Dear Readers,

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. .

Q1. Bicarpellary, syncarpous ovary with axile placentation is seen in
  •  Solanaceae
  •   Caesalpinaceae
  •   Asteraceae
  •  Malvaceae
a)In Solanaceae, gynoecium is bicarpellary, syncarpous, ovary superior, bilocular, unilocular in Henoonia, axile placentation, placentae swollen, many ovules in each locule, ovary obliquely placed, posterior carpel to the high about 45° from median and the anterior to the left. In some cases, nectariferous disc is present, style simple, stigma bifid or capitate.

Q2.Ginger is an example of underground modified stem called
  •  Rhizome
  •  Corm
  •  Tuber
  •  Bulb
a)Rhizome is an underground modification of stem. It grows horizontally forward under soil surface. It has distinct nodes and internodes with scaly leaves arising at the nodes. There are well marked apical and axillary buds also, e.g., Canna, Zingiber (ginger), Curcuma, etc

Q3.  Most of the petrocrops belong to family
  •  Malvaceae
  •  Rutaceae
  •  Leguminosae
  •  Euphorbiaceae
d)(d) Most of the petrocrops belong to family-Euphorbiaceae, Apocyanaceae and Asclepiadaceae. The plants of these families convert a substancial amount of the photosynthetic products into latex.

Q4. Capitulum inflorescence is found in
  •  Compositae (Asteraceae)
  •  Cruciferae (Brassicaceae)
  •  Solanaceae
  •  Malvaceae
a)In family-Compositae or Asteraceae, inflorescence is head or capitulum.

Q5.Free central placentation is found in
  •  Brassicaceae
  •  Caryophyllaceae
  •   Asteraceae
  •  Malvaceae
 (b) Free central placentation is the character of the members of the family-Caryophyllaceae, in this type, the central placental column are devoid of septa.

Q6. Liliaceae
  •  Is commonly called lily family
  •  Is a representative of monocotyledonous plants
  •  Is a representative of dicotyledonous plants
  •  Both (a) and (b)
(d) Liliaceae is a large family of about 254 genera and 4075 species widely distributed all over the world. It is commonly called lily family and is a characteristic of monocotyledonous family

Q7.Mature seeds of some plant (such as gram pea and ground nut) and sperm is completely consumed by the embryo.
Such seeds are called
  •  Single
  •  Albuminous
  •  Endospermic
  •  Non-endospermic
(d)In non-endospermic seed such as Pisum, Arachis, Cucurbita, etc., endosperm is consumed up by growing embryo and is no longer seen in mature seed. Such seeds are also called ex-albuminous seed

Q8.In the flowers of a plant, the ovarian part is fused, but styles and stigmas are free. Its ovary becomes unilocular due to
breakdown of partition wall and the ovules are attached to a central axis. Identify
the plant.
  •  Dianthus
  •  Abutilon
  •  Nymphaea
  •  Michelia
a)In the flower of Dianthus, the ovarian part is fused but styles and stigma are free. Its ovary becomes unilocular due to breakdown of partition wall and the ovules are attached to a central axis, i.e., the ovary is syncarpous, superior, unilocular, with many ovules and free central placentation.

Q9.Arrangement of sepals or petals with respect to the other members of same whorl is known as
  •  Gamopetalous
  •  Polypetalous
  •  Aestivation
  •  Vernation
(c)Aestivation The mode of arrangement of sepals or petals in floral buds with respect to other members of the same whorl is known as aestivation Main types of aestivation are (i) Valvate When sepals or petals in a whorl just touch one another at margin without overlapping e.g., Calotropis (ii) Twisted If one margin of the appendages ovarlaps that of the next one and so on. e.g., China rose, cotton, lady’s finger (ii) Imbricate If the margins of sepals or petals overlap one another but not in any particular direction, e.g., Cassia and gulmohar (iv) Vexillary In pea and bean flowers, there are five petals, the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel) this type of aestivation is known as vexillary or papilionaceous

Q10. Opium (poppy) is a plant belonging to the family
  •  Apocynaceae
  •  Papaveraceae
  •  Solanaceae
  •  :Liliaceae
(b)Opium (poppy) belongs to family-Papaveraceae

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Morphology in Flowering plants Quiz-2
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