Home
Current Affairs January 2024

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.

Correct Answer :

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


Two plants can be conclusively said to belong to the same species if they can reproduce freely with each other and form seeds.

Related Questions

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

Each category of taxonomic hierarchy refers to as a unit of ______.

A. systematic

B. identification

C. nomenclature

D. classification

What is the correct answer?

4

Select the correct statements (i-v) regarding taxonomic categories.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.

A. (i) & (ii) only

B. (ii) & (iv) only

C. (i), (ii) & (iii) only

D. All of the above

What is the correct answer?

4

Which of the following characters given below displays the description of lowest taxonomic category of the organisms of plant and animal kingdom?

A. It includes one or more than one order.

B. It is a group containing one or more families.

C. It is a group of related individuals that resemble one another.

D. It is a group of organisms that are closely related and share similar characteristics.

What is the correct answer?

4

Taxonomic hierarchy refers to

A. step-wise arrangement of all categories for classification of plants and animals.

B. a group of senior taxonomists who decide the nomenclature of plants and animals.

C. a list of botanists or zoologists who have worked on taxonomy of a species or group.

D. classification of a species based on fossil record.

What is the correct answer?

4

The practical purpose of classification of living organisms is to

A. explain the origin of living organsims.

B. trace the evolution of living organsims.

C. name the living organisms.

D. facilitate identification of unknown organisms.

What is the correct answer?

4

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.

A. (i) and (iii)

B. All except (v)

C. All except (iii)

D. All of these

What is the correct answer?

4

Each statement in the key is called _______.

A. lead

B. catalogues

C. manuals

D. monographs

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 one of the following taxonomical aid is used for identification of plants and animals based on similarities and dissimilarities?

A. Flora

B. Keys

C. Monographs

D. Catalogues

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

The sum total of all the chemical reactions occurring in our body is known as

A. metabolism

B. growth

C. regeneration

D. reproduction

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

Genus represents

A. an individual plant or animal.

B. a collection of plants or animals.

C. group of closely related species of plants or animals.

D. none of the above.

What is the correct answer?

4

The disadvantage of using common names for species is that

A. the names may change.

B. one name does not apply universally.

C. one species may have several common names and one common name may be applied to two species.

D. all of the above

What is the correct answer?

4

If an organism is in the same class but not in the same family then it may belong to same

A. genus

B. species

C. variety

D. order

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

Herbarium is a

A. garden where medicinal plants are grown.

B. garden where herbaceous plants are grown.

C. dry garden.

D. chemical to kill plants.

What is the correct answer?

4

Statement 1 : Taxon and category are different things.
Statement 2 : Category shows hierarchical classification.

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

B. Statement -1 and Statement -2 are true; 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.

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

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

Which of the following aspects is an exclusive characteristic of living things ?

A. Isolated metabolic reactions occur in vitro.

B. Increase in mass from inside 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.

What is the correct answer?

4

Which of the following taxonomic category of housefly is incorrectly matched?

A. Genus Musca

B. Family Muscidae

C. Order Primata

D. Class Insecta

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

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

Refer the botanical name of wheat Triticum aestivum and identify the statement which correctly describes it.

A. The second word belongs to genus and starts with a small letter.

B. Both the words Triticum aestivum denote the specific epithet.

C. The first word Triticum denotes the genus which starts with a capital letter.

D. The first word Triticum denotes the specific epithet while the second word denotes the genus.

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

One of the most important functions of botanical gardens is that

A. they provide a beautiful area for recreation.

B. one can observe tropical plants there.

C. they allow ex-situ conservation of germ plasm.

D. they provide the natural habitat for wildlife.

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

Which of the following statements are correct about herbarium?

A. It is a store house of collected plant specimens that are dried and preserved on sheets.

B. Herbarium sheets contain information about date and place of collection, names, family, collectors name, etc.

C. It serves as quick referral systems in taxonomical studies.

D. All of the above