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NEET - Grade 12 - Biology - Sexual Reproduction in Flowering Plants - Introduction and Snapshot of Sexual Reproduction in Flowering Plant - Study ref# 941

Introduction: Are we not lucky that plants reproduce sexually? Flowers do not exist only for us to be used for our own selfishness. All flowering plants show sexual reproduction. A look at the density of structures of the inflorescence... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Importance and Snapshot of Morphology of Flowering Plants - Study ref# 749

Introduction: The wide range in the structure of higher plants will never fail to fascinate us. Even though the angiosperms show such a large diversity in external structure or morphology, they are all characterized by presence of root... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Importance and Snapshot of Morphology of Flowering Plants - Study ref# 750

Following sections must be covered to understand the Morphology of Flowering Plants: 1. The Root 2. The Stem 3. The Leaf 4. The Inflorescence 5. The Flower 6. The Fruit 7. The Seed 8. Semi-technical Description of a Typi... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Target Setup for Morphology of Flowering Plants - Study ref# 751

Student requires to achieve the following milestones to get better grip over Morphology Of Flowering Plants. The milestones / targets are as follows:Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chapte... read more

NEET - Grade 11 - Biology - Anatomy of Flowering Plants - Importance and Snapshot of Anatomy of Flowering Plants - Study ref# 752

Introduction: You can very easily see the structural similarities and variations in the external morphology of the larger living organism, both plants and animals. Similarly, if we were to study the internal structure, one also finds s... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3774

Define phyllotaxy? What are the types? Answer: The mode of arrangement of leaves on the branches or on the stem is called phyllotaxy. The types of phyllotaxy: 1. Alternate: When a single leaf arises at a node, the phyllotaxy is altern... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3775

What is a phylloclade and cladode? Answer: Phylloclades are flattened, photosynthetic branches or stems that resemble or perform the function of a leaf, as in certain cacti. A flattened stem that performs the function of a leaf; an example is th... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3776

Mention four general function of root? Answer: Four general function of root is as follows:1. Roots anchor the plant to the soil. 2. They absorb water and minerals and conduct them up to the stems and leaves. 3. The root tips synthesize ... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3777

What is gamopetalous and polypetalous? Answer: Gamopetalous are plants having the petals in a flower fused. Example Indian gooseberry. Polypetalous are plants having a corolla composed of many separated or distinct petals. Example: chickpea.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3778

Mention the function of underground stem of ginger? Answer: The underground stem of ginger is called rhizome. It acts as a storage organ and helps in propagation of the plant. It also has some medicinal properties.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3779

Mention the modified function of underground stem of potato? Answer: The underground stem of potato is called tuber. Large amount of food is stored in form of starch.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3780

Mention the modified function of taproot of radish? Answer: The taproot of radish is fusiform in nature. It is swollen in the middle and tapers towards the both side. It is modified for storing food materials.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3781

What is the function of the scale leaves of onions? Answer: The scale leaves of onion store food material in the form of sugar.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3782

What is stolon? Answer: A shoot that bends to the ground or that grows horizontally above the ground and produces roots and shoots at the nodes. Example Bermuda grass.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3783

What is perianth? Answer: When sepals and petals of flowers are indistinguishable, they are collectively known as perianth.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3784

What is endosperm? Answer: Endosperm is the albumen tissue produced in the seeds of most flowering plants around the time of fertilization. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and prot... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3785

What are coleoptile and coleorhiza? Answer: In monocot the plume is covered by sheath like structure called coleoptile. The radicle is covered by another sheath called coleorhiza.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3786

What is floral formula? Answer: A floral formula is a way to represent the structure of a flower using specific letters, numbers, and symbols. Typically, a general formula will be used to represent the flower structure of a plant family rather than a... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3787

What is pericarp? Name its divisible zones? Answer: The wall of the true fruit is called the pericarp. It is divisible into three zones, namely outer epicarp, a middle mesocarp and an inner endocarp.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3788

Differentiate between apocarpous and syncarpous ovary? Answer: Apocarpous ovary has free carpels. The flowers of magnolia plants have apocarpous ovary. Syncarpous ovary has fused carpels. The flowers of poppy has syncarpous ovary.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3789

What is true fruit and false fruit? Answer: If a fruit is developed from the ovary then the fruit is called the true fruit. If any part other than the ovary forms the edible part, the fruit is called the false fruit.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3790

What is a parthenocarpic fruit? Answer: If fruit is formed without the fertilization of the ovary then it is called parthenocarpic fruit.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3791

Give two examples of fruits having sclereids? Answer: Guava and Pear.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3792

Describe the Androecium of Solanaceae family? Answer: Androecium consists of five stamens. They are alternating with the petals. The stamens are usually uniform in length and size of anther. One may be slightly shorter than other. Anthers are dithe... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3793

What are some economic importance of Fabaceae family? Answer: Pulses are obtained from the seed. Edible oil is obtained from the groundnut and soybean. Dyes are obtained from the plants like Haematoxylon campuchianum. Fodder is obtained from the leaf... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3794

Describe the leaf of Liliaceae family? Answer: The leaves are simple, radical and arising in a rosette. Leaves are cylindrical in onion. Stipules are modified into tendrils in Smilax. Leaves are reduced to scales in Asparagus. Leaf tip is tendrillar ... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3795

Describe the different types of phyllotaxy? Answer: The arrangement of leaves on the shoot of plant is called the phyllotaxy. Phyllotaxy is of following types: Alternate: When a single leaf arise at a node, the phyllotaxy is called al... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3796

How does various leaf modification help plant? Answer: The main function of the leaves are photosynthesis, exchange of gases through transpiration. But the leaves are modified to perform the other works also. Tendrils: The leaves are modified... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3797

