MEDIUM
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Which of the following connective tissue which is capable of considerable extension and recoil?

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Important Questions on Structural Organisation in Animals

EASY
Which one of the following human cells lacks a nucleus?
MEDIUM

Study the following statements and identify the correct statements-
I) Microglial cells keep the cerebrospinal fluid in the ventricles of brain in constant circulation
II) Arrector pili muscles are unstriated muscles
III) Basophils remove antigen-antibody complexes from the blood
IV) Perichondrium is absent in fibrous cartilage

EASY
Microscopic examination of a blood smear reveals an abnormal increase in the number of granular cells with multiple nuclear lobes. Which one of the following cell types has increased in number?
EASY
Match the items given in Column I with those in Column II and select the correct option given below:
 
  Column – I   Column – II
a. Fibrinogen i. Osmotic balance
b. Globulin Ii. Blood clotting
c. Albumin iii. Defense mechanism
EASY
If you suspect major deficiency of antibodies in a person, to which of the following would you like for confirmation evidence?
EASY
Which one of the following organs is NOT a site for the production of white blood cells?
MEDIUM

Study the following statements
A) Compound epithelium forms the lining of the larger pancreatic ducts as stratified cuboidal epithelium
B) Cartilage is a vascular tissue surrounded by fibrous connective tissue sheath called perichondrium
C) Gap junctions in cardiac muscles permit electrical impulses to be conducted rapidly
D) Myelinated nerve fibres are found in grey matter of the central nervous system

Among the above, identify incorrect statements

MEDIUM

Match the type of cells in Column I with the organs they are part of, listed in Column II:

  Column I   Column II
P. Chondroblast i. Bone
Q. Osteoclast ii. Brain
R. Microglia iii. Cartilage
S. Pneumocyte iv. Lung

Choose the CORRECT combination.

HARD
Which type of tissue is correctly paired with its location?
MEDIUM

Which one of the following is incorrect regarding WBCs?

(a) Monocytes migrate from the bloodstream to other tissues and differentiate into tissue-resident macrophages, Kupffer cells in the liver.

(b) Eosinophils modulate allergic inflammatory responses.

(c) Basophils release histamine for inflammatory response.

(d) Natural killer cells are a type of phagocytic erythrocytes.

EASY
The decreasing percentage of proportions of leucocytes in human blood is:
MEDIUM

Match the following:

Column I Column II
A. Astrocytes 1. Resting macrophages.
B. Microglia 2. Precursors of the myelin sheath.
C. Oligodendrocytes 3. Set of currents in cerebrospinal fluid.
D. Ependymal cells. 4. Protects neurons of the brain from toxins.
EASY
The tissue with the power of division and regeneration, throughout life, is _________.
MEDIUM
‘Purpura’ which is associated with bleeding disorders is due to