Tag: phanerogams

Questions Related to phanerogams

Identify the dicot from the following

  1. Mango

  2. Coconut

  3. Sugarcane

  4. Banana


Correct Option: A

Dicotyledons are characterised by presence of

  1. Tap root

  2. Adventitious roots

  3. Fibrous roots

  4. Epiphytic roots


Correct Option: A

What is exclusive for angiosperms?

  1. Vessels

  2. Secondary growth

  3. Double fertilisation

  4. Autotrophic nature


Correct Option: C

Greatest extent of adaptation to various environments is found in

  1. Gymnosperms

  2. Bryophytes

  3. Ferns

  4. Angiosperms


Correct Option: D

Which is not true of monocots?

  1. Parallel venation

  2. Single seed leaf

  3. Floral parts in multiples of $4 - 5$

  4. Adventitious roots


Correct Option: C

Which is not a monocot?

  1. Rose

  2. Palm

  3. Orchid

  4. Banana


Correct Option: A

Pick out the wrong statement.

  1. Double fertilization is unique to gymnosperms and monocotyledons

  2. Sequoia, a gymnosperm is one of the tallest trees

  3. Phaeophyceae members possess chlorophylls $a, c$, carotenoids and xanthophylls

  4. Moss is a gametophyte which consists of two stages, namely protonema stage and leafy stage

  5. Evolutionarily, pteridophytes are the first terrestrial plants to possess xylem and phloem


Correct Option: A

Occurrence of triploid $\left(3n\right)$ endosperm is characteristic feature of

  1. Algae

  2. Bryophyte

  3. Gymnosperms

  4. Angiosperms


Correct Option: D

Which is not true about monocots?

  1. Embryo has single cotyledon

  2. Leaves show parallel venation

  3. Flowers are generally trimerous

  4. Vascular bundles are conjoint, collateral and open


Correct Option: D

Consider the following statements with respect to angiosperms.
(a) Male sex organ in a flower is the stamen
(b) Anthers following mitosis produce pollen grains
(c) In an embryo sac, the primary endosperm nucleus (PEN) is diploid
(d) After double fertilization, ovules develop into seeds and ovaries into fruits
Of the above statements

  1. (c) and (d) are correct

  2. (a) and (b) are correct

  3. (a) and (c) are correct

  4. (a) and (d) are correct

  5. (b) and (c) are correct


Correct Option: D