EASY
Earn 100

Give examples of mesogamy.

Important Questions on Structural Organisation in Plants

MEDIUM
Among the members of the list given below, how many plants have superior ovaries?

China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip.
EASY
The standard petal of the papilionaceous corolla is also called:
EASY
What is the fate of the male gametes discharged in the synergid?
MEDIUM
Identify the respective formula of the gynoecium from which fruits like Berry, Pepo, Hesperidium and Pome are developed
EASY
Pollination in water hyacinth and water lily is brought about by the agency of:
EASY
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
MEDIUM

Study the following lists. Match the floral parts given in List - I with the corresponding symbols, in List - II

   List - I     List - II
(a) Calyx (i)
(b) Ovary superior (ii) %
(c) Actinomorphic (iii) C
(d) Zygomorphic (iv) K
    (v) G

The correct answer is

EASY
Dichogamy and herkogamy are the important devices or modifications to prevent one of the following:
HARD

Ovaries of four different plants A,B,C and D show variation in the position of ovules as stated below
A) On central axis without septa
B) On the inner wall of ovary
C) On the ridge along the ventral suture
D) At the base of the ovary

Identify the A,B,C and D plants respectively

HARD

Match the following lists:

  List I   List II
A) Branches of limited growth modified for photosynthesis I) Cashew
B) The peduncle is branched with one branch each time II) Asparagus
C) Multicarpellary, syncarpous unilocular ovary, stony pericarp III) Hamelia
D) Placenta is axial and ovules are attached to multilocular ovary IV) Colocasia
    V) Lemon

 

EASY
An angiosperm was identified with its endosperm of 6n. Assuming that this is a self-pollinating species, which one of the following is the correct ploidy of the parent?