Question
Write down four characters of mammals. Give two examples.

Answer

  1. Mammals are warm-blooded and the most evolved animals of the Animal kingdom.
  2. Body is divisible into head, neck, trunk and tail. Moveable eyelids are present.
  3. Females have milk-producing mammary glands which secrete milk for the nourishment of the young.
  4. Respiration is through lungs only.
Example: Human beings and Monkey.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Four men lift a $250kg$ box to a height of $1m$ and hold it without raising or lowering it. $(a)$ How much work is done by the men in lifting the box? $(b)$ How much work do they do in just holding it? $(c)$ Why do they get tired while holding it? $(g = 10ms^{-2})$
The transportation system of plants is composed of complex permanent tissue. They have their transportation system within themselves. Justify in detail with appropriate diagrams.
Observe the diagram of the cell below answer the following questions.
Image
i. Label the parts of the cell
ii. what function does part 1 perform?
iii. If the organelle 2 is removed from the cell, what effect is it going to make on the functions of the cell?
iv. Identify, whether it is plant cell or animal cell
v. Which structure is called 'Powerhouse of the cells'?
Write any two applications of Archimedes' principle.
A $150g$ ball, travelling at 30m/s, strikes the palm of a player’s hand and is stopped in $0.05$ second. Find the force exerted by the ball on the hand.
What are $(i)$ metals $(ii)$ non-metals, and $(iii)$ metalloids? Give two examples each of metals, non-metals and metalloids.
With the help of flow chart depict five kingdoms classification.
What are the differences between broilers and layers with respect to their purpose of breeding and daily food requirement? What necessary steps have to be taken to prevent the occurrence of infectious diseases in poultry farm?
Why composite fish culture is a preferred method of fish culture? Give one reason.
Describe structure and functions of bone.