The attachment of skeletal muscles to bones and that of one bone to another is due to :

(1) Ligaments and tendons

(2) Tendons and ligaments

(3) Cartilage and tendon

(4) Osteocytes and cartilage

Subtopic:  Animal Tissue: Muscle Types & Skeletal Muscles |
 88%
From NCERT
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Fill up the blanks in the following statement with the appropriate option.

In all the connective tissue, except ___A_____, the cells secrete fibres of structural proteins called as ____B______.

(1) A: cartilage, B: mast cells

(2) A: blood, B: macrophage

(3) A: blood, B: elastin or collagen

(4) A: cartilage, B: chondrocytes

Subtopic:  Connective Tissue |
 93%
From NCERT
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Which among the following is responsible for cementing action to keep adjacent cells together ?

(1) Cell junctions

(2) Adhering junctions

(3) Communication junctions

(4) Gap junctions

Subtopic:  Glandular Epithelium & Cell Junction |
 92%
From NCERT
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Which epithelium is present in inner lining of ducts of salivary glands and of pancreatic ducts ?

(1) Ciliated epithelium

(2) Compound epithelium

(3) Columnar epithelium

(4) Squamous epithelium

Subtopic:  Compound & Specialised Epithelium |
 71%
From NCERT
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Which among the following difference is incorrect between bone and cartilage ?

Option  

Bone

Cartilage

1.

Hard and pliable

Solid and non-pliable

2.

Composed of osteocytes

Composed of chondrocytes

3.

Present in spaces called as lacunae

Enclosed in small cavities within matrix secreted by them

4.

In adults, bone > cartilage

In vertebrate embryo, cartilage > bone

Subtopic:  Connective Tissue |
 73%
From NCERT
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Complete the following analogy regarding reproductive system of cockroach :-

Testes : IV-VI abdominal segments : : Ovaries : ____ abdominal segments

(1) II-VI

(2) III-VI

(3) II-VIII

(4) IV-VI

Subtopic:  Cockroach: Female Reproductive System |
 82%
From NCERT
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Complete the following analogy :-

Vertebrates : Brain : : Cockroach : ___________

(1) Lower-oesophageal ganglion

(2) Supra-oesophageal ganglion

(3) Nephrocytes

(4) Ommatidia

Subtopic:  Cockroach: Nervous System |
 90%
From NCERT
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The hard chitinous exoskeleton of cockroach has sclerites which are called as:

Options  

Dorsally

Ventrally

(1)

sternites

tergites

(2)

Arthrodial membrane   

pleura

(3)

tergites

sternites

(4)

pleura

sternum

Subtopic:  Cockroach: Intro & External Morphology |
 82%
From NCERT
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The triangular head of cockroach is made by fusion of how many segments :

(1) Three

(2) Five

(3) Nine

(4) Six

Subtopic:  Cockroach: Head & Mouth Parts |
 81%
From NCERT
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Label A, B, C, D and E in the following figure :-

(1) Labium, mandible, hypopharynx, maxilla, labrum

(2) Labrum, hypopharynx, maxilla, mandible, labium

(3) Labrum, mandible, hypopharynx, maxilla, labium

(4) Labium, maxilla, hypopharynx, labium, mandible

Subtopic:  Cockroach: Head & Mouth Parts |
 75%
From NCERT
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