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4

Statement 1 : A simple leaf has undivided lamina.
Statement 2 : Leaves showing pinnate and palmate venations have various type of incisions.

A. Statement-1 and statement-2 are true and statement-2 is a correct explanation for statement -1.

B. Statement -1 and statement -2 are true but statement-2 is not a correct explanation for statement-1.

C. Statement-1 is true and statement-2 is false.

D. Both the statements are false.

Correct Answer :

B. Statement -1 and statement -2 are true but statement-2 is not a correct explanation for statement-1.


A leaf having a single or undivided lamina is called simple leaf. The lamina can have different types of incisions, which may reach upto half (-fid), more than half (-partite) or near the base or midrib (-sect). Depending upon the pinnate or palmate venation, the incisions are known as pinnatifid, palmatifid, pinnatipartite, palmatipartite, pinnatisect and palmatisect etc.

Related Questions

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4

Which of the following is the green expanded part of leaf with vein and veinlets?

A. Petiole

B. Node

C. Stipule

D. Lamina

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4

Stem tendrils are found in

A. cucumber

B. pumpkins

C. grapevines

D. all of these

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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

When a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is known as

A. actinomorphic

B. zygomorphic

C. asymmetric

D. bisymmetric

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4

The given figure (A, B, and C) shows different types of roots. Identify the root which is seen in wheat plant and originate from the base of the stem? 
q15

A. A

B. B

C. C

D. Both A and B

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4

Match column-I with column-II and choose the option which shows their correct combination.
Column-IColumn-II
A. GamosepalousI. Flower of lily
B. PolysepalousII. Sterile anther
C. GamopetalousIII. Free petals
D. PolypetalousIV. Free sepals
E. EpiphyllousV. Fused petals
F. StaminodeVI. Fused sepals

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

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

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

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

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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

Floral features are chiefly used in angiosperms identification because

A. flowers are of various colours.

B. flowers can be safely pressed.

C. reproductive parts are more stable and conservative than vegetative parts.

D. flowers are good materials for identification.

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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

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 part of the root which is most active in water absorption is called

A. root cap

B. maturation zone

C. meristematic zone

D. zone of elongation

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4

The primary roots and its branches constitute the

A. fibrous root system.

B. tap root system.

C. adventitious root system.

D. all of the above

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4

Matching colmun I with column II and choose the correct option.
Column IColumn II
A. ColeorhizaI. Grapes
B. Food storing tissueII. Mango
C. Parthenocarpic fruitIII. Maize
D. Single seeded fruitIV. Radicle developing from monocarpellary superior ovary
E. MembranousV. Endosperm seed coat

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

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

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

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

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4

Main function of leaf is

A. exchange of gases

B. increase the beauty of a tree

C. manufacturing of food

D. nerve impulse induction

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4

Aleurone layer helps in

A. storage of food in endosperm.

B. protection of embryo.

C. utilization of stored food.

D. all of the above.

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4

Match the following stem modifications given in column I with their examples given in column II and select the correct combination from the options given below.
(Stem Modifications)(Found in)
A. Underground stemI. Euphorbia
B. Stem tendrilII. Opuntia
C. Stem thornsIII. Potato
D. Flattened stemIV. Citrus
E. Fleshy cylindrical stemV. Cucumber

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

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

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

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

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4

Statement-1 : Ginger has a prostrate-growing rhizome.
Statement-2 : Shoot growth is not effected by gravity.

A. Statement-1 and statement-2 are true and Statement-2 is a correct explanation for statement-1.

B. Statement-1 and statement-2 are true but statement-2 is a correct explanation for statement-1.

C. Statement-1 is true and statement-2 is false.

D. Both the statements are false.

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4

Match the column-I containing types of aestivation with their examples given in column-II and choose the correct option.
Column - IColumn-II
(Type of aestivation)(Examples)
A. ValvateI. Cotton
B. TwistedII. Calotropis
C. ImbricateIII. Bean
D. VexillaryIV. Gulmohar

A. A I; B II; C IV; D III

B. A II; B I; C IV; D III

C. A II; B IV; C I; D III

D. A II; B I; C III; D IV

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4

Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons.

A. reticulate and parallel

B. parallel and reticulate

C. reticulate and perpendicular

D. obliquely and parallel

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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

Which of the following statement(s) is/are correct about the fruit?
  1. Fruit is a mature or ripened ovary, developed before fertilization.
  2. It consists of a wall or pericarp and seeds.
  3. When pericarp is thick and fleshy, it is differentiated into outer mesocarp, middle epicarp and the inner endocarp.
  4. In mango and coconut, the fruit is known as a berry.

A. Only (i)

B. Both (ii) and (iii)

C. Only (ii)

D. All 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

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

Fibrous root system is found in

A. monocotyledonous plants.

B. dicotyledonous plants.

C. bryophytes.

D. gymnosperms.

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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.

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4

Which of the following statements are correct?
  1. From the region of elongation, some of the epidermal cells form root hairs.
  2. Pneumatophores are seen in Rhizophora.
  3. Adventitious roots are seen in the banyan tree.
  4. Maize and sugarcane have prop roots.

A. (i) and (iv)

B. (i), (iii) and (iv)

C. (iii) and (iv)

D. (ii) and (iii)

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4

Match column I with column II and choose the correct combination from the options given below.
(Position of floral parts on thalamus)(Represented in)
A. HypogynousI. Ray florets of sunflower
B. PerigynousII. Brinjal
C EpigynousIII Peach

A. A II, B I, C III

B. A I, B II, C III

C. A III, B II, C I

D. A II, B III, C I

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4

Which of the following statement(s) is /are correct?
  1. Many plants belong to family fabaceae are good ornamentals (Tulip, Gloriosa), source of medicine (Aloe) and vegetables (Asparagus).
  2. The plumule and radicle are enclosed in sheaths which are called coleorhiza and coleoptile respectively.
  3. A flower having either only stamens or only carpels is unisexual.
  4. Basal, alternate, linear, exstipulate with parallel venation types of leaves is found in the family liliaceae.

A. Only (i)

B. Both (i) and (ii)

C. Both (iii) and (iv)

D. All of these

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4

The given figure shows a typical structure of monocotyledonous seeds. Identify A, B, C, D and E parts marked in the given figures. 
q13

A. A - Endosperm, B - Embryo, C - Scutellum, D - Coleorhiza, E - Coleoptile

B. A- Embryo, B - Endosperm, C - Scutellum, D - Coleoptile, E - Coleorhiza

C. A - Endosperm, B - Embryo, C - Scutellum, D - Coleoptile, E - Coleorhiza

D. A - Embryo, B - Endosperm, C - Scutellum, D - Coleorhiza, E - Coleoptile