Every question from past board papers on Flower, fruit and seed, newest paper first. Open any question for its full worked answer.
Given below are two statements :
Statement I : In a floral formula ⊕ stands for zygomorphic nature of the flower, and G (underlined) stands for inferior ovary.
Statement II : In a floral formula ⊕ stands for actinomorphic nature of the flower and G (underlined) stands for superior ovary.
In the light of the above statements, choose the correct answer from the options given below :
In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called :
Match List I with List II :
List I: A. Scutellum B. Non-albuminous seed C. Epiblast D. Perisperm
List II: I. Persistent nucellus II. Cotyledon of Monocot seed III. Groundnut IV. Rudimentary cotyledon
Choose the option with all correct matches.
Which of the following is an example of a zygomorphic flower?
Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b)
Identify the part of the seed from the given figure which is destined to form root when the seed germinates.
Which of the following is an example of actinomorphic flower?
Match List I with List II
List I (Types of Stamens): A. Monoadelphous; B. Diadelphous; C. Polyadelphous; D. Epiphyllous
List II (Example): I. Citrus; II. Pea; III. Lily; IV. China-rose
Choose the correct answer from the options given below:
Match List I with List II
List I: A. Rose; B. Pea; C. Cotton; D. Mango
List II: I. Twisted aestivation; II. Perigynous flower; III. Drupe; IV. Marginal placentation
Choose the correct answer from the options given below:
Axile placentation is observed in
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R :
Assertion A : A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem.
Reason R : Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves.
In the light of the above statements, choose the correct answer from the options given below :
Which part of the fruit, labelled in the given figure makes it a false fruit ?
The ovary is half inferior in :
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
The morphological nature of the edible part of coconut is :
Coconut fruit is a :
The standard petal of a papilionaceous corolla is also called :
Tricarpellary, syncarpous gynoecium is found in flowers of :
Proximal end of the filament of stamen is attached to the :
Cotyledon of maize grain is called :
Match Column—I with Column—II and select the correct option using the codes given below :
Column—I: a. Pistils fused together; b. Formation of gametes; c. Hyphae of higher Ascomycetes; d. Unisexual female flower
Column—II: (i) Gametogenesis; (ii) Pistillate; (iii) Syncarpous; (iv) Dikaryotic
Codes: a b c d
The term 'polyadelphous' is related to
How many plants among *Indigofera*, *Sesbania*, *Salvia*, *Allium*, *Aloe*, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
Radial symmetry is found in the flowers of
Free-central placentation is found in
