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प्रश्न
Frogs are beneficial for mankind, justify the statement.
उत्तर
The reason why frogs are beneficial for both mankind and the environment are as follows:
- Frogs help in preventing damage to crops as they prey upon many insects and pests.
- Frogs form an important link in the food chain by becoming secondary consumers. In this way, frogs form an important component of the ecosystem for maintaining ecological balance.
- Some parts of frogs, i.e., legs are also eaten by man as they are very muscular.
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संबंधित प्रश्न
Draw a neat diagram of digestive system of frog.
Mention the function of the following - Ureters in frog
Respiratory organs of frog are :
Sclerites in cockroach are joined together by:
Match the following and choose the correct option
| Column I | Column II |
| A. Touch | i. Nasal epithelium |
| B. Smell | ii. Foramen magnum |
| C. Cranial nerves | iii. Sensory papillae |
| D. Medulla oblongata | iv. Peripheral nervous system |
Name the process by which a tadpole develops into an adult frog.
The digestive system of frog is made of the following parts. Arrange them in an order beginning from mouth.
Mouth, oesophagus, buccal cavity, stomach, intestine, cloaca, rectum, cloacal aperture
What is the difference between cutaneous and pulmonary respiration?
Special venous connection between liver and intestine and between kidney and intestine is found in frog, what are they called?
Draw a neat and well labelled diagram of male reproductive system of a frog.
