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Test: Plant Morphology - NEET MCQ


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45 Questions MCQ Test Biology Class 11 - Test: Plant Morphology

Test: Plant Morphology for NEET 2024 is part of Biology Class 11 preparation. The Test: Plant Morphology questions and answers have been prepared according to the NEET exam syllabus.The Test: Plant Morphology MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Plant Morphology below.
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Test: Plant Morphology - Question 1

Roots developing from plant parts other than radicle are -

Detailed Solution for Test: Plant Morphology - Question 1

Roots developing from plant parts other than radicle are adventitious roots because adventitious means coming from outside. That means they develop in places other than their natural position. They may arise from stems, leaves etc. Example: oak trees
So, the correct option is 'Adventitious'.

Test: Plant Morphology - Question 2

Radish is an example of - 

Detailed Solution for Test: Plant Morphology - Question 2

Radish is an example of fusiform tap root. The edible part of radish is a modified tap root. In a plant with a taproot system, the taproot is the central and dominant root. Typically, a taproot is straight and very thick. It is tapering in shape and grows directly downward. There are different types of modified tap roots like fusiform, napiform, conical, tuberous roots. Fusiform root is swollen at the middle and tapers gradually at both the ends forming a spindle shaped structure.

Therefore, the correct answer is option A.

Test: Plant Morphology - Question 3

The edible part of turnip is - 

Detailed Solution for Test: Plant Morphology - Question 3

The edible part of turnip is a modified tap root. Tap roots are modified into various structures called as modified tap root. These modified structures does food storage. The type of modified tap roots are fusiform, napiform, conical, tuberous, pneumatophores. The edible part of turnip is fusiform tap root, where the primary root of the system is swollen at the middle and tapers gradually at both the ends forming a spindle shaped structure. 

Test: Plant Morphology - Question 4

Which is an offset- 

Detailed Solution for Test: Plant Morphology - Question 4

Eichhornia crassipes, commonly known as common water hyacinth, is an aquatic plant native to the Amazon basin, and is often a highly problematic invasive species outside its native range.

Test: Plant Morphology - Question 5

A plant with parallel venation is - 

Detailed Solution for Test: Plant Morphology - Question 5

Parallel venation means the veins present in the leaves are arranged parallel to each other . Monocot plant show parallel venation . Monocot plant such as grasses, palm trees, lillies, orchids, bananas are the examples of plant which shows parallel venation.

Test: Plant Morphology - Question 6

Pedicellate flowers arising from a single point form –

Detailed Solution for Test: Plant Morphology - Question 6

Umbel is a type of of Racemose inflorescence in which the main axis is reduced and is shortened. All the flowers appear to arise from a single point.

Test: Plant Morphology - Question 7

An edible inflorescence is -

Detailed Solution for Test: Plant Morphology - Question 7

Cauliflower is one of several vegetables in the species Brassica oleracea in the genus Brassica, which is in the family Brassicaceae.The cauliflower head is composed of a white inflorescence meristem. Cauliflower heads resemble those in broccoli, which differs in having flower buds as the edible portion.

Test: Plant Morphology - Question 8

Prop roots of Banyan tree are meant for

Detailed Solution for Test: Plant Morphology - Question 8
  • Prop roots are specialized adventitious roots that develop from the branches of a tree and grow downwards towards the ground.
  • They are a unique feature of the banyan tree, which is a type of fig tree (Ficus species).
  • Prop roots arise from the aerial branches of the banyan tree and eventually reach the ground, where they penetrate the soil and provide additional support to the tree.
Test: Plant Morphology - Question 9

Function of stem is - 

Detailed Solution for Test: Plant Morphology - Question 9

• The function of the stem is to bear leaves and branches.
• It also helps in the conduction of water and minerals and also helps in the conduction of food storage.
• The chief functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be changed into usable products by photosynthesis; and to deliver these products from the leaves to other parts of the plant, containing the roots.

Test: Plant Morphology - Question 10

Main function of leaf is - 

Detailed Solution for Test: Plant Morphology - Question 10

Leaves are appendages present in green plants.
They contain a pigment called chlorophyll which is necessary for photosynthesis. This photosynthetic reaction takes place in the leaves and results in the production of carbohydrates (food).
The lower surface of leaves has many small openings known as stomata. These pores help the  plant in the exchange of gasses with their surroundings.
Therefore it can be inferred that both the manufacture of food and exchange of gasses takes place through leaves.

