Select Question Set:
Q. No.Frogs exhibit sexual dimorphism. Male frogs can be distinguished from the females by the presence of:
I:
sound producing vocal sacs which are absent in female frogs.
II:
a copulatory pad on the first digit of the hind limbs which is absent in female frogs.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Frogs: Anatomy (Male Reproductive System) | Frogs: Anatomy (Female Reproductive System) |
67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Frogs respire on land and in water by two different methods:
| Statement I: | In water, skin acts as aquatic respiratory organ (cutaneous respiration). |
| Statement II: | On land, the buccal cavity, skin and lungs act as the respiratory organs. |
| 1. | Statement I is correct, Statement II is correct |
| 2. | Statement I is incorrect, Statement II is correct |
| 3. | Statement I is correct, Statement II is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect |
Subtopic: Frogs: Anatomy (Respiratory System) |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The single ventricle in the heart of a frog:
| 1. | opens into a sac-like conus arteriosus on the dorsal side of the heart. |
| 2. | opens into a sac-like conus arteriosus on the ventral side of the heart. |
| 3. | opens into a dilated chamber sinus venosus on the ventral side of the heart. |
| 4. | opens into a dilated chamber sinus venosus on the dorsal side of the heart. |
Subtopic: Frogs: Anatomy (Circulatory System) |
74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Sinus venosus in the heart of a frog:
| I: | joins the left atrium |
| II: | pumps blood into the major arteries |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Frogs: Anatomy (Circulatory System) |
53%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Heart of a frog:
| I: | has three chambers |
| II: | is a muscular pump |
| III: | is covered by pericardium |
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) |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Frogs: Anatomy (Excretory System) |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
How many of the given statements regarding the anatomy of frogs are correct?
| A: | Kidneys are situated a little posteriorly in the body cavity on both sides of the vertebral column. |
| B: | Each kidney is composed of several structural and functional units called uriniferous tubules or nephrons. |
| C: | Two ureters emerge from the kidneys in male frogs, where the ureters act as urinogenital ducts that open into the cloaca. |
| D: | In females, the ureters and oviduct open separately in the cloaca. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Frogs: Anatomy (Excretory System) |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Frogs: Anatomy (Nervous System) |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Unlike human brain, which of the following structure is not a feature of a frog’s brain?
| 1. | Cerebellum | 2. | Pons varolii |
| 3. | Medulla oblongata | 4. | Olfactory lobes |
Subtopic: Frogs: Anatomy (Nervous System) |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The forebrain of frog does not include:
| 1. | olfactory lobes | 2. | cerebral hemispheres |
| 3. | diencephalon | 4. | cerebellum |
Subtopic: Frogs: Anatomy (Nervous System) |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.