Plant Kingdom Quiz-05
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.
Pollen grains in Pinus are
Solution
(a) Pollen grains in Pinus are monosaccate. In Pinus, pollen grain is unicellular, three layered: outer exine, the middle exo-intine and innermost intine.
(a) Pollen grains in Pinus are monosaccate. In Pinus, pollen grain is unicellular, three layered: outer exine, the middle exo-intine and innermost intine.
Q2.
In which group of the following would you place the plants having vascular tissue and lacking seeds?
Solution
(d) Pteridophytes constitute a group of cryptogams having well developed vascular tissue. These plants lack seed (although seed habit is seen in Selaginella).
(d) Pteridophytes constitute a group of cryptogams having well developed vascular tissue. These plants lack seed (although seed habit is seen in Selaginella).
Q3.
Number of archegonia in Cycas is
Solution
(b) In Cycas, the archegonia are foremed from the gametophytic cells lining the archegonial chamber. The number of archegonia formed in a gametophyte is variable, e.g.,3-8 in C.revoluta,3-6 in C.rumphi and 3-8 in C.circinalis.
(b) In Cycas, the archegonia are foremed from the gametophytic cells lining the archegonial chamber. The number of archegonia formed in a gametophyte is variable, e.g.,3-8 in C.revoluta,3-6 in C.rumphi and 3-8 in C.circinalis.
Q4.
The kidney-shaped covering of sorus in Dryopteris, is called
Solution
(d) Indusium is a protective kidney-shaped covering of sorus present in Dryopteris.
(d) Indusium is a protective kidney-shaped covering of sorus present in Dryopteris.
Q5.
In capsule of moss, shock absorbers are
Solution
(a) In moss capsule, shock absorbers are trabeculae.
(a) In moss capsule, shock absorbers are trabeculae.
Q6.
Agar, one of the commercial products obtained from red algae is used
Solution
(b) Agar, one of the commercial products obtained from Gelidium and Gracilaria is used to grow microbes and in preparation of ice-creams and jellies
(b) Agar, one of the commercial products obtained from Gelidium and Gracilaria is used to grow microbes and in preparation of ice-creams and jellies
Q7.
Horse tails and ferns are belongs to
Solution
(d) Pteridophytes are called vascular cryptogams, also known as seedless vascular plants. They produce spores rather than seeds. These include horse tails and ferns
(d) Pteridophytes are called vascular cryptogams, also known as seedless vascular plants. They produce spores rather than seeds. These include horse tails and ferns
Q8.
Floridian starch is reserve food in
Solution
(a) Rhodophyceae - floridean starch Phaeophyceae - laminarian, mannitol Chlorophyceae - starch
(a) Rhodophyceae - floridean starch Phaeophyceae - laminarian, mannitol Chlorophyceae - starch
Q9.
Which of the following taxa shows zooidogamous oogamy?
I. Spirogyra
II. Funaria
III. Pteris
IV. Cycas
Solution
(d) In Spirogyra, sexual reproduction occurs through conjugation resulting into the formation of zygospore, while in Funaria,Pteris and Cycas zooidogamous oogamy occurs.
(d) In Spirogyra, sexual reproduction occurs through conjugation resulting into the formation of zygospore, while in Funaria,Pteris and Cycas zooidogamous oogamy occurs.
Q10.
In Pinus, male cone bears a large number of
Solution
(c) In Pinus, each male cone consists of an elongated axis, bearing a number of spirally arranged microsporophylls. On the underside of which two microsporangia develop and get filled with microspores (pollen grains).
(c) In Pinus, each male cone consists of an elongated axis, bearing a number of spirally arranged microsporophylls. On the underside of which two microsporangia develop and get filled with microspores (pollen grains).
