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4

Which one of the following statement is not correct?

A. Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther.

B. An actinomorphic flower can be dissected into two equal halves from any plane.

C. Superior ovary is found in hypogynous flowers.

D. When stamens are attached to the petals, they are epiphyllous as in brinjal.

Correct Answer :

D. When stamens are attached to the petals, they are epiphyllous as in brinjal.


When stamens are attached to the petals, they are epipetalous as in brinjal, or epiphyllous when attached to the perianth as in the flowers of lily.

Related Questions

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4

Which of the following option shows the correct labelling of the parts of leaf marked as A, B, C and D.
q4

A. A - Lamina, B - Axillary bud, C - Stipule, D - Leaf base

B. A - Lamina, B - Stipule, C - Axillary bud, D - Leaf base

C. A - Lamina, B - Axillary bud, C - Stipule, D - Pedicel

D. A - Leaflet, B - Axillary bud, C - Stipule, D - Leaf base

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4

Which one of the following statement is correct?

A. Bulb of Allium cepa is a modified stem.

B. Cloves of Allium sativum are fleshy scale leaves.

C. Corm of Colocasia is a modified root.

D. Tendril in Vitis vinifera is a modified axillary bud.

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4

Which of the following plants is growing in swampy areas, where many roots come out of the ground and grow vertically upwards?

A. Potato

B. Opuntia

C. Rhizophora

D. Grass

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4

Read the following statements and answer the question.
  1. It is the pattern of arrangement of leaves on the stem or branch.
  2. It is usually of three types - alternate, opposite and whorled.
  3. It is meant for getting maximum amount of light. statements?

A. Phyllotaxy

B. Venation

C. Inflorescencew

D. Aestivation

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4

The flower is the reproductive unit in the ___________ meant for ___________ reproduction.

A. angiosperms and sexual

B. gymnosperms and sexual

C. algae and asexual

D. pteridophytes and asexual

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4

A branch in which each node bearing a rossette of leaves and a tuft of roots is found in aquatic plants like _________ and _________.

A. Hydrilla and Pistia

B. Eichhornia and Hydrilla

C. Pistia and Eichhornia

D. Pistia and Vallisneria

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4

Which of the following is correct with reference to floral character of family solanaceae?

A. Racemose, zygomorphic, unisexual, floral characters

B. Racemose, zygomorphic, bisexual, polypetalous

C. Axillary, bisexual, actinomorphic, epipetalous

D. Axillary, actinomorphic, bisexual, epipetalous

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4

The X is small and situated in a groove at one end of the endosperm. It consists of one large and shield shaped cotyledon known as Y and a short axis with a plumule and a Z. Identify X, Y and Z.

A. X - Scutellum, Y - Embryo, Z - Radicle

B. X - Embryo, Y - Scutellum, Z - Radicle

C. X - Scutellum, Y - Radicle, Z - Embryo

D. X - Radicle, Y - Embryo, Z - Scutellum

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4

Identify the different types of aestivation (A, B, C and D) in corolla and select the correct option. 
q6

A. A-Valvate, B-Twisted, C-Imbricate, D-Vexillary

B. A-Vexillary, B-Valvate, C-Twisted, D-Imbricate

C. A-Imbricate, B-Vexillary, C-Valvate, D-Twisted

D. A-Twisted, B-Imbricate, C-Vexillary, D-Valvate

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4

Identify the correct families of the given plant species (A, B and C) 
q14

A. A - Liliaceae, B - Compositae, C - Malvaceae

B. A - Fabaceae, B - Solanaceae, C - Liliaceae

C. A - Compositae, B - Malvaceae, C - Liliaceae

D. A - Solanaceae, B - Fabaceae, C - Liliaceae

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4

During the post-fertilization period, the ovules develops into ___A____ and the ovary matures into a ___B ____.

A. A - seeds; B - fruit

B. A - fruit; B - seeds

C. A - flower; B - seed

D. A - seeds; B - flower

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4

In flower (X), the gynoecium occupies the highest position while the other parts are situated below it. The ovary in such flowers is said to be Y. Identify X and Y and select the correct option.

A. X - Epigynous, Y - Inferior

B. X - Perigynous, Y - Superior

C. X - Hypogynous, Y - Superior

D. X - Perigynous, Y - Half-inferior

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4

A - Which one of the option shows the correct labelling of the parts marked as A, B, C and D in a typical structure of dicotyledonous seeds ? 
q12

A. A - Hilum, B - Micropyle, C - Radicle, D - Cotyledon, E - Plumule

B. A - Hilum, B - Micropyle, C - Plumule, D - Cotyledon, E - Radicle

C. A - Micropyle, B - Hilum, C - Plumule, D - Cotyledon, E - Radicle

D. A - Hilum, B - Micropyle, C - Plumule, D - Radicle, E - Cotyledon

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4

The main purpose of phyllotaxy for the leaves is to provide sufficient_______.

