Q. No.The terms for ‘summer sleep’ and ‘winter sleep’ seen in frogs respectively are:
| 1. | Aestivation and Hibernation |
| 2. | Hibernation and Aestivation |
| 3. | Diapause and Cryptobiosis |
| 4. | Cryptobiosis and Diapause |
Subtopic: Frogs |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The correct taxonomic position of Rana tigrina would be:
| I: | Phylum | Chordata |
| II: | Subphylum | Vertebrata |
| III: | Superclass | Gnathostomata |
| IV: | Class | Tetrapoda |
| 1. | I and II only | 2. | III and IV only |
| 3. | I and III only | 4. | II and IV only |
Subtopic: Frogs |
78%
Please attempt this question first.
Hints
Consider the given two statements:
| Assertion (A): | Frogs have the capability to change the colour and resemble their surroundings. |
| Reason (R): | They are poikilothermous animals. |
| 1. | (A) is True but (R) is False |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | Both (A) and (R) are True and (R) correctly explains (A) |
| 4. | (A) is False but (R) is True |
Subtopic: Frogs | Frogs: Morphology |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The most common species of frog found in India is:
| 1. | Rana temporaria | 2. | Rana tigrina |
| 3. | Bufo bufo | 4. | Bufo melanostictus |
Subtopic: Frogs |
97%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Frogs are beneficial for mankind because:
| 1. | they are an important source of food all over the world. |
| 2. | toxins derived from them can cure many human ailments. |
| 3. | while burrowing, they loosen soil in arid environments making the soil highly fertile. |
| 4. | they eat insects and protect the crop. |
Subtopic: Frogs | How Frogs are Beneficial for Mankind? |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
| I: | have a constant body temperature and are warm blooded. |
| II: | have the ability to change the colour to hide them from their enemies (camouflage). |
| III: | are not seen during peak summer and winter. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion (A): | The gastro-intestinal tract of Rana tigrina is short in length. |
| Reason (R): | Rana tigrina is a carnivore. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Frogs |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Assertion (A): | Many environmental scientists believe amphibians, including frogs, are good biological indicators of broader ecosystem health. |
| Reason (R): | These organisms have intermediate positions in food chains, have permeable skins, and typically have biphasic lives (aquatic larvae and terrestrial adults). |
| 1. | (A) is True but (R) is False |
| 2. | Both (A) and (R) are True and (R) explains (A) |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are True but (R) does not explain (A) |
Subtopic: Frogs | Frogs: Morphology |
84%
Please attempt this question first.
Hints
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | Frogs are at their most vulnerable to predators when they are undergoing metamorphosis. |
| Reason (R): | At this time, the tail is being lost and locomotion by means of limbs is only just becoming established. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Frogs | Frogs: Morphology |
68%
Please attempt this question first.
Hints
What is correct regarding the skin of frog [Rana tigrina]?
| 1. | It is dry with scales. |
| 2. | The colour of ventral side of body is generally olive green with dark irregular spots. |
| 3. | On the dorsal side the skin is uniformly pale yellow. |
| 4. | The frog never drinks water but absorbs it through the skin. |
Subtopic: Frogs |
88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
© 2024 GoodEd Technologies Pvt. Ltd.