Plant Kingdom Quiz-17
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. In selaginella trabeculae are the modification of
Solution
(c) The stem of shows distelic condition. Some air spaces develop between the endodermal cells isolating two steles from the cortex. The endodermal cells elongate to form trabeculae connecting the two tissues. The stele remains suspended by this unicelled (rarely multicelled) trabeculae.
(c) The stem of shows distelic condition. Some air spaces develop between the endodermal cells isolating two steles from the cortex. The endodermal cells elongate to form trabeculae connecting the two tissues. The stele remains suspended by this unicelled (rarely multicelled) trabeculae.
Q2. Choose the correct statements about protonema
Solution
(d) Juvenile stage of moss is protonema, which develops directly from a spore. It is a creeping, green, slender, branched and frequently filamentous stage
(d) Juvenile stage of moss is protonema, which develops directly from a spore. It is a creeping, green, slender, branched and frequently filamentous stage
Q3. In brown algae, food is stored in the form of
Solution
In brown algae food is stored as complex carbohydrates, which may be in the form of laminarin or mannitol
In brown algae food is stored as complex carbohydrates, which may be in the form of laminarin or mannitol
Q4. Which green alga shows heterotrichous habit and may have given rise to terrestrial (land) habit?
Solution
Heterotrichous habit having prostrate and erect system by a filamentous thallus is must for evolution of terrestrial plants. It is found in green algae like other examples are
Heterotrichous habit having prostrate and erect system by a filamentous thallus is must for evolution of terrestrial plants. It is found in green algae like other examples are
Q5. Artificial system of classification was given by …A… and based on …B…
Fill the blanks with respect to A and B. choose the correct option
Solution
(c) Artificial system of classification was given by Linnaeus and based on morphological characters such as habit, colour, number and shape of leaves, etc
(c) Artificial system of classification was given by Linnaeus and based on morphological characters such as habit, colour, number and shape of leaves, etc
Q6. Both heterospory and circinate ptyxis occur in
Solution
dryopteris has circinate vernation of leaves but is homosporous. Circinate vernation and heterospory is found in cycas
dryopteris has circinate vernation of leaves but is homosporous. Circinate vernation and heterospory is found in cycas
Q7. A microsporophyll in pinus has
Solution
(c) The microsporophyll is a brown coloured triangular structure consisting of a short stalk or filament and leaf like flattened structure or ‘anther’. Each sporophyll is provided with two microsporangia on its abaxial surface.
(c) The microsporophyll is a brown coloured triangular structure consisting of a short stalk or filament and leaf like flattened structure or ‘anther’. Each sporophyll is provided with two microsporangia on its abaxial surface.
Q8. Oogamous means
Solution
Fusion of a large non-motile egg or ovum with a smaller motile sperm (except in Rhodophyceae). The gametes differ morphologically as well as physiologically and are called oogametes. The fusion of gametes is called oogamy, ., Chlamydomonas, Fucus, Chara and Volvox
Fusion of a large non-motile egg or ovum with a smaller motile sperm (except in Rhodophyceae). The gametes differ morphologically as well as physiologically and are called oogametes. The fusion of gametes is called oogamy, ., Chlamydomonas, Fucus, Chara and Volvox
Q9. The moss plant is
Solution
(b) The haploid gametophyte is dominant, long lived, green and independent whereas the diploid sporophyte is short lived and dependent upon the gametophyte
(b) The haploid gametophyte is dominant, long lived, green and independent whereas the diploid sporophyte is short lived and dependent upon the gametophyte
Q10. In the alternation of generations the sporophytic generations is …A… and the gametophytic generation is …B… . Here A and B refer to
Solution
(a) In the alternation of generations the sporophytic generation is 2 and the gametophytic generation is
(a) In the alternation of generations the sporophytic generation is 2 and the gametophytic generation is
