Which of the following statement is incorrect with respect to cockroach?

1. The exoskeleton of each segment consists of four plate-like pieces called sclerites

2. Labium bears tactile and gustatory sensory setae

3. In cockroach, malpighian tubules, fat bodies, nephrocytes, cuticle, and uricose glands (in some species) Helps in excretion

4. Internally mesenteron is lined by cuticle and covered by a very thin and transparent peritrophic membrane

Subtopic:  Cockroach: Digestive System |
From NCERT
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Anal cerci are paired, jointed outgrowth found in cockroach. These arise from

1. 9th sternum

2. 10th tergum

3. 9th tergum

4. 8th tergum

Subtopic:  Cockroach: Intro & External Morphology |
 75%
From NCERT
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Which of the following is correct with respect to cockroach?

a. Internally mesenteron is lined with cuticle

b. In abdomen eight pair of spiracles are present

c. All sperms of seminal vesicle are glued together into spermatophore

d. Malphigian tubules are present at the junction of midgut and hindgut

1. a, b & c

2. a & b

3. b & d

4. b, c & d

Subtopic:  Cockroach: Respiratory System | Cockroach: Excretory System | Cockroach:Male Reproductive System |
 78%
From NCERT
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On an average female cockroach produce ________ oothecae, each containing ________ eggs.

(1) 9-10, 14-16

(2) 14-16, 9-10

(3) 2-4, 10-12

(4) 6-8, 8-10

Subtopic:  Cockroach: Female Reproductive System |
 86%
From NCERT
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Tegmina arises from

(1) Prothorax

(2) Mesothorax

(3) Metathorax

(4) Neck region between head and thorax

Subtopic:  Cockroach: Intro & External Morphology |
 80%
From NCERT
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Dense irregular connective tissue with fibroblasts and many fibres (mostly collagen) that are oriented irregularly are found in

1. Tendon

2. Ligament

3. Dermis of skin

4. Blood

Subtopic:  Connective Tissue |
 84%
From NCERT
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Which of the following statement is correct with reference to the cockroach eye?

1. Both eyes together consist of about 2000 hexagonal ommatidia

2. Its vision has more sensitivity but less resolution

3. Mosaic vision is not found due to diurnal habit

4. Compound eyes are situated at the vertex region of the head

Subtopic:  Cockroach: Compound Eye |
 76%
From NCERT
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Which of the following is incorrect?

1. White adipose tissue - Adipocytes with single large fat droplet

2. Areolar tissue - Loose connective tissue

3. Fibroblasts cell - Synthesis of collagen

4. Dense connective tissue - Bone, cartilage, lymph

Subtopic:  Connective Tissue |
 79%
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The epithelium shown in the following figure is ___________. They are mainly present in the inner surface of hollow organs like ___________

1. Ciliated cuboidal, neck of nephron

2. Ciliated columnar, trachea, loop of Henle

3. Ciliated columnar, bronchioles and fallopian tubes

4. Pseudostratified trachea columnar, trachea and large bronchi

Subtopic:  Simple Epithelium |
 90%
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Loose connective tissue has cells and fibres loosely arranged in a semifluid ground substance. Which of the following can be taken as an example of it?

(1) Areolar tissue

(2) Cartilage

(3) Adipose tissue

(4) Both (1) and (3)

Subtopic:  Connective Tissue |
 87%
From NCERT
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