Test: Plant Morphology - Question 11

Occurance of different types of leaves on the same plant is - 

Detailed Solution for Test: Plant Morphology - Question 11

A special case of plasticity is represented by heterophylly, the ability of semi-aquatic plants to produce different types of leaves below and above water. Submerged leaves are thin and lack both a cuticle and stomata, whereas aerial leaves are thicker, cutinized and bear stomata.

Test: Plant Morphology - Question 12

Cyathium inflorescence is found in - 

Detailed Solution for Test: Plant Morphology - Question 12

A cyathium (plural: cyathia) is one of the specialised pseudanthia ("false flowers") forming the inflorescence of plants in the genus Euphorbia (Euphorbiaceae). A cyathium consists of: Five (rarely four) bracteoles. These are small, united bracts, which form a cup-like involucre.

Test: Plant Morphology - Question 13

Which one of the following is of related type - 

Detailed Solution for Test: Plant Morphology - Question 13

 In the first option, catkin is a type of inflorescence but hypanthodium is depicting a part of a flower.
In the second option, raceme and cyathium both are types of inflorescence but are different.
In the fourth option, verticillaster is a mixed type of inflorescence and spike is separate type than it.
But correctly related are corymb and umbel, in these both are closely related type of inflorescence like both are a type of racemose inflorescence.
 

Test: Plant Morphology - Question 14

In Geranium the seeds are dispersed by –

Detailed Solution for Test: Plant Morphology - Question 14

As the fruits dry, stresses develop within the awns, causing them to separate abruptly and flinging the seeds some distance away from the parent plant (explosive dispersal). Finally, we used the model to explore two fundamental tradeoffs in the Erodium-type dispersal mechanism.

Test: Plant Morphology - Question 15

Didynamous condition is related to

Detailed Solution for Test: Plant Morphology - Question 15

The stamen is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium.

Test: Plant Morphology - Question 16

The floral organs arise from - 

Detailed Solution for Test: Plant Morphology - Question 16
  • In the context of flowering plants, the term "mother axis" refers to the main axis or stem from which flowers arise.
  • The floral organs, which include sepals, petals, stamens, and pistils, are specialized structures that make up the flower.
  • These floral organs arise from specific regions or nodes along the mother axis, which is also known as the floral axis.
Test: Plant Morphology - Question 17

If the filaments are fused in a single group the condition is - 

Detailed Solution for Test: Plant Morphology - Question 17

Related to stamens whose filaments are united into a single tubelike group. The stamens of flowers of leguminous plants are often monadelphous.

Test: Plant Morphology - Question 18

A typical flower with superior ovary and other floral parts inferior is - 

Detailed Solution for Test: Plant Morphology - Question 18

A typical flower with superior ovary and other floral parts inferior is hypogynous. A superior ovary is an ovary attached to the receptacle above the attachment of other floral parts. A superior ovary is found in types of fleshy fruits such as true berries, drupes, etc. A flower with this arrangement is described as hypogynous. 
Therefore, the correct answer is option B.

Test: Plant Morphology - Question 19

Pappus is modification of - 

Detailed Solution for Test: Plant Morphology - Question 19

The term "pappus" refers to a modification of the calyx, which is the outermost whorl of floral organs that typically protects the developing flower bud. The calyx is usually green and consists of sepals, which are often fused together.

Test: Plant Morphology - Question 20

A characteristic of angiosperm is - 

Detailed Solution for Test: Plant Morphology - Question 20

Angiosperms have much smaller female reproductive parts, allowing them to produce seeds more quickly. Angiosperms have carpels that enclose developing seeds that may turn into a fruit. A great advantage for angiosperms is the production of endosperm.

Test: Plant Morphology - Question 21

Basifixed anther is attached to filament-  

Detailed Solution for Test: Plant Morphology - Question 21

The anther can be attached to the filament's connective in two ways. One is basifixed, in which an anther is attached from its base to the filament and another one is dorsifixed, in which anther is attached at its center to the filament. Also, an anther whose attachment is middle so that it can swing freely is called as versatile anther.

Test: Plant Morphology - Question 22

Adhesion in a flower is - 

Detailed Solution for Test: Plant Morphology - Question 22

Adhesion:- 

It is the physical phenomena. In this phenomena molecules of different matter attract each other.

E.g. Forces between the water molecules and glass molecules.

