Q. 65.0( 4 Votes )
Which of the following statement is incorrect for penguins?
A. They huddle together
B. They cannot swim
C. They have webbed feet
D. They have streamlined body
Penguins have webbed feet and streamlined body makes them good swimmers. They huddle together to keep themselves warm.
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Collect information about the Indian Meteorological Department.
Write a brief report about the things this department does.NCERT Science
Collect weather reports of seven successive days in the winter months (preferably December). Collect similar reports for summer months (preferably June). Now prepare a table for sunrise and sunset time as shown:
[Note : The timings filled here are for the year 2009. Students may fill this with the latest available data.]
Try to answer the following questions:
(i) Is there any difference in the time of sunrise during summer and winter?
(ii) When do you find that sun rises earlier?
(iii) Do you also find that any difference in the time of sunset during the month of June and December?
(iv) When are the days longer?
(v) When are the nights longer?
(vi) Why are the days sometimes longer and sometimes shorter?
(vii) Plot the length of the day against the days chosen in June and December.NCERT Science
Give one example of an animal that can live both in water and on land.NCERT - Exemplar Science
“A fish dies when taken out of water whereas a wall lizard will die if kept under water.” Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.NCERT - Exemplar Science
Given below are some adaptive features of animals:
(i) A layer of fat under the skin
(ii) Long, curved and sharp claws
(iii) Slippery body
(iv) Thick white fur
Which of them are the adaptive features of a polar bear?NCERT - Exemplar Science
Paheli went to a wildlife sanctuary where she saw dense vegetation of trees, shrubs, herbs and also a variety of animals like monkeys, birds, elephants, snakes, frogs, etc. The most likely location of this sanctuary is in the –NCERT - Exemplar Science
Mention two adaptive features of penguin that help it in swimming.NCERT - Exemplar Science
Match the animals mentioned in Column I with their characteristic features given in Column II.
NCERT - Exemplar Science
Choose the odd one from the following options :NCERT - Exemplar Science
Read the following environmental conditions of tropical rain forests.
(i) Hot and humid climate
(ii) Unequal lengths of day and night
(iii) Abundant rain fall
(iv) Abundant light and moisture
Identify the conditions from the above list that are responsible for the presence of a large number of plants and animals in tropical rain forests.NCERT - Exemplar Science