A. soil

B. air

C. water

D. light

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4

Given figures (A, B and C) shows the position of floral parts on thalamus. (given as I, II and III) Select the correct combination.
q7

  1. Hypogynous flower

  2. Perigynous flower

  3. Epigynous flower

A. A-I, B-II, C-III

B. A-I, B-III, C-II

C. A-III, B-II, C-I

D. A-III, B-I, C-II

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4

Consider the following statements regarding the root system of angiosperms and choose the correct option given below.
  1. In monocots, the fibrous root system arises from the base of the stem.
  2. The region of elongation is called the root hair region.
  3. In sweet potato, the adventitious roots get swollen and store food.
  4. The stems of maize and sugarcane have supporting roots called prop roots.

A. (i) and (ii) are correct but (iii) and (iv) are wrong.

B. (ii) and (iii) are correct but (i) and (iv) are wrong.

C. (ii) and (iv) are correct but (i) and (iii) are wrong.

D. (i) and (iii) are correct but (ii) and (iv) are wrong.

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4

Most prominent function of inflorescence is

A. dispersal of seeds.

B. formation of more fruits.

C. formation of pollen grains.

D. dispersal of pollens.

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4

Which one of the following structure is not associated with gynoecium?

A. Ovary

B. Style

C. Stigma

D. Filament

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4

Read the following statements and answer the questions.
  1. Gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level.
  2. Ovary is half-inferior.
  3. Examples are plum, rose and peach.

Which condition of flowers is being described by the above statements ?

A. hypogyny

B. perigyny

C. epigyny

D. none of these

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4

Rearrange the following zones seen in the regions of root tip and choose the correct option.
(A) Root hair zone
(B) Zone of meristems
(C) Root cap zone
(D) Zone of maturation
(E) Zone of elongation

A. C, B, E, A, D

B. A, B, C, D, E

C. D, E, A, C, B

D. E, D, C, B, A

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4

Which one of the following characteristics is not related to gynoecium?

A. It is the female reproductive part of the flower.

B. It is composed of stamens.

C. Stigma is usually at the tip of the style and is the receptive surface for pollen grains.

D. Each ovary bears one or more ovules attached to a flattened, cushion like placenta.

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4

Match the column I with column II and choose the option which shows their correct match.
Column IColumn II
A. Placentation(i) Arrangement of flowers on the rachis
B. Aestivation(ii) Modified shoot for sexual reproduction
C. Inflorescence(iii) Arrangement of various whorls in the bud
D. Flower(iv) Arrangement of ovules within an ovary

A. A - (i), B - (ii), C - (iii), D - (iv)

B. A - (iii), B - (i), C - (ii), D - (iv)

C. A - (iii), B - (i), C - (iv), D - (ii)

D. A - (iv), B - (iii), C - (i), D - (ii)

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4

Which of the following is a modified stem for the protection of plants from browsing animals?

A. Tendrils

B. Thorns

C. Rhizome

D. Tuber

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4

Match column - I, II and III and choose the correct option. 
q1

A. A - V, t; B - II, s; C -I, r; D -III, q; E -IV, p

B. A - I, t; B - II, s; C - III, r; D - IV, p; E - V, q

C. A - V, p; B - II, s; C - I, q; D - III, r; E - IV, t

D. A - V, p; B - III, q; C - II, s; D - I, t; E - IV, r

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4

Match column I with column II and choose the correct option.
Column-IColumn-II
A. Bud in theI. Pitcher plant axil of leaf and venus fly trap
B. Outer layer ofII. Cacti seed coat
C. SpinesIII. Testa (modified leaves)
D. Leaves modifiedIV. Simple leaf to catch insects
E. Fleshy leavesV. Garlic and onion with stored food

A. A I, B II, C III, D IV, E V

B. A V, B IV, C III, D II, E I

C. A IV, B III, C II, D I, E V

D. A IV, B II, C III, D I, E V

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4

The given figures (A and B) shows the modificaiton of roots.Which of the following statements regarding the figures is correct ? 
q3

A. Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food.

B. Pneumatophores conducts water, minerals & photosynthesis

C. Pneumatophore is found in the plants that grow in sandy soil.

D. Turnip & carrot shows adventitious roots and sweet potato shows tap root.

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4

Which of the following is not the characteristic features of fabaceae?

A. Tap root system, compound leaves and raceme inflorescence.

B. Flowers actinomorphic, twisted aestivation and gamopetalous.

C. Stamens 10, introrse, basifixed, dithecous.

D. Monocarpellary, ovary superior and bent stigma.

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4

Stilt roots occur in __________ .

A. groundnut

B. rice

C. sugarcane

D. wheat

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4

Ginger is an underground stem. It is distinguished from root because

A. it lacks chlorophyll.

B. it stores food.

C. it has nodes and internodes.

D. it has xylem and vessels.

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4

Which type of function is performed by the fleshy leaves of onion and garlic?

A. Storage

B. Reproduction

C. Photosynthesis

D. Protection