- 1(current)
Q. No.A male frog can be distinguished externally from a female frog by all of the following features except
| a: | Presence of sound producing vocal sacs |
| b: | Presence of copulatory pad on the first digit of the forelimbs |
| c: | Ureters carry both sperms and urine in male frog |
| d: | Testes are adhered to the upper part of kidneys by a double fold of peritoneum called mesorchium |
| 1. | a, b, c and d | 2. | a and b only |
| 3. | a, b and c only | 4. | c and d only |
Subtopic: Â Frogs: Morphology |Â Frogs: Anatomy (Excretory System) |Â Frogs: Anatomy (Male Reproductive System) |Â Frogs: Anatomy (Female Reproductive System) |
 50%
Level 3: 35%-60%
Hints
Which of the following is incorrect statement about frog?
| 1. | Body is divisible into head and trunk |
| 2. | The skin is moist without scales |
| 3. | A tympanum represents the ear |
| 4. | Fore limbs have four digits with webs and hind limbs have five digits without webs |
Subtopic: Â Frogs: Morphology |
 85%
Level 1: 80%+
Hints
The biological adaptation that allows frogs to obtain water for their survival during conditions of water scarcity is the
| 1. | presence of a modified tongue that acts like a sponge to suck water from damp soils. |
| 2. | presence of water channels in the skin by which they absorb water from their surroundings. |
| 3. | presence of ciliated esophagus that helps in separating water from ingested particulate matter. |
| 4. | selective feeding on plants with a large amount of water that would fulfill the water requirement. |
Subtopic: Â Frogs |Â Frogs: Morphology |
 86%
Level 1: 80%+
Hints
Subtopic: Â Frogs: Morphology |
 83%
Level 1: 80%+
Hints
Regarding skin of the frog, incorrect statement is:
| 1. | It is made of the epidermis and the dermis |
| 2. | Mucous glands are present in the dermis and open at the surface |
| 3. | It is soft, moist and slimy |
| 4. | It is covered by scales |
Subtopic: Â Frogs: Morphology |
 77%
Level 2: 60%+
Hints
Subtopic: Â Frogs: Morphology |
 89%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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