BIOLOGY MORPHOLOGY IN FLOWERING PLANTS QUIZ-6
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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions.
About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus.
Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced.
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Q1. Nutrition is shown by
Solution
a)Nutation movements are shown by tendrils, which get spirally coiled due to more growth on outer side.
a)Nutation movements are shown by tendrils, which get spirally coiled due to more growth on outer side.
Q2.Expanded green stem of Opuntia is called
Solution
a)Phylloclade is a modified stem or branch of unlimited growth. It consists several nodes and internodes and may be flat or circular, fleshy, photosynthetic like green leaf, e.g., Opuntia.
a)Phylloclade is a modified stem or branch of unlimited growth. It consists several nodes and internodes and may be flat or circular, fleshy, photosynthetic like green leaf, e.g., Opuntia.
Q3. In the members of family-Malvaceae, anthers are described as
Solution
c)The androecium of family-Malvaceae consists of indefinite stamens. The stamens are monodelphous, i.e., united into one bundle by filaments and monothecous, i.e., single celled anther. The anther dehisce transversely.
c)The androecium of family-Malvaceae consists of indefinite stamens. The stamens are monodelphous, i.e., united into one bundle by filaments and monothecous, i.e., single celled anther. The anther dehisce transversely.
Q4.
I. Standard petals II. Wing petal
III. Keel petals Above petals are found in
Solution
d)Vexillary aestivation has unique type of aestivation in which the largest petals is called standard, which overlaps the two lateral petal, called wings. Wings overlaps the two smallest anterior petal called keel. e.g., pea and bean
d)Vexillary aestivation has unique type of aestivation in which the largest petals is called standard, which overlaps the two lateral petal, called wings. Wings overlaps the two smallest anterior petal called keel. e.g., pea and bean
Q5.
I. Bear leaves and branches II. Conduction of water and minerals
III. Storage of food These are the functions of
I. Bear leaves and branches II. Conduction of water and minerals
III. Storage of food These are the functions of
Solution
(b) Characteristics of stem (i) Stem develops from plumule of embryo (ii) Stem is ascending part of the plant axis (iii) It bears terminal bud growth (iv) The stem differentiated into nodes and internodes (v) The young stem is capable of performing photosynthesis (vi) Stem are usually positively phototropic, negatively geotropic and negatively hydrotropic
(b) Characteristics of stem (i) Stem develops from plumule of embryo (ii) Stem is ascending part of the plant axis (iii) It bears terminal bud growth (iv) The stem differentiated into nodes and internodes (v) The young stem is capable of performing photosynthesis (vi) Stem are usually positively phototropic, negatively geotropic and negatively hydrotropic
Q6.Respiratory roots are found in
Solution
(d)Respiratory roots or pneumatophores are special, negatively geotropic root branches meant for gaseous exchange or respiration. These are found in some vascular plants growing in the water of tidal swamps, e.g., mangrove plants (Rhizophora) or halophytic plants.
(d)Respiratory roots or pneumatophores are special, negatively geotropic root branches meant for gaseous exchange or respiration. These are found in some vascular plants growing in the water of tidal swamps, e.g., mangrove plants (Rhizophora) or halophytic plants.
Q7.Multicarpellary, apocarpous, gynoecium with superior ovary is characteristic feature of the family
Solution
(c)The Multicarpellary apocarpous gynoecium with superior ovary is the characteristics feature of the family-Ranunculaceae.
(c)The Multicarpellary apocarpous gynoecium with superior ovary is the characteristics feature of the family-Ranunculaceae.
Q8.If a primary root continues to grow, the type of root system will be known as
Solution
c)When the primary root, which develops from the radicle of the embryo remains as the main root throughout the life of the plant and grows straight downwardly in the soil, it is called tap root, e.g., roots in dicot plants.
c)When the primary root, which develops from the radicle of the embryo remains as the main root throughout the life of the plant and grows straight downwardly in the soil, it is called tap root, e.g., roots in dicot plants.
Q9.Percentage (%) sign is used for
Solution
(b) When the flower is bilaterally symmetrical, i.e., divisible into only two equal halves by a single vertical plane, it is termed as zygomorphic, e.g., Adhatoda, pea, Larkspur, Ocimum, etc, the zygomorphic condition of flower is represented by the sign %.
(b) When the flower is bilaterally symmetrical, i.e., divisible into only two equal halves by a single vertical plane, it is termed as zygomorphic, e.g., Adhatoda, pea, Larkspur, Ocimum, etc, the zygomorphic condition of flower is represented by the sign %.
Q10. Cinchona officinalis belongs to family
Solution
(c)The bark of Cinchona officinalis, tree yields the drug ‘quinine’ used for the malarial fever. It belongs to the family-Rubiaceae.
(c)The bark of Cinchona officinalis, tree yields the drug ‘quinine’ used for the malarial fever. It belongs to the family-Rubiaceae.
