STRUCTURAL ORGANISATION QUIZ -7

STRUCTURAL ORGANISATION QUIZ-7

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 which of the following muscle fibres intercalated disc occurs?

•  In non-striped muscles
•  Between cardiac muscle fibres
•  At the junction of muscle and nerve cells
•  In striped muscles

Solution
Intercalated discs occurs between the cardiac muscle fibres of the heart

Q2.In frog,excess of the bile juices secreted by the liver is stored by

•  Intestine
•  pancreas
•  Gall bladder
•  Rectum

Solution
A small spherical gall bladder lies between the two main lobes of the liver. It stores bile secreted by the liver before releasing into the duodenum

Q3.  Consider the given statements about Periplanata and select the correct option A. Blood vascular system is of open type B. Malpighian tubules helps in the removal of excretory products from the haemolymph C. They bear no eyes D. Female bear mushroom glands and male bear collaterial glands A B C D

•   T F T F
•  T T F F
•  F F T T
•  F T T T

Solution
Periplaneta bears compound eyes, which are situated dorsolaterally on the head one on the either sides Cockroaches are dioecious and both sexes have well-developed reproductive organs. Female bears collateral glands, while mushroom glands are present in males

Q4. The body wall of the earthworm is covered by which of the following layers (externally-internally)?

•  Epidermis, cuticle, coelomic epithelium, longitudinal muscle, circular muscles
•  Cuticle, epidermis, circular muscles, coelomic epithelium, longitudinal muscle
•  Non-cellular cuticle, epidermis, circular muscles, longitudinal muscles, coelomic epithelium
•  Coelomic epithelium, epidermis, cuticle, circular muscles, longitudinal muscles

Solution
The body wall of the earthworm is covered by non-cellular cuticle, epidermis, circular muscles and longitudinal muscles, coelomic epithelium

Q5.Fibroblasts, macrophages and mast cells are present in

•  Cartilage tissue
•  Adipose tissue
•  Areolar tissue
•  Glandular epithelium

Solution
 Fibroblasts, macrophages, mast cells, lymphocyte and plasma cells are cells of areolar tissue.

Q6. Earthworm feeds upon

•  Small animals
•  Small plants
•  Organic matter and decaying leaves
•  All of the above

Solution
The food of the earthworm is decaying leaves and organic matter mixed with the soil

Q7.Go through the given figure of reproductive system of earthworm and label A to G

•  A-Ovary, B-Spermathecae, C-Spermiducal funnels, D-Prostate gland, E-Accessory gland, F-Ovarian funnel, G-Seminal vesicles
•  A-Spermathecae, B-Spermiducal funnels, C-Seminal vesicles, D-Ovary, E-Ovarian funnel, F-Accessory gland, G-Prostate gland
•  A-Ovarian funnel, B-Ovary, C-Spermathecae, D-Seminal vesicles, E-Prostate gland, F-Spermiducal funnels, G-Accessory gland
•  A-Seminal vesicles, B-Ovarian funnel, C-Ovary, D-Accessory gland, E-Spermiducal funnels, F-Prostate gland, G-Spermathecae

Solution
A-Spermathecae, B-Testes, C-Seminal vesicles, D-Ovary, E-Ovarian funnel, F-Accessory gland, G-Prostate gland

Q8.The skin of frog do not contain

•  Cutaneous glands
•  Lymph spaces
•  Mucous glands
•  Scales

Solution
The skin of the frog is naked (without scales), smooth and slippery. It consists of two regions-epidermis and dermis. Dermis contains sac-like mucous glands that discharges slimy mucous

Q9.Which of the following is a sense organ pair in cockroach?

•  Antennae and eyes
•  Maxillary palp and labial palps
•  Antennae and anal cerci
•  All of the above

Solution
In cockroach, the sense organs are antennae,eyes,maxillary palps,labial palps, anal cerci etc.

Q10. Which of the following segment contains the cerebral ganglion in the earthworm?

•  7
•  5
•  6
•  3

Solution
Nervous system of the earthworms comprises a pair of cerebral ganglia, located on the pharynx in 3rd segment