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Which of the following is an example of pinnately compound leaf ?

A. Cucumber

B. Papaya

C. Cucurbita

D. Neem

Correct Answer :

D. Neem


Pinnate are feather like leaves. The segmentation of the leafblade is towards the mid-rib, so that the leaflets are borne laterally by midrib or rachis. Example, Neem.

Related Questions

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Fibrous root system is found in

A. monocotyledonous plants.

B. dicotyledonous plants.

C. bryophytes.

D. gymnosperms.

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The main function(s) of root system is/are

A. absorption of water and minerals from the soil

B. storing reserve food material

C. synthesis of plant growth regulators

D. All of the above

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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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Alternate type of phyllotaxy is found in

A. china rose

B. mustard

C. sunflower

D. all of these

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Roots develop from parts of the plant other than radicle are called

A. tap roots

B. fibrous roots

C. adventitious roots

D. nodular roots

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The mature seeds of plants such as gram and peas, possess no endosperm, because

A. these plants are not angiosperms.

B. there is no double fertilization in them.

C. endosperm is not formed in them.

D. endosperm gets used up by the developing embryo during seed development.

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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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Seeds are regarded as products of sexual reproduction because they

A. can be stored for long time.

B. are result of fusion of pollen tube.

C. are result of fusion of gametes.

D. give rise to new plants.

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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

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 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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The given figure shows the region of root tips with their region marked as A, B and C. Choose the option which shows the correct labelling of A, B and C. 
q2

A. A - Zone of elongation, B - Zone of meiosis, C - Zone of mitosis.

B. A - Zone of maturation, B - Zone of meristematic activity, C - Zone of elongation.

C. A - Zone of mitosis, B - Zone of elongation, C - Zone of root cap.

D. A - Region of maturation, B - Region of elongation, C - Zone of meristematic activity.

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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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Which part of plant is generally green when young and later often become woody and dark brown?

A. stem

B. seed

C. leaves

D. flower

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

A. Calyx is the outermost whorl of the flower and are called sepals.

B. Sepals are green, leaf like and protect the flower in the bud stage.

C. The calyx may be gamosepalous (sepals free) or polysepalous (sepals united).

D. Both (a) and (b)

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4

Stilt roots occur in __________ .

A. groundnut

B. rice

C. sugarcane

D. wheat

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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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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

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

Which of the following statement(s) is/are correct about venation?
(i) The arrangement of veins and the veinlets in the lamina of leaf is called venation.
(ii) Reticulate venation is the characteristic of monocots.
(iii) When the veinlets form a network, the venation is termed as reticulate venation.
(iv) When the veins run parallel to each other, within a lamina, the venation is termed as parallel venation.

A. Only (i)

B. Both (i) and (ii)

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

D. All of these

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

A. soil

B. air

C. water

D. light

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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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X is the outermost whorl of the flower and contains Y. Y is green, leaf like and protect the other whorls of the flower. Identify X and Y.

A. X - Calyx; Y - Sepals

B. X - Corolla; Y - Petals

C. X - Gynoecium; Y - Fruit

D. X - Androecium; Y - Ovary

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Fibrous root system is better adopted than tap root system for

A. transport of organic matter.

B. absorption of water and minerals.

C. storage of food.

D. anchorage of plant to soil.

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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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Which of the following part elongates directly and leads to the formation of primary roots?

A. bud

B. radicle

C. plumule

D. root hair

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

A. Storage

B. Reproduction

C. Photosynthesis

D. Protection

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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.