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WorksheetsPLANTS AND THEIR ENVIRONMENT
Total questions: 20
Worksheet time: 8mins
What is the main reason for leaf modification?
To catch and digest insects
To create new varieties
Modified for special functions
To store water
Why does Venus flytrap trap and digest insects and arachnids?
To perform the photosynthesis better
To get nutrients that are not available in the surrounding environment
To control the population of insects and arachnids in the environment
As the protection from herbivory and to reduce water loss
The function of these modified leaves are .....
attracting and trapping insects
protecting the new / next leaves
storing food to form bulbs
attracting pollinators and protecting inflorescences
The ______ can radiate heat from the stem during the day, and collect and drip condensed water vapour during the cooler night
spines
cacti
thorn
tendril
All of these statements on thorn and spine are correct, EXCEPT for
Spine and thorn both defend plant from herbivore organisms
Spine helps during dry condition by reducing water loss
Thorn helps in climbing
Thorn is a sharp, pointed structure that is a modified leaf
How this type of modified leaves helps the plant?
By providing protection for buds and can be further modified for food storage to form a bulb
Able to withstand little moisture or ground frozen winter
Protecting the plant from herbivores
By radiating heat from the stem during the day, and collecting and dripping condensed water vapour during the cooler night
Which of these examples are/is actually NOT stolon?
Which of the followings is not an example of leaf modification?
Which of the followings are NOT the examples of stem modification? (more than 1 answer)
How do Venus flytraps benefit from trapping and digesting insects and arachnids?
To perform photosynthesis more efficiently
To obtain nutrients not available in the environment
To control the population of insects and arachnids
As protection from herbivory and to reduce water loss
Which of the following is NOT a reason for leaf modification?
To catch and digest insects
To create new varieties
Modified for special functions
To store water
Potato tuber is modified /Edible part of potato is
Stem
Bulb
Stolon
Root
An underground specialised shoot with reduced disc like stem covered by fleshy leaves is
Bulb
Bulbil
Rhizome
Rhizophore
Which stem modification is used by plants for climbing?
Rhizomes
Stolons
Tendrils
Leaves
What is the main function of leaves in plants?
Photosynthesis
Transpiration
Food storage
All of the above
What is the process of secondary growth in stems called?
Vascular cambium
Cork cambium
Periderm
Phellogen
What is the function of lenticels in stems?
Gas exchange
Water absorption
Food storage
Protection from mechanical injury
Stem modification in which it grows parallel to the ground and has a creeping stem with long internodes.
rhizome
runner
stolon
corms
Which type of stem modification is primarily used for storage of nutrients?
Rhizome
Stolon
Tuber
Runner
Which of the following structures is a modified stem that grows underground?
Bulb
Leaf
Stolon
Branch
