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. All flatworms differ from all roundworms in having
  •  Triploblastic body
  •   Solid mesoderm
  •   Bilateral symmetry
  •   Metamorphosis in the life history
Flatworms (Platyhelminthes) and roundworms (Aschelminthes) both possess triploblastic body, bilateral symmetry and metamorphosis in the life history. But flat worms differ from all roundworms in having solid mesoderm. The mesodermally derived tissue includes a loose tissue called parenchyma and this tissue includes fills the body space, i.e., space between the body wall and more specialized tissue or organs.

Q2. Scientific name of starfish is
  •  Echinus
  •  Limulus
  •   Echidna
  •   Asterias
Asterias is the scientific (generic) name of starfish.

Q3.  Book lungs and look gills are found in which of the following animals, respectively?
  •   Prawns and lobsters
  •  Cockroaches and cuttle fish
  •  Pila and crabs
  •  Scorpion and king crabs
Book lungs and book-gills are organs for respiration found in scorpion and king crabs,respectively

Q4.  Which one of the following is not used in organic farming?
  •  Glomus
  •  Earthworm
  •  Oscillatoria
  •  Snail
∵ Except snail, all three are used in organic farming. Glomus – Endomycorrhiza Oscillatoria – BGA Earthworm - Vermicompost

Q5.Secondary radial symmetry is found in
  •  Cnidaria
  •  Jelly fish
  •   Echinodermata
  •  Hemichordata
  • Solution
     Secondary radial symmetry is found in phylum-Echinodermata. The members of this phylum are exclusively marine forms, in which the larvae are bilaterally symmetrical but later on, the symmetry of adults usually becomes pentamerous radial.

    Q6. Three types of body cavity are
    •  True coelom, pseudocoelom and haemocoel
    •   Pseudocoelom, protocoelom and acoelom
    •   Acoelom, deuterocoel and homocoel
    •   Protocoel, deuterocoel and pseudocoelom
    Three types of body cavity are true coelom, pseudocoelom and haemocoel. In phylum-Arthropoda and Mollusca a haemocoel is seen, the true coelom is reduced and blood fills the spaces between the viscera

    Q7. Among the following which one lay eggs and does not produce young ones directly?
    •  Echidna
    •  Kangaroo
    •  Polcapine
    •   Whale
    Echidna belongs to Prototheria group of class-Mammalia. It is oviparous and only female incubates the eggs. Young laps the milk from mammary gland.

    Q8. In which animal, diapharagm has no role in respiration?
    •  Frog
    •  Rat
    •   Camel
    •   Rabbit
    Diaphragm has no role in the respiration in frog but in mammals it increase the surface area for respiration.

    Q9.Columella auris is found in
    •  Rabbit
    •   Frog
    •   Man
    •   All of these
    The middle ear of frog consists of only a single rod shaped bone called columella auris which extend across the tympanic chamber from tympanic membrane to fenestra ovalis. Columella auris is also present in reptiles and birds. It transmits sound to the inner ear and homologous to the mammalian stapes

    Q10.  Periplaneta Americana has themoreceptor sensillae on
    •  1st, 2nd and 3rd segments of tarsus of legs
    •   3rd, 4th and 5th segments of tarsus of legs
    •   Pedicel of antenna
    •   15th segment of anal cerci
    Periplaneta americana has thermoreceptor sensillae on 1st, 2nd and 3rd segments of tarsus of legs.

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