Select Chapter Topics:
Q. No.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.
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 help maintain ecological balance. |
| Reason (R): | Frogs serve as an important link in the food chain and food web in the ecosystem. |
In the light of the above statements choose the correct answer from the options given below:
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: How Frogs are Beneficial for Mankind? |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the given diagrammatic representation of internal organs of a frog showing the complete digestive system, identify I, II, III, IV:
| I | II | III | IV | |
| 1. | Oesophagus | Liver | Gall bladder | Fat bodies |
| 2. | Pharynx | Liver | Gall bladder | Uricose glands |
| 3. | Buccal cavity | Gall bladder | Liver | Antennal glands |
| 4. | Oesophagus | Gall bladder | Liver | Fat bodies |
Subtopic: Frogs: Anatomy (Digestive System) |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the given diagrammatic representation of internal organs of a frog showing complete digestive system, identify V, VI, VII, VIII:
| V | VI | VII | VIII | |
| 1. | Uterus | Urinary bladder | Rectum | Cloaca |
| 2. | Ureter | Urinary bladder | Rectum | Cloaca |
| 3. | Ureter | Urinary bladder | Cloaca | Rectum |
| 4. | Urethra | Urinary bladder | Cloaca | Rectum |
Subtopic: Frogs: Anatomy (Digestive System) |
75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The figure shows the female reproductive system of a frog. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Ova | Ovary | Ureter | Urinary bladder |
| 2. | Ovary | Oviduct | Ureter | Urinary bladder |
| 3. | Ova | Oviduct | Urethra | Urinary bladder |
| 4. | Ova | Oviduct | Ureter | Cloaca |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The figure shows the male reproductive system of a frog. Identify A, B, C, and D:
| A | B | C | D | |
| 1. | Testis | Vas deferens | Fat bodies | Pituitary gland |
| 2. | Fat bodies | Vasa efferentia | Testis | Adrenal gland |
| 3. | Testis | Vas deferens | Fat bodies | Adrenal gland |
| 4. | Testis | Vasa efferentia | Fat bodies | Adrenal gland |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Twelve pairs of cranial nerves are present in all the following except:
| 1. | Mammals | 2. | Birds |
| 3. | Reptiles | 4. | Amphibians |
Subtopic: Frogs: Anatomy (Nervous System) |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Frogs: Anatomy (Digestive System) |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Frogs: Morphology |
59%
Please attempt this question first.
Hints
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
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.