Plant Kingdom Quiz-07
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.
Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given.
I. In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
II. In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
III. In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla-a,d and phycoerythrin.
Solution
(d)
(d)
Q2.
The bryophytes are fundamentally terrestrial plants but require presence of water to complete their life cycle. The water is needed for
I. dehiscence of antheridia
II. liberation of antherozoids
III. transfer of sperms from antheridia to archegonia
IV. opening of archegonial neck
V. the movement of antherozoids into the archegonial neck
Which of the statements given above are correct?
Solution
(d) In bryophytes the water is needed for (i) Dehiscence of antheridia (ii) Liberation of antherozoids (iii) Transfer of sperms from antheridia to archegonia (iv) Opening of archegonial neck (v) The movement of antherozoids into the archegonial neck Thus, due to peculiar type of their habitat, they are regarded as ‘the amphibians of the plant kingdom’
(d) In bryophytes the water is needed for (i) Dehiscence of antheridia (ii) Liberation of antherozoids (iii) Transfer of sperms from antheridia to archegonia (iv) Opening of archegonial neck (v) The movement of antherozoids into the archegonial neck Thus, due to peculiar type of their habitat, they are regarded as ‘the amphibians of the plant kingdom’
Q3.
Peat moss is
Solution
(d) Sphagnum and other mosses are the chief constituent of peat, that is why Sphagnum is called peat moss.
(d) Sphagnum and other mosses are the chief constituent of peat, that is why Sphagnum is called peat moss.
Q4.
Calyptra is derived from
Solution
(a) Calyptra is a small sheath of cells, derived from the archegonia, which covers top of the capsule.
(a) Calyptra is a small sheath of cells, derived from the archegonia, which covers top of the capsule.
Q5.
Phylogenetic system of classification is also known as
Solution
(b) Hutchinson system of classification
(b) Hutchinson system of classification
Q6.
In Cycas
Solution
(a) In Cycas, archegonia are present, while antheridia remain absent. In ferns and mosses, both archegonia as well as antheridia are present.
(a) In Cycas, archegonia are present, while antheridia remain absent. In ferns and mosses, both archegonia as well as antheridia are present.
Q7.
Incorrect character of brown alga is
Solution
(a) Chlorophyll -b is absent in brown algae. The colour of brown algae varies from olive green through light pigment fucoxanthin (C_40 H_54 O_6 ) in their chromatophores. This contain in addition to chlorophyll -a,chlorophyll-c, carotene and xanthophylls.
(a) Chlorophyll -b is absent in brown algae. The colour of brown algae varies from olive green through light pigment fucoxanthin (C_40 H_54 O_6 ) in their chromatophores. This contain in addition to chlorophyll -a,chlorophyll-c, carotene and xanthophylls.
Q8.
Cycas revoluta is popularly known as
Solution
(b) Cycas revoluta is popularly known as sago palm. Sago (sabodana) is a starch obtained from stems and seeds of various species of cycads.
(b) Cycas revoluta is popularly known as sago palm. Sago (sabodana) is a starch obtained from stems and seeds of various species of cycads.
Q9.
In Bryophtya, the adult plant body is
Solution
(d) Adult plant body of bryophyta is called gametophyte. Gametophyte is haploid that produces gametes.
(d) Adult plant body of bryophyta is called gametophyte. Gametophyte is haploid that produces gametes.
Q10.
Meiosis in Spirogyra,Ulothrix,Chlamydomonas and most of the algae/thallophytes is
Solution
(b) In members of Chlorophyceae, meiosis is zygotic type
(b) In members of Chlorophyceae, meiosis is zygotic type
