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What is the correct answer?

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

Correct Answer :

C. Only (ii)


Fruit is a mature or ripened ovary, developed after fertilization. When pericarp is thick and fleshy, it is differentiated into outer epicarp, middle mesocarp and inner endocarp. In mango and coconut, the fruit is known as a drupe.

Related Questions

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4

Alternate type of phyllotaxy is found in

A. china rose

B. mustard

C. sunflower

D. all of these

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4

Stilt roots occur in __________ .

A. groundnut

B. rice

C. sugarcane

D. wheat

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4

Identify the inflorescence shown by the given figures A and B. 
q5

A. A-Cymose, B-Racemose

B. A-Racemose, B-Cymose

C. A-Racemose, B-Racemose

D. A-Cymose, B-Cymose

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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

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

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

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

A. Cucumber

B. Papaya

C. Cucurbita

D. Neem

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4

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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4

A sterile stamen is known as

A. staminode

B. anther

C. pollen grain

D. filament

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4

Fibrous roots develop in maize from

A. upper nodes

B. lower nodes

C. upper internodes

D. none of these

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4

The region of the root-tip which is involved in the formation of root hairs by epidermal cells is called the

A. region of maturation.

B. region of meristematic activity.

C. region of elongation.

D. none of the above.

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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

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

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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4

Study the following statements and select the correct option
  1. Buds are present in axil of leaflets of the compound leaf.
  2. Pulvinus leaf-base is present in some leguminous plants.
  3. In Alstonia, the petioles expand, become green and synthesize food.
  4. Opposite phyllotaxy is seen in guava.

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

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

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

D. (ii), (iii) and (iv) are correct but (i) is incorrect.

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4

Which is not a stem modification ?

A. Rhizome of ginger

B. Corm of Colocasia

C. Pitcher of Nepenthes

D. Tuber of potato

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4

The region of the stem where leaves are born are called ____________ while ____________ are the portions between two ____________.

A. nodes, nodes and internodes

B. nodes, internodes and nodes

C. internodes, nodes and nodes

D. internodes, internodes and nodes

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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

How many plants in the list given below have marginal placentation?
  1. Mustard
  2. Gram
  3. Tulip
  4. Asparagus
  5. Arhar
  6. Sunhemp
  7. Chilli
  8. Colchicine
  9. Onion
  10. Moong
  11. Pea
  12. Tobacco
  13. Lupin

A. Four

B. Five

C. Six

D. Three

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4

Pollen grains are produced within _________of stamen.

A. ovary

B. anther

C. filament

D. connective

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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

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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

Pneumatophores are found in

A. the vegetation which is found in marshy and saline lake.

B. the vegetation which found in saline soil.

C. xerophytic condition.

D. hydrophytic condition.

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4

The region of the root-tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the

A. region of maturation.

B. region of elongation.

C. region of meristematic activity.

D. root-hairs.

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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

It is a proteinous layer and the outer covering of endosperm which separates the embryo. Identify the layer.

A. Tegmen

B. Scutellum

C. Hyaline layer

D. Aleurone layer

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4

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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4

Identify the kind of phyllotaxy shown in the given figures A, B, and C. 
q9

A. A-Alternate, B - Opposite, C - Whorled

B. A- Whorled, B - Opposite, C -Alternate

C. A-Alternate, B - Whorled, C - Opposite

D. A-Whorled, B -Alternate, C - Opposite

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4

Prop roots of banyan tree are meant for

A. respiration.

B. absorption of water from soil.

C. providing support to big tree.

D. all of the above.

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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