Quiz-12
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.
In the respiratory system of cockroaches, trachea opens through 10 pairs of small holes called spiracles. The part of integument, which, support the spiracle from outside is called peritreme.
The columnar epithelium is composed of single layer of tall of slender cells. Their nuclei are located at the base and microvilli are present on free surfaces.
Blood of cockroach contains colourless plasma and leucocytes.
Q4. During respiration in frog, the hyoid and floor of the buccal cavity are raised with the help of:
Petrohyal muscles raise the hyoid and floor of buccal cavity of frog during respiration.
In the head region of cockroach, brain is represented by supra-oesophageal ganglion, which supplies the nerves to antennae and compound eyes.
Rh factor was discovered by K Landsteiner and A S Wiener (1940) from rabbits immunized with the blood of monkey Macaca rhesus. It is found is man and rhesus monkey only.
Simple cuboidal epithelium is made up of a single layer of cube-like cells. This is mainly found in ducts of glands and its main functions are secretion and absorption.
A-Unicellular gland
B-Multicellular gland
C-Multilayered cells
In epithelial tissue, the adjacent cells form ion-rich gap or cell junctions for intercellular communication and chemical exchange. These junctions probably do not provide physical support.
The hormones in frogs acts as a chemical messenger which controls and coordinate the functioning of various organs of the body.
