Consider the following statements regarding cockroaches:
I.
Blood transports respiratory gases
II.
Anal styles are absent in females
III.
There are 10 [5 pairs] of spiracles
IV.
Vision with the help of ommatidia is mosaic vision
V.
Development is paurometabolous
The number of correct statements are:
1. 2
2. 3
3. 4
4. 5
Subtopic: Â Cockroach: Intro & External Morphology |Â Cockroach: Compound Eye |Â Cockroach: Female Reproductive System |
 58%
Level 3: 35%-60%
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The diagram shows the chief structural unit of compact (cortical) bone called:
1. Osteocyte
2. Osteoclast
3. Osteon
4. Trabeculae
1. Osteocyte
2. Osteoclast
3. Osteon
4. Trabeculae
Subtopic: Â Connective Tissue |
Level 4: Below 35%
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Study the given diagram regarding the alimentary canal of cockroach and select the correct statements:
1. Only I and II
2. Only I, III and IV
3. Only II
4. Only III and IV
| I: | A is used for storing food |
| II: | B helps in grinding the food particles |
| III: | C help in osmoregulation |
| IV: | D secretes digestive enzymes |
2. Only I, III and IV
3. Only II
4. Only III and IV
Subtopic: Â Cockroach: Digestive System |
 87%
Level 1: 80%+
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Identify the incorrectly matched pair:
| 1. | Ciliated epithelium | Fallopian tubes |
| 2. | Dense irregular connective tissue | Skin |
| 3. | Nissl’s granules | Neuron |
| 4. | Smooth muscle | Intercalated disc |
Subtopic: Â Simple Epithelium |Â Compound & Specialised Epithelium |Â Cardiac Muscle & Smooth Muscle |Â Nervous Tissue |
 82%
Level 1: 80%+
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Regarding nervous system of Cockroach:
1. Most of it is held in the head region.
2. The brain is represented by sub-oesophageal ganglion.
3. It is located on the dorsal side of the body.
4. Compound eyes provide mosaic vision.
1. Most of it is held in the head region.
2. The brain is represented by sub-oesophageal ganglion.
3. It is located on the dorsal side of the body.
4. Compound eyes provide mosaic vision.
Subtopic: Â Cockroach: Nervous System |Â Cockroach: Compound Eye |
 58%
Level 3: 35%-60%
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Simple squamous epithelium is not seen in the lining of:
1. Alveoli
2. Blood capillaries
3. Loop of Henle
4. Proximal convoluted tubule of the nephron
1. Alveoli
2. Blood capillaries
3. Loop of Henle
4. Proximal convoluted tubule of the nephron
Subtopic: Â Simple Epithelium |
 81%
Level 1: 80%+
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On an average a female cockroach produces:
1. 9-10 oothecae , each containing 14-16 eggs
2. 14-16 oothecae , each containing 9-10 eggs
3. 5-6 oothecae , each containing 9-10 eggs
4. 9-10 oothecae , each containing 5-6 eggs
1. 9-10 oothecae , each containing 14-16 eggs
2. 14-16 oothecae , each containing 9-10 eggs
3. 5-6 oothecae , each containing 9-10 eggs
4. 9-10 oothecae , each containing 5-6 eggs
Subtopic: Â Cockroach: Female Reproductive System |
 87%
Level 1: 80%+
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In cockroach:
I. the entire foregut is lined by cuticle
II. haemolymph is composed of colourless plasma and haemocytes
III. opening of spiracles is regulated by the sphincters
IV. fat body, nephrocyte and urecose glands help in excretion
1. Only I and II are correct
2. Only II, III and IV are correct
3. Only II and III are correct
4. I, II, III and IV are correct
I. the entire foregut is lined by cuticle
II. haemolymph is composed of colourless plasma and haemocytes
III. opening of spiracles is regulated by the sphincters
IV. fat body, nephrocyte and urecose glands help in excretion
1. Only I and II are correct
2. Only II, III and IV are correct
3. Only II and III are correct
4. I, II, III and IV are correct
Subtopic: Â Cockroach: Digestive System |Â Cockroach: Respiratory System |Â Cockroach: Circulatory System |Â Cockroach: Excretory System |
 77%
Level 2: 60%+
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Tegmina in cockroach, arises from :
| 1. Prothorax and Mesothorax | 2. Prothorax |
| 3. Mesothorax | 4. Metathorax |
Subtopic: Â Cockroach: Intro & External Morphology |
 74%
Level 2: 60%+
NEET - 2022
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Which of the following is not a connective tissue?
| 1. | Neuroglia | 2. | Blood |
| 3. | Adipose tissue | 4. | Cartilage |
Subtopic: Â Connective Tissue |
 85%
Level 1: 80%+
NEET - 2022
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