Modified Leaves of Insectivorous Plants

Q.

The plant which traps and feeds on insects is:

1. Cuscuta

2. China rose

3. Pitcher plant

4. Rose

Q.

Name a plant that is partially autotrophic.

Q.

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

Q. Which of the following is not an insectivorous plant?

1. Venus-fly trap
2. Pitcher plant
3. Bougainvillea
4. Sundew

Q. In Nepenthes, pitcher is the modification of leaf

1. petiole
2. base
3. lamina
4. pulvinus

Q.

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example, which usually grows is shallow water or in marsh lands. What part of the plant is modified into a pitcher? How does this modification help the plant for food even though it can photosynthesise like any other green plant?

Q. In Nepenthes, pitcher is the modification of leaf

1. petiole
2. base
3. lamina
4. pulvinus

Q. The pitcher of Nepenthes (pitcher plant) is a modified

1. leaf base
2. leaf blade
3. petiole
4. stipules

Q.

Plants are autotrophic. Can you think of some plants that are partially heterotrophic?

Q. The pitcher of Nepenthes (pitcher plant) is a modified

1. leaf base
2. leaf blade
3. petiole
4. stipules

Q. Which of the following is not an insectivorous plant?

1. Venus-fly trap
2. Pitcher plant
3. Sundew
4. Bougainvillea

Q. In Nepenthes, the pitcher is a modified

1. Leaf tip
2. Leaf lamina
3. Lower part of the petiole
4. Upper part of the petiole

Q. Carnivorous plants like Nepenthus and Venus flytrap have nutritional adaptations. Which nutrients do they especially obtain and from where.

Q. Assertion :Cuscuta is an example of holoparasite. Reason: It does not depend on other plants for nutrition requirement.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

The leaves of the venus fly-trap are modified to trap the flies and consume them. These leaves are an example of compound leaves due to their complex structure.

1. True

2. False

Q. What is the function of the epidermal hairs present on the stem?

Q. Which part of the Nepenthes is modified into a pitcher?

1. Leaf
2. Stem
3. Root
4. None of the above

Q. In Nepenthes, pitcher is the modification of leaf

1. petiole
2. lamina
3. pulvinus
4. base

Q. Nepenthes is

1. Both primary producer and carnivore
2. Consumer
3. Producer
4. None of the above

Q. The plant Cuscuta shows maximum photosynthesis in

1. Red light
2. Blue light
3. Green light
4. No photosynthesis at all

Q. Sundew is also known as

1. Dionaea
2. Nepenthes
3. Drosera
4. Striga

Q.

The leaves of the venus fly-trap are modified to trap the flies and consume them. These leaves are an example of compound leaves due to their complex structure.

1. True

2. False