BIOLOGY MORPHOLOGY IN FLOWERING PLANTS QUIZ-3
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.
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Q1. In Selaginella, the adaxial outgrowth, from the base of leaf, is called
Solution
a)The leaves of Selaginella are microphillus. Each leaf is transversed by a single unbranched midrib. A ligule arises from the base of each leaf (ligulate) as an adaxial outgrowth. They are delicate, green with entire or serrate margin and acute apex.
a)The leaves of Selaginella are microphillus. Each leaf is transversed by a single unbranched midrib. A ligule arises from the base of each leaf (ligulate) as an adaxial outgrowth. They are delicate, green with entire or serrate margin and acute apex.
Q2.Identify the order of plants showing alternate, opposite and whorled phyllotaxy.
Solution
a)Phyllotaxy is the arrangement of leaves on the stem or its branches, e.g. spiral or alternate in China rose, opposite decussate in Calotropis and whorled in Nerium.
a)Phyllotaxy is the arrangement of leaves on the stem or its branches, e.g. spiral or alternate in China rose, opposite decussate in Calotropis and whorled in Nerium.
Q3. Leaf blade is spinous in case of
Solution
c)The leaf blades become spinous in Argemone (Papaver).
c)The leaf blades become spinous in Argemone (Papaver).
Q4. Pineapple fruit develops from
Solution
d)Pineapple (Ananas sativus) is a multiple fruit (sorosis), which develops from a complete inflorescence, i.e., a cluster of compactly borne flowers on an axis.
d)Pineapple (Ananas sativus) is a multiple fruit (sorosis), which develops from a complete inflorescence, i.e., a cluster of compactly borne flowers on an axis.
Q5.Identify A,B,C and D in the given diagram
Solution
(a)
(a)
Q6. Flowers and lateral branches arise from the
Solution
(a)The flower and lateral branches usually develop as a branch from a bud growing in the axil of a small leaf-like structure known as bract; such buds are known as lateral buds
(a)The flower and lateral branches usually develop as a branch from a bud growing in the axil of a small leaf-like structure known as bract; such buds are known as lateral buds
Q7.Type of aestivation shown by Pisum is
Solution
(b)In pea (Pisum sativum), been (Dolichos lablab), etc, there are five petals, the largest (standard or Vexillum) overlaps the two lateral petals (wings or alae) which in turns overlap the two smallest, anterior but united petals (keel or carina). This type of aestivation is known as vexillary or papillionaceous
(b)In pea (Pisum sativum), been (Dolichos lablab), etc, there are five petals, the largest (standard or Vexillum) overlaps the two lateral petals (wings or alae) which in turns overlap the two smallest, anterior but united petals (keel or carina). This type of aestivation is known as vexillary or papillionaceous
Q8.Which pair of the following plants represents the condition of modification of stipules into spines?
Solution
a)In Euphorbia of family-Euphorbiaceae and Ziziphus of family-Rhamnaceae, the stipules are modified into spines.
a)In Euphorbia of family-Euphorbiaceae and Ziziphus of family-Rhamnaceae, the stipules are modified into spines.
Q9.Which of the following members of family-Solanaceae is rich in source of vitamin-C?
Solution
(a) Tomato (Lycopersicon esculentum) belongs to family-Solanaceae. The tomato fruit have large quantities of vitamin-C; compared with oranges, tomatoes contain over two-thirds of vitamin-C.
(a) Tomato (Lycopersicon esculentum) belongs to family-Solanaceae. The tomato fruit have large quantities of vitamin-C; compared with oranges, tomatoes contain over two-thirds of vitamin-C.
Q10. Nodes are the region of stem where
Solution
(b)The stem bears nodes and internodes. The region of the stem where leaves are borne are called nodes while internodes are the portions between two nodes. The stem bears buds, which may be terminal or axillary. Stem is generally green when young and later often become woody and dark brown
(b)The stem bears nodes and internodes. The region of the stem where leaves are borne are called nodes while internodes are the portions between two nodes. The stem bears buds, which may be terminal or axillary. Stem is generally green when young and later often become woody and dark brown
