Plant Structure MCQs with Answers

Group of sporangia is called ?

• A.Sori
• B.Sporophyll
• C.Sporophyte
• D.Spore mother cell

Which tree has aerial roots?

• A.Neem tree
• B.Coconut tree
• C.Peepal tree
• D.Banyan tree

A chemical messenger from the embryo that apparently stimulates a seed to digest the endosperm is _?

• A.Cytokinin
• B.Gibberellin
• C.Auxin
• D.Ethylene

Grafting is a technique of combining two plants. It uses the roots and the bottom portion of one plant attached to the top portion of another plant that is known as _?

• A.Scion
• B.Bud
• C.Root Stock
• D.Cambium

The process of movement of water through a plant from roots to leaves is primarily driven by?

• A.Active transport
• B.Osmosis
• C.Gravity
• D.Capillary action

Loss of internal water of plant in the form of vapours from aerial parts of plants is called?

• A.Condensation
• B.Evaporation
• C.Guttation
• D.Transpiration

Eyes on potato tubers are:

• A.Nodes with buds
• B.Root hairs
• C.Modified leaves
• D.Lenticels

Perisperm is ?

• A.Outer layer of the fruit
• B.Persistent nucellus in the seed
• C.Stored food in the endosperm
• D.Embryonic shoot of the seed

Root hair is long, thin and tubular structure, it increases surface area which increases the _?

• A.Rate of respiration
• B.Rate of photosynthesis
• C.Rate of transpiration
• D.Rate of absorption of water

Fruit plants are mostly pollinated by _?

• A.Wind
• B.Water
• C.Animals
• D.Self-pollination