The first pair of wings of a cockroach arises from the:

1. Prothorax

2. Mesothorax

3. Metathorax

4. Anal styles

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
 87%
From NCERT
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Which of the following connects the cytoplasm of adjoining epithelial cells?

1. Tight junctions

2. Adhering junctions

3. Gap junctions

4. All of these

Subtopic:  Glandular Epithelium & Cell Junction |
 71%
From NCERT
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Match the columns.

Cloumn ‘A’

Column ‘B’
(a) Tight junctions (i) Macula adherens
(b) Gap junctions (ii) Stop substances
leaking in
columnar epithelium
(c) Inter digitations (iii) Common in
transitional epithelium
(d) Adhering junctions (iv) Rapid transfer
of ions and molecules

          a            b             c              d

1.       i             ii            iii               iv

2.       ii            iv            iii               i

3.       ii            iv             i               iii

4.       ii            i              iii               iv

Subtopic:  Glandular Epithelium & Cell Junction |
 71%
From NCERT
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Tick mark the statement which is not correct with respect to cockroach?

1.  In cockroach the grinding of the food particles is performed by mandibles & gizzard.

2.  Malpighian tabules help in the removal of nitrogenous wastes in the form of urea & ammonia.

3.  Midgut gut of cockroach absorb food.

4.  Main body cavity is called haemocoel.

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
 68%
From NCERT
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Which of the following statement is incorrect regarding frog?
1. Digestive system without salivary gland
2. Respiratory system without intercostals muscles
3. Circulatory system without SA node.
4. Reproductive system without copulatory organs.

Subtopic:  Frogs: Anatomy (Circulatory System) |
From NCERT
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What is true regarding the morphology of Periplaneta americana?

1.  Head is formed by the fusion of 10 segments

2.  Hypopharynx acts as the tongue

3.  The first pair of wings arise from the prothorax

4.  Anal cerci are not seen in females

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
 85%
From NCERT
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Adipose tissue and areolar tissue are consider as

1. Loose connective tissue and dense connective tissue respectively.
2. Dense regular and dense irregular tissue respectively.
3. Both are specialised connective tissue.
4. Both are loose connective tissue.
Subtopic:  Connective Tissue |
 87%
From NCERT
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Mark the incorrect match related to the cockroach:

1. Gizzard →  Grinding the food particle.
2. Malpighian tubule  Absorb uric acid from haemolymph and excreted out through the hindgut.
3. Tegmina Opaque, dark and leathery structure and cover the hind wing when at rest.
4. Collateral gland Formation of ootheca after fertilization in the female genital pouch.

Subtopic:  Cockroach: Excretory System (OLD NCERT) |
 52%
From NCERT
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Bone is a _______ connective tissue, bone cells called ________ are located in spaces called ______.

1. Dense, Osteocytes, Lacunae

2. Specialized, Osteocytes, Lacunae

3. Dense, Osteoblasts, Haversian canal

4. Specialized, Osteoclasts, Haversian canal

Subtopic:  Connective Tissue |
 80%
From NCERT
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Tadpoles can be made to grow in size and become adult by

1. injecting thyroxine hormone

2. feeding the eggs of other frogs

3. injecting gonadotrophic hormones

4. providing them with suitable climatic conditions.

Subtopic:  Frogs: Anatomy (Female Reproductive System) |
 52%
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