growth
reproduction
metabolism
consciousness
Which one of the following is the first step in taxonomy ?
Naming
Description
Identification
Classification
ICBN stands for
International Code of Botanical Nomenclature
International Congress of Biological Names
Indian Code of Botanical Nomenclature
Indian Congress of Biological Names
Two plants can be conclusively said to belong to the same species if they
have same number of chromosomes.
can reproduce freely with each other and form seeds.
have more than 90 per cent similar genes.
look similar and possess identical secondary metabolites.
Which two points are known as the twin characteristics of growth?
(i) Increase in mass
(ii) Differentiation
(iii) Increase in number of individuals
(iv) Response to stimuli
(i) and (ii)
(i) and (iv)
(ii) and (iii)
(i) and (iii)
Which of the following shows the correct example of taxonomic category - Genus?
Potato, tomato and brinjal belong to Solanum.
Monkey, gorilla and gibbon placed in Mammalia.
Solanum, Petunia, and Datura placed in Solanacea.
Mangifera indica, Solanum tuberosum, and Panthera leo.
Systematics refers to the
identification and classification of plants and animals.
nomenclature and identification of plants and animals.
diversity of kinds of organisms and their relationship.
different kinds of organisms and their classification.
Match column-I (Biological name) with column-II (Class) and choose the correct option.
| Column-I | Column-II |
|---|---|
| (Biological name) | (Class) |
| A. Homo sapiens | I. Dicotyledonae |
| B. Musca domestica | II. Mammalia |
| C. Mangifera indica | III. Monocotyledonae |
| D. Triticum aestivum | IV. Insects |
A IV; B II; C I; D III
A II; B IV; C III; D I
A II; B IV; C I; D III
A II; B I; C IV; D III
Cell division occurs _______ in plants and _______ in animals.
continuously, only upto a certain age
only upto a certain age, continuously
continuously, never
once, twice
Which of the following statements regarding growth is incorrect?
In plants, growth by cell division is seen only upto a certain stage.
Growth exhibited by non-living objects is by accumulation of material on the surface.
A multicellular organism grows by cell division.
Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.
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
Statement 1 : The species is reproductively isolated natural population.
Statement 2 : Prokaryotes cannot be kept under different species on the basis of reproductive isolation.
Statement-1 and Statement-2 are True and statement-2 is a correct explanation for statement-1
Statement -1 and statement -2 are True and statement-2 is not a correct explanation for statement-1
Statement-1 is true and statement-2 is false
Both the statements are false.
Each category of taxonomic hierarchy refers to as a unit of ______.
systematic
identification
nomenclature
classification
Which of the following statements regarding growth is incorrect?
In animals growth is seen up to a certain age.
Increase in body mass is considered as growth.
Growth by cell division occurs continuously throughout their life span in animals.
Increase in mass and number of individuals is the characteristics feature of animal growth.
Statement 1: Flora contains the actual account of habitat and distribution of plants of a given area.
Statement 2 : Flora helps in correct identification.
Statement 1 and 2 are true and statement 2 is the correct explanation for statement 1.
Statement 1 and 2 are true but statement 2 is not a correct explanation for statement 1.
Statement 1 is true and statement 2 is false.
Both the statements are false.
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 term is used to refer the number of varieties of plants and animals on earth ?
Taxonomy
Identification
Biodiversity
Classification
Which of the following statements (i - vi) are correct ?
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
(i) and (iii)
All except (v)
All except (iii)
All of these
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
Statement 1 : Taxon and category are different things.
Statement 2 : Category shows hierarchical classification.
Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1
Statement -1 and Statement -2 are true; statement-2 is not a correct explanation for statement - 1
Statement - 1 is true and statement- 2 is false
Both the statements are false.
The common characteristics between tomato and potato will be maximum at the level of their__________.
genus
family
order
division
Match the taxonomic categories given in column I with their feature given in column II.
| Column I | Column II |
|---|---|
| A. Taxon | I. Basic unit of classification |
| B. Species | II. A taxonomic group of any rank |
| C. Phylum | III. Division is the same category in case of plants |
| D. Genus | IV. Identified based on a number of similar characters |
| E. Order | V. Group of related species having more character in common with others species |
A - V, B - II, C - IV, D - III, E - I
A - III, B - I, C - IV, D - II, E - V
A - II, B - I, C - III, D - V, E - IV
A - III, B - II, C - IV, D - I, E - V
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
In printed scientific names, only the ______ is capitalized.
class
species
genus
family
Which one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?
Flora
Keys
Monographs
Catalogues
Refer the botanical name of wheat Triticum aestivum and identify the statement which correctly describes it.
The second word belongs to genus and starts with a small letter.
Both the words Triticum aestivum denote the specific epithet.
The first word Triticum denotes the genus which starts with a capital letter.
The first word Triticum denotes the specific epithet while the second word denotes the genus.