Test: Plant Morphology - Question 23

Cruciform corolla is found in - 

Detailed Solution for Test: Plant Morphology - Question 23

Cruciform corolla is a type of polypetalous corolla in which the four free petals are equal and  arranged in the form of a cross. It is a regular corolla and is characteristics of the family Brassicaceae. Hence cruciform corolla is found in radish.

Test: Plant Morphology - Question 24

Axis between corolla and androecium is - 

Detailed Solution for Test: Plant Morphology - Question 24

The axis or the internode that elongates between the corolla and androecium is called androphore. It is also called as gynandrophore. Anthophore is present between calyx and corolla. Gynophore is present between androecium and gynoecium.

Test: Plant Morphology - Question 25

The side of a flower facing the mother axis is called - 

Detailed Solution for Test: Plant Morphology - Question 25

The branch bearing flower is called as the mother axis. The side of the flower facing it is called as posterior side. Therefore, option B is correct.

Test: Plant Morphology - Question 26

Which of the following are schizocarpic fruits- 

Detailed Solution for Test: Plant Morphology - Question 26

Carcerulus and lomentum are schizocarpic fruits.
Lomentum is a simple, dry, schizocarpic fruit. The fruit is constricted or partitioned between seeds into a number of one-seeded compartments. The fruit breaks into one seeded indehiscent segments, e.g., Mimosa pudica, Acacia.
A carcerulus is a dry fruit that is a type of schizocarp. It consists of a number of one-seeded fragments (mericarps) that adhere to a central axis. 
Thus, the correct answer is option D.

Test: Plant Morphology - Question 27

Siliqua is the fruit of - 

Detailed Solution for Test: Plant Morphology - Question 27

The typical fruit of the mustard family i.e. brassicaceae is called a silique. Flowers of the mustard family typically have four petals, four sepals and six stamens.
A silique is a type of fruit having two fused carpels with the length being more than three times the width. When the length is less than three times the width of the dried fruit it is referred to as a silicle.
 

Test: Plant Morphology - Question 28

Which of the following plants produces edible root - 

Detailed Solution for Test: Plant Morphology - Question 28

Raphanus sativus (radish) is an annual or biennial plant in the mustard family. It is grown for its large succulent taproot which is edible.

Test: Plant Morphology - Question 29

Which of the following is false fruit- 

Detailed Solution for Test: Plant Morphology - Question 29

Pome is a false fruit. A pome is an accessory fruit composed of one or more carpels surrounded by accessory tissue. The accessory tissue is interpreted by some specialists as an extension of the receptacle and is then referred to as fruit cortex and by others as a fused hypanthium or torus, it is the most edible part of this fruit.

Test: Plant Morphology - Question 30

A berry fruit is - 

Detailed Solution for Test: Plant Morphology - Question 30

A berry fruit is fleshy and multiseeded. Berry is a fleshy fruit produced from a single flower and containing one ovary. Grapes and bananas are two common examples. The berry is the most common type of fleshy fruit in which the entire ovary wall ripens into an edible pericarp. They may have one or more carpels. The seeds are usually embedded in the fleshy interior of the ovary, but there are some non-fleshy exceptions, such as peppers, that have air rather than pulp around their seeds.
Thus, the correct answer is option B.

Test: Plant Morphology - Question 31

Water melon is - 

Detailed Solution for Test: Plant Morphology - Question 31

Water melon is a Pepo fruit. Berries are another type of fleshy fruit, they are simple fruit created from a single ovary. The ovary may be compound, with several carpels. Pepo are berries where the skin is hardened.

Thus, the correct answer is option C.

Test: Plant Morphology - Question 32

Immature 'Fig' or 'Gular' fruit is -

Detailed Solution for Test: Plant Morphology - Question 32

Immature fig or gular fruit is a syconus. Syconium is the type of inflorescence borne by figs, formed by an enlarged, fleshy, hollow receptacle with multiple ovaries on the inside surface. In essence, it is really a fleshy stem with a number of flowers, so it is considered both, a multiple and accessory fruit.
Thus, the correct answer is option B.

Test: Plant Morphology - Question 33

Fruit of Halianthus annuas is -

Detailed Solution for Test: Plant Morphology - Question 33

The cypsela is the typical fruit of the sunflower i.e. Helianthus annuus family asteraceae. It is a small, one- seeded fruit containing a single seed. The seed is attached by a funiculus but the seed coat is free from the inner wall of the pericarp.

