Tag: flowers and fruits

Questions Related to flowers and fruits

Gymnosperms are naked seeded plants because

  1. There is no fruit

  2. There is no ovule

  3. There is no fertilization

  4. There is no ovary and fruit


Correct Option: D

A plant producing seeds but lacking flowers is

  1. Gymnosperm

  2. Pteridophyte

  3. Angiosperm

  4. Bryophyte


Correct Option: A

Which is not a feature of gymnosperms?

  1. Parallel venation

  2. Perennial nature

  3. Dimorphic branches

  4. Xylem with vessels


Correct Option: D

Gymnosperms are called naked seed plants because they lack

  1. Cotyledons

  2. Endosperm

  3. Tests

  4. Ovary wall


Correct Option: D

Pollen chambers present in gymnosperms represents

  1. Microsporangium

  2. Pollen grain cell where sperms are formed

  3. Opening of megagametophyte for passage of pollen tube to egg

  4. Cavity in nucellus for resting pollen grains after pollination


Correct Option: D

Consider the following statements regarding gymnosperms and choose the correct option.
(a) In gymnosperms the male and the female gametophytes have an independent existence
(b) The multicellular female gametophyte is retained within megasporangium
(c) The gymnosperms are heterosporous. Of these statements

  1. b and c are true but a is false

  2. a and b are true but c is false

  3. a and c are true but b is false

  4. b and c are false but a is true

  5. a and c are false but b is true


Correct Option: A

Oldest gymnospermous tree is

  1. Taxodium mucronatum

  2. Pinus longavaea

  3. Zamia pygmia

  4. Sequoia sempervirens


Correct Option: B

Lower vascular plants which produce seeds but not fruits belong to

  1. Bryophyta

  2. Pteridophyta

  3. Gymnosperms

  4. Euglenophyta


Correct Option: C

Which is a character of gymnospermous wood?

  1. Porous

  2. Ring porous

  3. Diffused porous

  4. Non-porous


Correct Option: D

Which of the following is a character of gymnospermous wood?

  1. Porous

  2. Diffused porous

  3. Ring porous

  4. Non-porous


Correct Option: D