Home
Current Affairs January 2024

What is the correct answer?

4

As we go from species to kingdom in a taxonomic hierachy, the number of common characteristics

A. will decrease.

B. will increase.

C. remain same.

D. may increase or decrease.

Correct Answer :

A. will decrease.


All the members of a taxonomic category possess some similar characters which are different from those of others. The placement of individuals or organisms in species, genus, family, order, class and phylum are determined by their specific similar characters and relationships. Maximum similarity occurs in species which is also the lowest category in the hierarchy of categories. Similarity of characters decreases with the ascent in hierarchy.

Related Questions

What is the correct answer?

4

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 activities.

What is the correct answer?

4

Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?

A. Water

B. Temperature

C. Photoperiod

D. All of these

What is the correct answer?

4

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.

A. Herbarium

B. Museum

C. Zoological parks

D. Botanical gardens

What is the correct answer?

4

Systematics refers to the

A. identification and classification of plants and animals.

B. nomenclature and identification of plants and animals.

C. diversity of kinds of organisms and their relationship.

D. different kinds of organisms and their classification.

What is the correct answer?

4

Two animals which are the members of the same order must also be the members of the same __________.

A. class

B. family

C. genus

D. species

What is the correct answer?

4

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.

A. Only (i)

B. Both (ii) and (iii)

C. Both (i) and (iv)

D. All of these

What is the correct answer?

4

The famous botanical garden Kew is located in

A. England

B. Lucknow

C. Berlin

D. Australia

What is the correct answer?

4

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 progressive evolution.

B. reproduction.

C. growth and movement.

D. responsiveness to touch.

What is the correct answer?

4

Which of the following term is used to refer the number of varieties of plants and animals on earth ?

A. Taxonomy

B. Identification

C. Biodiversity

D. Classification

What is the correct answer?

4

Match column I with column II and choose the correct option.
Column-IColumn-II
A. FamilyI. tuberosum
B. KingdomII. Polymoniales
C. OrderIII. Solanum
D. SpeciesIV. Plantae
E. GenusV. Solanaceae

A. A IV; B III; C V; D II; E I

B. A V; B IV; C II; D I; E III

C. A IV; B V; C II; D I; E III

D. A V; B III; C II; D I; E IV

What is the correct answer?

4

Which of the following organisms is not correctly matched with its particular ?

A. Human beings Sapiens, species

B. Lion Panthera, genus

C. Cats Felidae, genus

D. Datura Solanaceae, family

What is the correct answer?

4

Which of the following is not a characteristic of life?

A. Reproduction

B. Complex chemical organization

C. Adaptation to environmental changes

D. Differentiation from cells to tissues

What is the correct answer?

4

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

A. (i) and (ii)

B. (i) and (iv)

C. (ii) and (iii)

D. (i) and (iii)

What is the correct answer?

4

In the given columns, column I contains the terms and column II contains its description. Select the correct match from the option given below.
Column IColumn II
A. GrowthI. Production o f offspring.
B. ReproductionII. Compos ed o f one or more cells .
C. MetabolismIII. Increase in mass and increase in number o f individuals .
D. Cellular organizationIV. Sum total of all chemical reactions occurring in body.

A. A - I, B - II, C - III, D - IV

B. A - III, B - I, C - II, D - IV

C. A - III, B - I, C - IV, D - II

D. A - II, B - IV, C - III, D - I

What is the correct answer?

4

Two plants can be conclusively said to belong to the same species if they

A. have same number of chromosomes.

B. can reproduce freely with each other and form seeds.

C. have more than 90 per cent similar genes.

D. look similar and possess identical secondary metabolites.

What is the correct answer?

4

In printed scientific names, only the ______ is capitalized.

A. class

B. species

C. genus

D. family

What is the correct answer?

4

Which of the following statement(s) is/are correct for Metabolsim ?

A. It is the sum total of all physical reactions taking place inside a living system.

B. All plants, animals, fungi and microbes exhibit metabolism.

C. Isolated metabolic reactions in-vitro are not living but are living reactions.

D. All of the above

What is the correct answer?

4

As we go from species to kingdom in a taxonomic hierachy, the number of common characteristics

A. will decrease.

B. will increase.

C. remain same.

D. may increase or decrease.

What is the correct answer?

4

Match the common name given in column I with their taxonomic category order given in column II and choose the correct combination from the options given below.
Column-IColumn-II
(Taxonomic categoryOrder)(Common name)
A. WheatI. Primata
B. MangoII. Diptera
C. HouseflyIII. Sapindales
D. ManIV. Poales

A. A I, B II, C IV, D III

B. A IV, B III, C II, D I

C. A II, B IV, C I, D III

D. A III, B IV, C II, D I

What is the correct answer?

4

The taxonomic unit phylum in the classification of animals is equivalent to which hierarchial level in classification of plants ?

A. Class

B. Order

C. Division

D. Family

What is the correct answer?

4

In multicellular organisms, _____ refers to the production of progeny possessing features more or less similar to those of parents.

A. growth

B. reproduction

C. metabolism

D. consciousness

What is the correct answer?

4

Which of the following statements regarding growth is incorrect?

A. In plants, growth by cell division is seen only upto a certain stage.

B. Growth exhibited by non-living objects is by accumulation of material on the surface.

C. A multicellular organism grows by cell division.

D. Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.

What is the correct answer?

4

Which of the following shows the correct example of taxonomic category - Genus?

A. Potato, tomato and brinjal belong to Solanum.

B. Monkey, gorilla and gibbon placed in Mammalia.

C. Solanum, Petunia, and Datura placed in Solanacea.

D. Mangifera indica, Solanum tuberosum, and Panthera leo.

What is the correct answer?

4

The fungi, the filamentous algae, the protonema of mosses, all easily multiply by _____.

A. budding

B. fission

C. regeneration

D. fragmentation

What is the correct answer?

4

Which one of the following statements is correct about biodiversity ?

A. It is the occurrence of varied type of organisms on earth.

B. Each different kind of plant, animal or organism represents a species.

C. The number of species that are known and described range between 1.71.8 million.

D. All of the above

What is the correct answer?

4

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 a taxonomic aid for identification of specimens.

D. Herbarium is a store house that contains dried, pressed and preserved plant specimens.

What is the correct answer?

4

Families are characterized on which of the following features of plant species?

A. External morphology

B. Anatomy of parts

C. Vegetative and reproductive parts

D. Seasonal similarities and variations

What is the correct answer?

4

Which of the following statements regarding nomenclature is correct?

A. Generic name always begins with capital letter whereas specific name with small letter.

B. Scientific name should be printed in italics.

C. Scientific name when typed or handwritten should be underlined.

D. All of the above

What is the correct answer?

4

Match column-I (Biological name) with column-II (Class) and choose the correct option.
Column-IColumn-II
(Biological name)(Class)
A. Homo sapiensI. Dicotyledonae
B. Musca domesticaII. Mammalia
C. Mangifera indicaIII. Monocotyledonae
D. Triticum aestivumIV. Insects

A. A IV; B II; C I; D III

B. A II; B IV; C III; D I

C. A II; B IV; C I; D III

D. A II; B I; C IV; D III

What is the correct answer?

4

Statement 1: Flora contains the actual account of habitat and distribution of plants of a given area.
Statement 2 : Flora helps in correct identification.

A. Statement 1 and 2 are true and statement 2 is the correct explanation for statement 1.

B. Statement 1 and 2 are true but statement 2 is not a correct explanation for statement 1.

C. Statement 1 is true and statement 2 is false.

D. Both the statements are false.