http://avxhome.se/blogs/Torries

passage Based Questions

28.(A) Complete the given passages with appropriate words or
phrases.
Growth is an (i) increase in mass of an individual. In

unicellular organisms (ii) is the means of growth as

well as reproduction. In multicellular organisms growth

and reproduction are mutually (iii). living organisms

show internal growth due to addition of materials and

formation of cells inside the body. Such a method is

called (iv). Chemically growth is the result of difference

between (v) and (vi). (vii) can occur when

catabolism exceeds anabolism.

(B) Read the given passage and correct the errors, wherever
present.

According to the rules of binomial nomenclature each
organism is given two names consisting of the two words,
generic and specific. Two species belonging to same genus
can have similar specific names. The specific name is
written first followed by generic name. Generic name begins
with a small letter whereas specific name begins with a
capital letter. Scientific names are derived from Spanish
language.

Assertion & reason

In each of the following questions, a statement of Assertion

(A) is given and a corresponding statement of Reason (R)
is given just below it. Of the statements, mark the correct

answer as :
(a) if both A and R are true and R is the correct explanation of

A
(b) if both A and R are true but R is not the correct explanation

of A
(c) if A is true but R is false

(d) if both A and R are false.

29. Assertion : Organisms are named according to binomial

nomenclature.

Reason : Scientific name consists of two words, one

generic and other vernacular.

30. Assertion : New names in binomial nomenclature are
    derived from latin language or are latinised.

Reason : latin language is dead and will not change
in form or spellings with the passage of time.

31. Assertion : Reproduction cannot be an all-inclusive
    defining characteristic of living organisms.

Reason : There are many living organisms which do

not reproduce e.g., mules, sterile worker bees, etc.

32. Assertion : The taxonomic hierarchy includes seven
    obligate categories viz. Kingdom, Phylum or Division,
    Class, Order, Family, Genus and Species.
    Reason : Subkingdom, Subphylum or Subdivision,
    Subclass, Suborder, etc are intermediate categories.


33. Assertion : Solanum is a polytypic genus.
    Reason : Solanum has a large number of closely related
    species, e.g., S.nigrum, S.tuberosum, S.melongena,
    etc.


34. Assertion : Petunia and Datura show some similarities.
    Reason : Petunia and Datura are placed in the same
    Family Brassicaceae.


35. Assertion : Botanical garden is a store house of collected
    plant specimens that are dried, pressed and preserved
    on sheets.
    Reason : Herbarium is a specialised garden having
    collections of living plants for reference.


36. Assertion : Classical taxonomy studies evolution and
    interrelationships of species.
    Reason : Classical taxonomy considers species to be
    dynamic.


37. Assertion : Monograph is a treatise having all information
    about a particular taxon.
    Reason : Manual is a handy book containing information
    for identification of names of species found in an
    area.


38. Assertion : Systematics is the branch of biology that
    deals with classification of organisms.
    Reason : Aim of classification is to group the organisms
    in an orderly manner.
    Figure Based Questions


39. Refer the given table, which shows different organisms
    with their taxonomic categories and answer the following
    questions.

Common

Name

Biological

Name

Family Order Class

Housefly Musca

domestica

A Diptera Insecta

Datura Datura

datura

Solanaceae B Dicoty-

ledonae

Wheat Triticum

aestivum

Poaceae Poales C

Cat D Felidae Carnivora Mammalia

(a) Select the correct words for A, B, C and D.

(b) Give the name of the one more Family belonging to

Order B.

(c) Give the name of another Genus belonging to Family

A.