List of top Biology Questions on Morphology of flowering plants asked in NEET (UG)

Given below are two statements:
Statement I: In a floral formula, \(\oplus\) stands for zygomorphic nature of the flower, and \( G \) stands for the interior ovary. 
Statement II: In a floral formula, \(\oplus\) stands for actinomorphic nature of the flower, and \( G \) stands for the superior ovary.
In light of the above statements, choose the correct answer from the options given below:

Which of the following examples show monocarpellary, unilocular ovary with many ovules?
A. Sesbania
B. Brinjal
C. Indigofera
D. Tobacco
E. Asparagus
Choose the correct answer from the options given below :
Match List-I with List-II :
List-IList-II
A. Vexillary aestivationI. Brinjal
B. Epipetalous stamensII. Peach
C. Epiphyllous stamensIII. Pea
D. Perigynous flowerIV. Lily
Choose the correct answer from the options given below
Which of the following is a nucleotide?
Given below are two statements: One labelled as Assertion A and the other labelled as Reason R:
Assertion A: In gymnosperms the pollen grains are released from the microsporangium and carried by air currents.
Reason R: Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed.
In the light of the above statements, choose the correct answer from the options given below:

Axile placentation is observed in

Family Fabaceae differs from Solanaceae and Liliaceae. With respect to the stamens, pick out the characteristics specific to family Fabaceae but not found in Solanaceae or Liliaceae.



Which part of the fruit, labelled in the given figure makes it a false fruit?

Identify the correct set of statements:

  1. The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
  2. Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
  3. Stem is flattened and fleshy on Opuntia and modified to perform the function of leaves
  4. Rhizophora shows vertically upward growing roots that help to get oxygen for respiration
  5. Subaerially growing stems in grasses and strawberry help in vegetative propagation

Choose the correct answer from the options given below:

The flowers are Zygomorphic in:

  1. Mustard
  2. Gulmohar
  3. Cassia
  4. Datura
  5. Chilli

Choose the correct answer from the options given below:

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

The site of perception of light in plants during photoperiodism is

In some members of which of the following pairs of families, pollen grains retain their viability for months after release

Match Column - I with Column - II.

Match Column - I with Column - II.
Select the correct answer from the options given below.

The roots that originate from the base of the stem are:
Bicarpellary ovary with obliquely placed septum is seen in :-
Following table summarises the comparisons between phyllodades and cladodes (cladophylls). Pick up the wrong differences and select the correct option,
Coconut fruit is a :
In Bougainvillea thorns are the modifications of :
Attractants and rewards are required for
Which of the following is not a stem modification?
Radial symmetry is found in the flowers of -
How many plants among Indigofera, Sesbania , Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers ?
Free central placentation is found in -
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?