Test: Plant Morphology - Question 34

Phyllode is the modification of –

Detailed Solution for Test: Plant Morphology - Question 34

Phyllode is a modification of leaf or petiole. It is green in colour and is able to carry out photosynthesis. It is a xerophytic adapation. It reduces the rate of transpiration in xerophytic plants like Opuntia. Thus, the correct answer is 'Petiole.'

Test: Plant Morphology - Question 35

Monadelphous stamens are formed by the fusion of –

Detailed Solution for Test: Plant Morphology - Question 35

When the stamens get binded in a bunch or a single bundle, it is called Monoadelphous.
The stamens are binded through the filaments of the anthers.
Stamen is composed of several anthers. And filament is a thread like structure which works as a connecting medium for stamen and thalamus.

Test: Plant Morphology - Question 36

In a ‘phylloclade’ the function of photosynthesis is taken up by  -

Detailed Solution for Test: Plant Morphology - Question 36

In certain plants, such as some species of cacti and succulents, a modified stem called a "phylloclade" or "cladode" takes over the function of photosynthesis. A phylloclade is a flattened, leaf-like structure that arises from the stem and performs the role of a leaf in terms of photosynthesis, despite not having the typical anatomical features of a leaf such as a blade, petiole, or stipules.

Test: Plant Morphology - Question 37

Plants disperse their seeds and fruits because –

Detailed Solution for Test: Plant Morphology - Question 37

Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.

Test: Plant Morphology - Question 38

Floral diagram fails to indicate –

Detailed Solution for Test: Plant Morphology - Question 38

The floral diagram is basically the graphic representation of a flower structure. It gives information about the number of whorls, sizes, and fusions and also contains extra information like cohesion of carpels and stamens, symmetry, aestivation, placentation etc.
So the correct option is 'Position of ovary on thalamus'

Test: Plant Morphology - Question 39

Rolling mechanism of dispersal is found in –

Detailed Solution for Test: Plant Morphology - Question 39

When released from their seed capsules they flutter or spin through the air. Whether they spin or merely flutter depends on the size, shape, and pitch of the wings, and the wind velocity. This method sometimes called a rolling mechanism.

Test: Plant Morphology - Question 40

Clove is –

Detailed Solution for Test: Plant Morphology - Question 40

Cloves are the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum. They are native to the Maluku islands in Indonesia, and are commonly used as a spice. Oil is obtained from flower bud and used for perfumes and medicines. Thus, option A is correct.

Test: Plant Morphology - Question 41

A pernnial plant which flower once in its life time is known as

Detailed Solution for Test: Plant Morphology - Question 41

Some perennials flower only once in their lifetime, set seeds and die. The next generation of the plants are established from these seeds and the cycle is repeated. Such plants are known as monocarpic, opposed to polycarpic plants that flower and set seeds many times during its lifetime.

Test: Plant Morphology - Question 42

Imparipinnate leaf is characterized by –

Detailed Solution for Test: Plant Morphology - Question 42

The pinnately compound leaves in which there is only one terminal leaflet rather than a terminal pair of leaflets is known as imparipinnate leaf. They are also called as odd-pinnate leaf.
Therefore, the correct answer is option B.

Test: Plant Morphology - Question 43

The fruit that develops from a tricarpellary syncarpous inferior ovary and have parietal placentation which appears as axile is –

Detailed Solution for Test: Plant Morphology - Question 43

Pepo: These fruit develops from tricarpellary, syncarpous and inferior ovary- This fruit is unilocular and have parietal placentation. These fruits 'are fleshy and spongy.

Test: Plant Morphology - Question 44

Presence of monocarpellary, unilocular ovary with marginal placentation are characteristic of–

Detailed Solution for Test: Plant Morphology - Question 44

Leguminosae is a large and economically important family of flowering plants. In leguminosae the ovary is monocarpellary, superior, unilocular with marginal placentation.
Marginal placentation is found in monocarpellary unilocular ovary, placenta forms a rigid along ventral side and ovules are arranged in two vertical rows. In leguminosae, the stamens are 10, diadelphous [stamens are united by their filaments so as to form two groups i.e (9+1)]

So, the correct answer is "Leguminosae"

Test: Plant Morphology - Question 45

Fruit of brinjal -

Detailed Solution for Test: Plant Morphology - Question 45

Fruit of brinjal is a berry. The egg-shaped glossy purple fruit has white flesh with a meaty texture. The cut surface of the flesh rapidly turns brown when the fruit is cut open. The fruit is a berry, the fruit contains numerous small, soft seeds which, though edible, taste bitter.
Thus, the correct answer is option A.

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