Free Structural Organisation In Animals (Daily Quiz: 4) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Smooth muscle fibres are

(a) Spindle-shaped, unbranched, non-striated, uninucleate and involuntary

(b) Cylindrical, unbranched, striated, multinucleate and Voluntary

(c) Cylindrical, unbranched, non-striated, multinucleate and Involuntary

(d) Spindle-shaped, unbranched, striated, uninucleate and Voluntary

Question-2

In the given diagram of areolar connective tissue, the different cells and parts have been marked by alphabets (A, B, C & D). Choose the answer in which these alphabets correctly match with the parts and cells they indicate.

(a) A-Macrophage, B-Collagen fibres, C-Microfilament, D-Mast cells

(b) A-Adipocyte, B-Collagen fibres, C-Microfilament, D-Mast cells

(c) A-Macrophage, B-Collagen fibres, C-Microtubule, D-RBC

(d) A-Macrophage, B-Fibroblast, C-Collagen fibres, D-Mast cells

Question-3

In mammals, histamine is secreted by

(a) mast cells

(b) lymphocytes

(c) fibroblasts

(d) histiocytes.

Question-4

In all connective tissues, except which of the following, the cells secrete fibres of collagen or elastin protein ?

(a) Cartilage

(b) Bone

(c) Areolar connective tissue

(d) Fluid connective tissue

Question-5

Mineral found in red pigment of vertebrate blood is

(a) iron

(b) magnesium

(c) calcium

(d) copper.