Morphology of flowering plants practice · Mixed difficulty

Find odd one w.r.t. modification of stem

Statement I: Petiole of Nepenthes help in photosynthesis and climbing.

Statement II: Lower part of the Petiole is modified to phyllode and upper part is tendrillar in Nepenthes.

A fibrous root system is excellent for

Roots are modified to perform physiological function in?

Each carpel of Gloriosa encloses 60 ovules, out
of which 27% became abortive and another
13% could not be fertilized due to various
reasons. How many seeds occur in the capsule
if all the remaining ovules are fertilized in the
lone flower of the plant?

I. In dicotyledonous seeds, cotyledons are often fleshy and full of reserve food II. Generally, monocotyledonous seeds are endospermic III. Generally, dicotyledonous seeds are non-endospermic IV. Most of the monocotyledonous seeds have fleshy cotyledons. Select the correct statements

How many of the following statements are correct?
a. In mustard, the primary roots and its branches constitute the tap root system.
b. Cells proximal to regions of elongation which contain differentiated cells possess root hairs.
c. In turnip, roots modify to get oxygen for respiration.
d. In Chrysanthemum, a lateral branch with short nodes and each internode bearing a rosette of leaves and a tuft of root is found.

Statement I : Belladonna, ashwagandha and Muliathi are medicinal plant and they belong to family fabaceae.

Statement II : Petunia is the ornamental plant and belong to family solanacea.

In the light of the above statements, choose the correct answer from the options given below:

Study the following statements and choose the correct option I.Buds are present in the axil of leaflets of the compound leaf II.Pulvinus leaf-base is present in some leguminous plants. III.In Alstonia, the petioles expand, become green and synthesize food IV.Opposite phyllotaxy is seen in guava

Angiosperms differ from gymnosperms in

The stem is the …A… part of the axis bears branches, leaves, flowers and fruits. It develops from the …B… part of embryo of germinating seeds. Complete the given statement by choosing appropriate options for A and B

In a flowering plant, archesporium gives rise to

Select the incorrect statement(s) from the following:

(a) Citrus and Ricinus have synandrous condition.

(b) In epipetalous condition, the cohesion occurs between tepal and filament of stamen.

(c) Tetradynamous condition consists of two long and four short stamen filaments.

A pome fruit is said to be false because

Assertion (A) :Leaf are converted into tendril for climbing as in pea or into spines for defence as in cacti.

Reason (R) : In compound leaf incisions of the lamina reach upto the midrib breaking into a number of leaflet.

In the light of the above statements, choose the correct answer from the options given below:

Which one of the following families shoes both freedom and fusion in four successive whorls of the flower from exterior in different members?

The leaves in Utricularia plant are modified into

Petiole

Assertion (A) Root cap protects the root meristem from the
friction of the soil and its outer cells are continuously
replaced by newer ones
Reason (R) Effect of the soil friction damages the outer
cells of root cap, which are peeled off and replaced by new
cells produced by root meristem.

Insectivore plants such as pitcher plant, venus fly trap have

Parthenogenesis is observed in all except

Which one of the following statements are true? I.If the stem is joined with solid nodes and hollow internodes, it is called caudex. II.In Tridax, the stem is decumbent. III.Corm is a condensed from of rhizome growing more or less in vertical direction. IV.Sucker is an underground modification of stem. V.Biparous type of cymose branching is seen in Saraca.

Arrangements of veins and the veinlets in the lamina of leaf is termed as

Onion is an example for

Identify from the following plant parts, the major contributors to human food?

Aggregate fruit develops from

Which of the following statement(s) is/are correct about the fruit?

(i) Fruit is a mature or ripened ovule, developed before fertilization.

(ii) It consists of a wall or pericarp and seeds.

(iii) When pericarp is thick and dry, it is differentiated into outer mesocarp, middle epicarp and inner endocarp.

Which one of the following floral characters, is shared by Ruscus and ray florets of Tridax?

Which of the following modification is different than other three :

Flower is always solitary when