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4

Which of the following groups of plants have underground stems?

A. Potato, ginger, turmeric, Euphorbia, zaminkand

B. Potato, ginger, turmeric, zaminkand, Colocasia

C. Potato, Citrus, Opuntia, zaminkand, Colocasia

D. Potato, cucumber, watermelon, zaminkand, Colocasia

Correct Answer :

B. Potato, ginger, turmeric, zaminkand, Colocasia


Underground stems are non green stems that may take part in perennation, store food or help in vegetative propagation. Underground stems of potato, ginger, turmeric, zaminkand, Colocasia are modified stem to store food in them.

Related Questions

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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 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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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

Which of the following statement (s) is/are not correct?
  1. Calyx and corolla are reproductive organs of a flower.
  2. Zygomorphic flower can be divided into two equal radial halves in any radial plane.
  3. Flowers without bracts are termed as bracteate.
  4. Parthenocarpic fruit is formed after fertilization of the ovary.
  5. In legumes, seed is non-endospermic.
  6. Radical buds develop on roots.

A. (i) , (ii), (iii) and (iv)

B. (i), (ii) and (v)

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

D. (iv), (v) and (i)

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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

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

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

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

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

The given figures (A & B) show two types of compound leaves. Choose the option which identity the correct compound leaf and their example (c).
q8

A. A - Pinnately compound leaf, C - Neem

B. A - Palmately compound leaf, C - Neem

C. B- Pinnately compound leaf, C - Silk cotton

D. B- Palmately compound leaf, C - Silk cotton

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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

Cotyledons and testa respectively are edible parts in which of the following group?

A. walnut and tamarind

B. cashew nut and litchi

C. french bean and coconut

D. groundnut and pomegranate

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4

In which of the following plants, a slender lateral branch arises from the base of the main axis and after growing aerially arch downwards to touch the ground?

A. Mint and jasmine

B. Banana and pineapple

C. Grass and stawberry

D. Pistia and Eichhornia

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4

When a flower has both androecium and gynoecium, it is known as__________.

A. asexual

B. bisexual

C. unisexual

D. multisexual

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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

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

Fibrous roots develop in maize from

A. upper nodes

B. lower nodes

C. upper internodes

D. none of these

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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

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

Root hairs develop from

A. region of maturation

B. region of elongation

C. region of meristematic activity

D. root cap

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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

The given figure shows the parts of mango and coconut. Choose the option which shows the correct labelling of A, B, C and D marked in the figures. 
q11

A. A - Epicarp, B - Mesocarp, C - Seed, D - Endocarp

B. A - Epicarp, B - Mesocarp, C - Ovule, D - Endocarp

C. A - Epicarp, B - Mesocarp, C - Ovary, D - Endocarp

D. A - Epicarp, B - Mesocarp, C - Embryo, D - Endocarp

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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

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

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

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

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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

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