EASY
Earn 100

Define hydrophytes and give examples.

Important Questions on Principles of Ecology

EASY
Which of the following plant traits (characters) is NOT an adaptation to dry (Xeric) habitats?
HARD
What do you mean by volant adaptations in animals? What is patagia? 
HARD

Hydrilla and Limnophila are examples for the following categories respectively,

i) Free-floating hydrophyte and rooted hydrophyte with floating leaves

ii) Submerged, suspended hydrophyte

iii) An amphibious plant

iv) Submerged, suspended hydrophyte and a free-floating hydrophyte

v) Submerged, rooted hydrophyte and an amphibious plant

The correct combination is

EASY
Select the incorrect anatomical adaptation of Xerophytes among the following?
MEDIUM
Indicate the correct statement from the following
EASY

Match the following:

  Set-I   Set-II
(A) Endosmosis (I) High altitude adaptation
(B) Exosmosis (II) Desert adaptation
(C) Metabolic water (III) Problem for fresh water animal
(D) Increase in the RBC production (IV) Problem for marine animals

The correct match is

MEDIUM
Give three adaptations in organisms by which they avoid predation.
EASY
Which of the following features of plants is not helpful in adapting to desert life?
EASY
Root does not help in the absorption of water in which of the following plant?
EASY
Desert ephemeral plants play an important role in desert ecosystem stability and environmental conservation. 
EASY

In a pond, we see plants that are free-floating, rooted-submerged, rooted emergent, rooted with floating leaves. Write the type of plants against each of the following:

Plant name Type
a. Hydrilla _____
b. Typha _____
c. Nymphaea _____
d. Lemna _____
e. Vallisneria _____
HARD
Question Image
Study the picture and identify the ephemeral plant:
EASY

Hydrophytes are plants that require water for survival.

HARD
Question Image
Study the above figure of the ephemeral plant and state the scientific name: (2 words)
MEDIUM

Differentiate between:

Mesophytes and hydrophytes-

EASY
Fill in the missing letters and explain the term:
E P           A   S
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY

Water is very essential for life. Write any three features for plants which enable them to survive in water scarce environment.

MEDIUM
What are hydrophytes? Briefly discuss the different kinds of hydrophytes with examples.
HARD
Which of the following statements is/are correct?