PLANTS AND THEIR ENVIRONMENT

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?

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Which of the followings is not an example of leaf modification?

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Which of the followings are NOT the examples of stem modification? (more than 1 answer)

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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