HARD
Earn 100

Biosystematics aims at
(a)the classification of organism based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies.
(b)identification and arrangement of organisms on the basis of their cytological characteristics.
(c)the classification of organisms based on broad morphological characters.
(d)delimiting various taxa of organisms and establishing their relationships.

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Important Questions on The Living World
EASY

EASY
Identify the floral unit 'I' in the given floral diagram.

EASY
Which of the following are the characteristic features of the family Fabaceae?
I. Gamosepalous nature
II. Stamens five, epipetalous
III. Marginal placentation
IV. Petals five, polypetalous
V. Fruit is a berry
The correct answer is:

EASY
LIST-I | LIST-II | LIST-III | |||
A | Atropa | i | Ormament | I | Number and codes |
B | Computer usage in taxonomy | ii | Medicine | II | Pterocarpus |
C | Gloriosa | iii | Fabaceae | III | Solanaceae |
D | Odd sepal anterior | iv | Numerical Taxonomy |
IV | Rhizome |
The correct match is:

EASY

HARD
Match Column - I with Column - II.
Column-I | Column-II | ||
(a) | ![]() |
(i) | Brassicaceae |
(b) | ![]() |
(ii) | Liliaceae |
(c) | ![]() |
(iii) | Fabaceae |
(d) | ![]() |
(iv) | Solanaceae |

EASY
One of the families is characterized by the following floral formula:
Identify the family:

MEDIUM
Identify the plants by their characters respectively:
A) Helianthus | i) Axillary buds as tendril, inferior ovary, mesocarp edible |
B) Eichhornia | ii) A lateral branch of one internodal length, swollen petiole |
C) Cucumber | iii) Funnel shaped corolla, dehiscent fruit |
D) Datura | iv) Basal placentation, condensed peduncle |

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MEDIUM

EASY

MEDIUM
Column – I | Column – II |
a. Family | (i) Diptera |
b. Order | (ii) Arthropoda |
c. Class | (iii) Muscidae |
d. Phylum | (iv) Insecta |

MEDIUM
A) For classification of higher organisms we need to know technical terms and variation of the parts
B) Roots arise from radicle are called fibrous roots
C) The modified bract is called "Spathe"
D) In Apiaceae family, each flower is surrounded by involucre of bracts.

EASY
Medicinally important plant and a tendrillar climber with unisexual flowers
Spice yielding plant with cymose inflorescence, persistent calyx, unilocular ovary
Oilseed plant with monadelphous stamens, unilocular ovary, and indehiscent pod

EASY
List-I | List-II | List-III | |||
A | Circular DNA | i | Sprouting out of cell | I | Attach the bacteria to the host tissue |
B | Fimbriae | ii | Outermost layer of the cell wall | II | Solanaceae |
C | Middle lamella | iii | Makoi | III | Plasmid DNA |
D | Mesocarp and endocarp fused | iv | No nuclear membrane | IV | Develops from the cell plate |
The correct match is:

MEDIUM
Choose the number of modifications in Allium cepa.
Tunicated bulb; reduced stem; adventitious roots; umbel inflorescence; solid leaves; fleshy leaf bases; involucre of bracts

HARD

EASY
is the floral formula of:

EASY
List - I | List - II | ||
(a) | Charles Darwin | (i) | Systema Naturae |
(b) | John Ray | (ii) | Natural History |
(c) | Buffon | (iii) | Historia Generalis plantarum |
(d) | Linnaeus | (iv) | The origin of species |
The correct answer is

EASY

