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Morphology Of Flowering Plants

Question

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Cuscuta is an example of

ectoparasitism

brood parasitism

predation

endoparasitism

Solution

A.

ectoparasitism

Cuscutta (Amarbel) is a total stem parasite that grows on a number of plants like - Citrus, Duranta, Zizyphus, etc. It sends a number of haustoria into the host. Xylem and phloem of haustorium make connection with sap and food channel of host.
Predation is an interaction in which member of one species capture, kill and eat up member of Endoparasite lives inside the host body.

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:
(e) superior ovary

Define the following terms:
perigynous flower

Define the following terms:
epipetalous stamen

Define the following terms:

(a) Racemose and cymose inflorescence

Define the following terms:
(b) Fibrous root and adventitious root

Define the following terms:
(c) Apocarpous and syncarpous ovary

Draw the labelled diagram of the following:
(i) Gram seed (ii) V.S. of maize seed

Describe modifications of stem with suitable examples.

Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

Describe the various types of placentations found in flowering plants.

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