Plant Structure MCQs with Answers

In plant tissue culture, what does the term organogenesis mean?

• A.Formation of root and shoot from callus culture
• B.Formation of callus from explant tissue
• C.Direct formation of somatic embryos
• D.Multiplication of cells in suspension culture

Synchronization of reproductive behavior of plants with their environment is done by _?

• A.Photoperiodism only
• B.Vernalization only
• C.Both Photoperiodism and Vernalization
• D.None of these

Seeds can best be preserved in ?

• A.Cool and dry conditions
• B.Hot and humid conditions
• C.Cold and wet conditions
• D.Warm and moist conditions

Which one of the following plants undergoes self-pollination?

• A.Rose
• B.Papaya
• C.Date Palm
• D.Mulberry

Leaves contain thin veins to transport _?

• A.Water only
• B.Minerals
• C.Oxygen
• D.Carbon dioxide

In which kind of asexual reproduction branches of plants are buried in the soil for growing a new plant?

• A.Cutting
• B.Grafting
• C.Layering
• D.Tissue culture

Water enters the root hair by ?

• A.Osmosis
• B.Diffusion
• C.Active transport
• D.Imbibition

What is the main component/constituent of the cell wall that supports the plant cell and gives it a regular shape?

• A.Chitin
• B.Cellulose
• C.Pectin
• D.Lignin

In family Mimosaceae, the placentation is _?

• A.Marginal
• B.Basal
• C.Axile
• D.Parietal

Past Paper MCQ

Which of the following is the green part of flower?

• A.Sepal
• B.Petal
• C.Stamen
• D.Pistil