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प्रश्न
Select the most appropriate answer.
Milk in the body of mammals is produced by
विकल्प
sweat glands
salivary glands
mammary lands
none of these
उत्तर
mammary lands
APPEARS IN
संबंधित प्रश्न
Differentiate between
insects and crustaceans
State if the following statement is true or false. Correct the statement if it is false.
A tapeworm is a flatworm that lives in the human intestine.
Write a short answer.
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Answer in detail.
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Answer in detail.
List two notable characteristic of birds which is not found in any other group of animals?
Give a reason for the following.
Why do adult amphibians tend to stay near water?
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
Give any one difference between protozoa and Metazoa.
Which group of animals have following characteristics: Body segmented, jointed appendages and compound eyes.
Give an account on the classification of invertebrates with few general features and examples.
