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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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....
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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....
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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....
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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....
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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....
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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....
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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....
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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...
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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....
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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...
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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....
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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....
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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....
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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....
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NEET - Grade 11 - Biology - Morphology of Flowering Plants - Study ref# 3791
Give two examples of fruits having sclereids? Answer: Guava and Pear....
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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....
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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...
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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,...
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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...
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