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Q. No.In cockroach, ommatidia are related to:
1. Excretion and osmoregulation
2. Male reproductive structure
3. Delivery of oxygen to tissues
4. Vision
Subtopic: Cockroach: Compound Eye |
94%
From NCERT
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Consider the following statements about the digestive system of cockroaches and select the correct option:
1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. All statements are correct.
| I: | The alimentary canal of cockroaches consists of a foregut, midgut, and hindgut. |
| II: | The foregut includes the crop and gizzard, which are responsible for food storage and mechanical digestion, respectively. |
| III: | The hindgut is involved in absorption and assimilation of nutrients. |
1. Only I and II are correct.
2. Only I and III are correct.
3. Only II and III are correct.
4. All statements are correct.
Subtopic: Cockroach: Digestive System |
From NCERT
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Where is ciliated epithelium commonly located in the human body?
1. Outer skin
2. Lining of the small intestine
3. Lining of the respiratory tract
4. Lining of the blood vessels
1. Outer skin
2. Lining of the small intestine
3. Lining of the respiratory tract
4. Lining of the blood vessels
Subtopic: Simple Epithelium |
83%
From NCERT
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Identify the correct statement:
| 1. | Fallopian tubes are lined with brush-bordered epithelium. |
| 2. | Proximal convoluted tubule of the nephron is lined by ciliated epithelium. |
| 3. | Areolar tissue is a dense, regular connective tissue. |
| 4. | Skin has dense irregular connective tissue. |
Subtopic: Connective Tissue |
67%
From NCERT
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Which anatomical feature in Rana tigrina distinguishes the hind limbs from the forelimbs in terms of digit count and musculature?
| 1. | Hind limbs end in four digits, forelimbs in five digits |
| 2. | Hind limbs end in five digits, forelimbs in four digits |
| 3. | Hind limbs are smaller and less muscular than forelimbs |
| 4. | Forelimbs end in five digits, hind limbs in four digits |
Subtopic: Frogs |
84%
From NCERT
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Feature, specifically present in male frogs that aids in their vocal communication and reproductive activities, is:
1. Nictitating membrane
2. Webbed digits
3. Tympanum
4. Vocal sacs and copulatory pad
1. Nictitating membrane
2. Webbed digits
3. Tympanum
4. Vocal sacs and copulatory pad
Subtopic: Frogs: Anatomy (Male Reproductive System) |
94%
From NCERT
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Frogs exhibit a special venous connection between the liver and intestine as well as the kidney and lower parts of the body. What is the system connecting the liver and intestine called?
1. Renal portal system
2. Arterial system
3. Hepatic portal system
4. Lymphatic system
1. Renal portal system
2. Arterial system
3. Hepatic portal system
4. Lymphatic system
Subtopic: Frogs: Anatomy (Circulatory System) |
87%
From NCERT
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Which of the following sequences correctly represents the path of food through the alimentary canal starting from the mouth in Rana tigrina?
| 1. | Mouth → Pharynx → Oesophagus → Stomach → Intestine → Rectum → Cloaca |
| 2. | Mouth → Oesophagus → Pharynx → Stomach → Intestine → Cloaca → Rectum |
| 3. | Mouth → Pharynx → Oesophagus → Intestine → Stomach → Rectum → Cloaca |
| 4. | Mouth → Stomach → Oesophagus → Pharynx → Intestine → Rectum → Cloaca |
Subtopic: Frogs: Anatomy (Digestive System) |
84%
From NCERT
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In male frogs, the ureters act as urinogenital ducts. Where do these ducts open into?
1. Gall bladder
2. Cloaca
3. Small intestine
4. Exterior
1. Gall bladder
2. Cloaca
3. Small intestine
4. Exterior
Subtopic: Frogs: Anatomy (Excretory System) |
93%
From NCERT
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The alimentary canal of frogs is short because they are carnivores and hence the length of the intestine is reduced. |
| II: | The liver secretes bile which is stored in the pancreas. |
| III: | Food is captured by the bilobed tongue in frogs. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs: Anatomy (Digestive System) |
69%
From NCERT
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