What is Hypogynous, Perigynous and Epigynous flower? Answer: Hypogynous: Having the floral parts, such as sepals, petals, and stamens, borne on the receptacle beneath the ovary. Perigynous: Having sepals, petals, and stamens around th... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3798

What are different types of androecium? Answer: Collectively, the stamens are called an androecium. Stamens: can be connate (fused or joined in the same whorl).Monadelphous: fused into a single, compound structure.Diadelphous: join... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3799

Name the different parts of a typical stem. Answer: The different parts of a typical stem are: a) Nodes – The position from which leaf originates.b) Internodes – The distance between two nodes.c) Apical bud or terminal bud – Situated at the a... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3800

Why the underground modified stems are not regarded as roots? What are the functions of underground stems? Answer: Underground modified stems are not regarded as roots because: a) Thin, dry scale leaves are present on modified stems, unlike r... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3801

Define fruit. What do you mean by true fruit and false fruit? Answer: Fruit – A matured ovary or ovaries, with or without seeds, together with any other necessary floral parts is called a fruit.Generally, ovary by chemical changes is transformed into... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3802

What is pericarp? Describe briefly. Answer: The fruit wall is called pericarp, which develops mainly from the ovary wall. Pericarp may be thick and fleshy or thin. A thick pericarp is of three constituent layers.a) The Epicarp – forms the outer skin ... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3803

What is parthenocarpy? What is phyllotaxy? What are the types? Answer: Parthenocarpy – The development of fruit without fertilization of the ovary is called parthenocarpy.Phyllotaxy – The mode of arrangement or the pattern of arrangement of arrangeme... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3804

What do you understand by semi – technical description of a typical flowering plant? Give the semi – technical description (description with floral formula) flower of Lilaceae family. Answer: Various morphological features are used to describe a flow... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3805

What is pinnately compound leaf and palmately compound leaf? Answer: Palmately compound leaves are compound leaves where the leaflets are all attached to the petiole at one point. The leaflets radiate out from that point like your fingers do from you... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3806

What is racemose and cymose? Answer: A racemose inflorescence has an active growing region at the tip of its main axis, and bears flowers along its length, as in hyacinth; the oldest flowers are found near the base or, in cases where the inflorescenc... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3807

Describe the different regions of roots? Answer: The tender apex of the root is protected by a structure called root cap. In aquatic plants it is called the root pocket. Just above the root cap it is the meristematic region. The cells of this region... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3808

What types of modifications of root is found in Banyan tree, Turnip and Mangrove trees? Answer: In Banyan tree the roots are modified as prop roots. They are massive pillar like out growth of aerial branches. They grow downward and become large and w... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3809

Describe the modification of stems with suitable example? Answer: Stems are modified broadly into following groups:Tendrils: They are slender and spirally coiled structures arising from the axillary bud and terminal bud. They help the plan... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3810

Describe the parts of flower? Answer: A flower is the modified reproductive part of plant.The stalk of the flower of the flower is called pedicel. The floral leaves are arranged in whorls on the swollen end of the pedicel or axis known as thalamus. W... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3811

Describe the various types of placentation found in flowering plants? Answer: The placentation in the ovary can be following types:Marginal placentation: This is found along the ventral suture. It is formed by the fusion of the margins of the c... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3812

What are the two root systems? Explain each with proper diagram. Answer: The two root system are: a) Tap root system: The seed after germination produces radical which penetrates the soil to form the main primary root. This bears lateral r... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3813

What are the important regions of a root? Draw a labeled sketch and also describe their functions. Answer: There are four distinct regions in a typical root, from apex to base, these are:a) Root cap region – The delicate apex of root of most plant... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3814

Write down the important functions of root. Why do roots modify? Mention three types of modified roots, their functions and also their occurrence. Answer: The common and most important functions of roots are:a) The mechanical function of root is t... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3815

Define normal root and adventitious root. Distinguish between normal root and adventitious roots. Answer: Normal root is that kind of root which develops from the radicle of the embryo after the seed germinates. In case of dicotyledons, the tap root ... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3816

Mention the characteristics of roots. Mention the characteristics of true roots. Answer: The characteristics of roots are:a) Root is the descending part of the axis, and grows downwardly into the soil.b) Root grows away from the source of light an... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3817

What is the ascending plant part that develops from the Plumule of the embryo called? What are its external features noted? What is its main function? Answer: The ascending plant part that develops from the Plumule of the embryo is called the stem.Th... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3818

Define leaf. What do you understand by 'simple leaf' and 'compound leaf'? Classify compound leaves and explain. Answer: The flattened, dissimilar, usually green, lateral member of the plant borne on the stem is called the leaf. Leaves originate from ... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3819

What is venation? Describe the different types of venation with examples and sketches. Answer: The made of arrangement of veins and vein lets over the lamina is called venation.There are two types of venation:a) Reticulate – In this type of venati... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3820

What are the various modification of stem? Give examples. Describe two types of aerial and one type of underground modified stems. Answer: Stems may not always be typically like what use expect. They are often modified to perform different functions.... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3821

What are the modifications of leaves? Write a brief note. Answer: Leaves are often modified to perform functions other than photosynthesis. They are modified into tendrils or spines.Leaf tendril – The leaves may be partly or wholly modified into slen... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3822

Define flower. What is inflorescence? Define two major types of inflorescence. Answer: The flower is a modified shoot wherein the shoot apical meristems changes to floral meristems. It is a modified reproductive shoot and hence helps in reproduction,... read more

NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3823

Define the following terms: a) Aestivation b) Zygomorphic c) Epipetalous stamen d) Placentation e) Superior ovary f) Actinomorphic g) Perigynous flower h) Isomerous flower. Answer: a) Aestivation – The mode of arrangement of sepals or petals in fl... read more

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