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

Subtopic:  Frogs: Anatomy (Male Reproductive System) |
 94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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
Subtopic:  Frogs: Anatomy (Circulatory System) |
 87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

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
Subtopic:  Frogs: Anatomy (Excretory System) |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Consider the given statements:
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
Please attempt this question first.
Hints
Please attempt this question first.

Which of the following respiratory methods is used by frogs when they are in water?
1. Pulmonary respiration
2. Tracheal respiration
3. Branchial respiration
4. Cutaneous respiration
Subtopic:  Frogs: Anatomy (Respiratory System) |
 83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Consider the given statements:
I:  The heart of a frog has three chambers, two atria and one ventricle.
II:  The blood from the heart is carried to all parts of the body by the veins (venous system).
III:  The lymphatic system in frogs consists of lymph, lymph channels, and lymph nodes.

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 (Circulatory System) |
 54%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Consider the given statements:
I:  The control and coordination system in frogs includes both neural system and endocrine glands.
II:  The prominent endocrine glands in frogs include pituitary, thyroid, thymus, pineal body, pancreatic islets, adrenals and gonads.
III:  The brain is divided into fore-brain, mid-brain, and hind-brain.
 
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 (Nervous System) |
 83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

What is the name of the double fold of peritoneum in frogs that adheres the testes to the upper part of the kidneys?
1. Mesovarium
2. Mesentery
3. Mesorchium
4. Mesonephros
Subtopic:  Frogs: Anatomy (Excretory System) |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

In the female reproductive system of frogs, what is the maximum number of ova a mature female can lay at one time?
1. 1000-1500
2. 1500-2000
3. 2000-2500
4. 2500-3000
Subtopic:  Frogs: Anatomy (Female Reproductive System) |
 75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.