Which one of the following is the true description of an animal concerned?

1. Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
2. Earthworm – The alimentary canal consists of a sequence of pharynx,
oesophagus, stomach, gizzard, and intestine
3. Frog – Body divisible into three regions -head, neck, and trunk
4. Rat – Left kidney is slightly higher in position than the right one

Subtopic:  Cockroach: Structure of Thorax | Cockroach: Abdomen |
 75%
AIPMT - 2008
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Sense organs of cockroach include

1. Compound eyes

2. Johnston's organ

3. Osphradium

4. Spiracles

Subtopic:  Cockroach: Compound Eye |
 91%
From NCERT
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The central nervous system of cockroach includes

1. Brain and ganglionated dorsal nerve cord

2. Brain and ganglionated ventral nerve cord

3. Brain and hollow nerve cord

4. Dorsal solid nerve cord only

Subtopic:  Cockroach: Compound Eye |
 73%
From NCERT
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In frogs, cloaca receives

1. Faecal matter

2. Gametes

3. Unine

4. All of these

Subtopic:  Cockroach: Respiratory System |
 95%
From NCERT
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Thin tubes that carry oxygen from the air to all the parts in cockroach constitute

1. Tracheal system

2. Haemolymph

3. Lungs

4. Gills

Subtopic:  Cockroach: Respiratory System |
 87%
From NCERT
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In cockroach, foregut comprises of

1. Pharynx, oesophagus, crop and gizzard

2. Mesenteron, crop and gizzard

3. lleum, colon and rectum

4. Pharynx, oesophagus and rectum

Subtopic:  Cockroach: Respiratory System |
 91%
From NCERT
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Exoskeleton of each segment in cockroach consists 

1. Dorsal tergum and a ventral sternum

2. Dorsal sternum and a ventral tergum

3. Sternum only

4. Tergum only

Subtopic:  Cockroach: Respiratory System |
 88%
From NCERT
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Alary muscles play an important role in

1. Circulation of blood

2. Respiration

3. Body movement

4. Peristalsis

Subtopic:  Cockroach: Circulatory System |
 79%
From NCERT
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Which one of the following statements is true for cockroach?

1.  The number of ovarioles in each ovary are ten

2.  The larval stage is called caterpillar

3.  Anal styles are absent in females

4.  They are ureotelic

Subtopic:  Cockroach: Intro & External Morphology |
 90%
From NCERT
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Match the following.

Column I

Column II

A. Hermaphrodite

B. Direct development

C. Chemoreceptor

D. Blood gland in earthworm

1. Produces blood cells and haemoglobin

2. Testis and ovary in the same animal

3. Larval form absent

4. Sense of chemical substances

Codes
 
Options:  A   B   C   D 
1. 2 3 4 1
2. 3 2 4 1
3. 1 3 2 4
4. 2 4 3 1

       

Subtopic:  Cockroach: Circulatory System | Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
 89%
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