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. Fruit formed without fertlisation of ovary is called
Solution
b)Fruit formed without fertilisation of ovary is called parthenocarpic fruit. Parthenocarpic tomato fruit can be produced by treating the plants with low concentration of gibberallic acid and auxin
b)Fruit formed without fertilisation of ovary is called parthenocarpic fruit. Parthenocarpic tomato fruit can be produced by treating the plants with low concentration of gibberallic acid and auxin
Q2.The diagram of the section of a maize gain is given blow. Identify the parts labeled A, B, C, and D.
Solution
d)For the given figure, option (d) is correct. 1. Endosperm B- Coleoptile C- Scutellum D- Radicle
d)For the given figure, option (d) is correct. 1. Endosperm B- Coleoptile C- Scutellum D- Radicle
Q3. The reticulate venation is commonly found in the leaves of
Solution
b)In reticulate venation, the veins are arranged in a net-like manner, e.g., most of the dicots. Some dicot plants like Calophullum, Corymbium and Eryngium show parallel venation.
b)In reticulate venation, the veins are arranged in a net-like manner, e.g., most of the dicots. Some dicot plants like Calophullum, Corymbium and Eryngium show parallel venation.
Q4. The plant having monadelphous stamens and axile placentation is
Solution
d)In monodelphous stamens , fliments units to form one bundle, e.g., Malvaceae. In axile placentation, placentae are axial and the ovules are attached to it multilocular ovary, as in China rose, tomato and lemon
d)In monodelphous stamens , fliments units to form one bundle, e.g., Malvaceae. In axile placentation, placentae are axial and the ovules are attached to it multilocular ovary, as in China rose, tomato and lemon
Solution
(c)The given diagram is of Solanum nigrum (Solanaceae). Because in the floral diagram the placenta sum to be swallen that is the characteristics of family-Solanaceae and in the option only Solanum belongs to Solanaccae family. Ovary is bicarpellary syncarpous with axile placentation
(c)The given diagram is of Solanum nigrum (Solanaceae). Because in the floral diagram the placenta sum to be swallen that is the characteristics of family-Solanaceae and in the option only Solanum belongs to Solanaccae family. Ovary is bicarpellary syncarpous with axile placentation
Solution
(a)Floral characters of family-Fabaceae Inflorescence Racemose Flower Bisexual, zygomorphic Calyx Sepals five, gamosepalous, imbricate, aestivation Corolla Petals five, polypetalous, papilionaceous, consisting of a posterior standard, two lateral wings, two anterior ones forming a keel (enclosing stamens and pistil), vexillary aestivation Androecium Ten, diadelphous, anther dithecous Gynoecium Ovary superior, monocarpellary, unilocular with many ovules, style single Fruit Legume, seed, one to many, non-endospermic
(a)Floral characters of family-Fabaceae Inflorescence Racemose Flower Bisexual, zygomorphic Calyx Sepals five, gamosepalous, imbricate, aestivation Corolla Petals five, polypetalous, papilionaceous, consisting of a posterior standard, two lateral wings, two anterior ones forming a keel (enclosing stamens and pistil), vexillary aestivation Androecium Ten, diadelphous, anther dithecous Gynoecium Ovary superior, monocarpellary, unilocular with many ovules, style single Fruit Legume, seed, one to many, non-endospermic
Q7.Which of the following two are the resultant of stipule modifications?
I.Spines in Ziziphus.
II.Tendrils in Smilax.
III.Tendrils in Nepenthes.
IV.Spines in Argemone.
V.Thorns in Bougainvellea.
I.Spines in Ziziphus.
II.Tendrils in Smilax.
III.Tendrils in Nepenthes.
IV.Spines in Argemone.
V.Thorns in Bougainvellea.
Solution
(b)In smilax, stipules become elongated and function as tendril. Spines of Ziziphus and Acacia are modified stipules.
(b)In smilax, stipules become elongated and function as tendril. Spines of Ziziphus and Acacia are modified stipules.
Q8. In a plant, the peduncle is elongated and it bears pedicillate flowers. The older flowers lie
towards the base and the younger ones near the apex. The growth of the peduncle continues and more flowers are added. The inflorescence is
towards the base and the younger ones near the apex. The growth of the peduncle continues and more flowers are added. The inflorescence is
Solution
a) Raceme is a type of racemose inflorescence, in which pedicellate or stalked bisexual flowers are found acropetaly on an unbranched, continuously growing peduncle, e.g., mustard, radish, etc.
a) Raceme is a type of racemose inflorescence, in which pedicellate or stalked bisexual flowers are found acropetaly on an unbranched, continuously growing peduncle, e.g., mustard, radish, etc.
Q9.The fruit of Solanaceae is
Solution
(a)In family-Solanaceae, the fruits are berry or bacca. They have a thin Epicarp, fleshy mesocarp and a thin endocarp. They usually develop from a superior ovary and their seeds get detached from the palcenta at maturity.
(a)In family-Solanaceae, the fruits are berry or bacca. They have a thin Epicarp, fleshy mesocarp and a thin endocarp. They usually develop from a superior ovary and their seeds get detached from the palcenta at maturity.
Solution
(d)Option (e) is correct.
(d)Option (e) is correct.