Name the property of water that is essential for the

transport of dissolved minerals through vascular

tissues in plants.

(a)  

State two structural adaptations of plants in tropical

rainforests to manage high rainfall.

(a)  

What term describes the loss of water in the form of

liquid droplets from the margins of leaves?

(a)  

What is the name of the process by which seeds

germinate while still attached to the parent plant?

(a)  

Name the invasive aquatic fern species in Sri Lanka

that lacks true roots and floats on water

(a)  

Which animal is the smallest hoofed mammal in the

world and can be found in Sri Lanka?

(a)  

How many of the world’s seven species of sea turtles

come to Sri Lanka's shores to nest?

(a)  

Except for sound, light, touch, smell and taste, what

do birds’ sense which cannot be sensed by humans?

(a)  

What is the longest recorded deadly venomous snake

in the world?

(a)  

What is the smallest deer species found in South

America?

(a)  

Which European breed of cow has the highest

percentage of fat in its milk?

(a)  

What phylum does the most venomous animal in the

world belong to?

(a)  

What is the name of the grasslands of North America?

(a)  

Which climatic zone of Sri Lanka belongs to the

forest type where plants with small leaves and twisted

branches can be found?

(a)  

What is the secretion obtained from the Pinus plant?

(a)  

Which vitamin/mineral deficiency causes nervous

system disorders? ( write full name )

(a)  

What is the common name for the plant Terminalia

arjuna?

(a)  

Drying of leaf tips in plants occurs when the plant is

deficient in which element?

(a)  

How many years ago did the differentiation and

diversification of plants into roots and leaves begin?

(a)  

Which marine animal has blood that remains efficient

at transporting oxygen even in extremely cold,

oxygen-rich Antarctic waters due to the absence of

hemoglobin?

(a)  

Which animal possesses a unique respiratory system

with parabronchi that enables continuous airflow

through the lungs during both inhalation and

exhalation?

(a)  

Which deep-sea invertebrate has the largest eyes ever

recorded in the animal kingdom, helping it detect

predators in low-light environments?

(a)  

Which insect communicates primarily through

complex chemical signals known as pheromones to

coordinate large-scale colony behavior?

(a)  

Which fish species lacks a swim bladder and instead

relies on high oil content in its liver to maintain

buoyancy?

(a)  

Which animal has a copper-based oxygen-transport

protein that gives its blood a blue coloration instead of

red?

(a)  

Which marine ecosystem is often called the

“rainforest of the sea” due to its high biodiversity?

(a)  

What kind of ecosystems act as natural barriers

against tsunami hazards?

(a)  

Name the plant adaptation that helps Sri Lankan wet-

zone plants survive in shady understories.

(a)  

What is non-governmental, voluntary youth

organization based at the National Zoological Gardens

at Dehiwala, aiding the youth enthusiastic in wildlife

and conservation to learn about wildlife ( write long term )

(a)