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Cells consist of many organelles, yet we do not call any of these organelles as structural and functional unit of living organisms
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0
|
5545
|
March 24, 2018
|
|
Explain why chloroplasts are found only in plant cells
|
|
0
|
14847
|
March 24, 2018
|
|
‘Cells are the basic structural units of living organisms’
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0
|
15329
|
March 24, 2018
|
|
Draw the monosaccharide present in DNA. Draw the sugar in its ?-furanose form
|
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0
|
4635
|
March 24, 2018
|
|
Where are chromosomes found in a cell? State their function
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0
|
3588
|
March 24, 2018
|
|
Make a sketch of the human nerve cell. What function do nerve cells perform?
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0
|
12391
|
March 24, 2018
|
|
Every force has one and only one 3rd law pair force. true or false
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0
|
1601
|
March 24, 2018
|
|
Classify each of the following as an electrophile or a nucleophile
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|
0
|
6736
|
March 24, 2018
|
|
The U.S. Bureau of Labor Statistics released its Consumer Expenditures report in October 2008
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|
0
|
445
|
March 24, 2018
|
|
Nitric oxides, NO and NO2, contribute to air pollution, acid rain, and the depletion of the ozone layer
|
|
0
|
798
|
March 24, 2018
|
|
Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide
|
|
0
|
17712
|
March 24, 2018
|
|
Consider an amphoteric hydroxide, M(OH)2(s), where M is a generic metal
|
|
0
|
1298
|
March 24, 2018
|
|
In this exercise, we synthesize vanillyl alcohol from vanillin by dissoliving the vanillin in aqueous base
|
|
0
|
836
|
March 24, 2018
|
|
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school
|
|
0
|
3916
|
March 23, 2018
|
|
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train
|
|
0
|
16028
|
March 23, 2018
|
|
A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum?
|
|
0
|
2011
|
March 23, 2018
|
|
With the help of an activity, explain how will you measure the time period of a simple pendulum
|
|
0
|
4325
|
March 23, 2018
|
|
Figure shows the distance-time graph for the motion of two vehicles A and B. Which one of them is moving faster?
|
|
0
|
8655
|
March 23, 2018
|
|
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 a.m
|
|
0
|
7494
|
March 23, 2018
|
|
Boojho goes to the football ground to play football
|
|
0
|
2688
|
March 23, 2018
|
|
Distance between Bholu’s and Golu’s house is 9 km
|
|
0
|
4560
|
March 23, 2018
|
|
What are adaptations? Explain the types of adaptations
|
|
0
|
1299
|
March 23, 2018
|
|
Given below as figure is the distance-time graph of the motion of an object
|
|
0
|
3704
|
March 23, 2018
|
|
What can be understood by the term ‘migration’?
|
|
0
|
2103
|
March 23, 2018
|
|
Rainforests offer hospitable climatic conditions to support huge population of animals. Explain how
|
|
0
|
2414
|
March 23, 2018
|
|
Show the shape of the distance-time graph for the motion in the following cases
|
|
0
|
7301
|
March 23, 2018
|
|
Differentiate between: Weather and climate Humidity and rainfall Climates of polar region and tropical rainforest Maximum and minimum temperatures of the day
|
|
0
|
8809
|
March 23, 2018
|
|
Suppose the two photographs, shown in figures given below
|
|
0
|
941
|
March 23, 2018
|
|
Following are some of the characteristics of animals:
|
|
0
|
5912
|
March 23, 2018
|
|
Classify the following as motion along a straight line, circular or oscillatory motion
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|
0
|
809
|
March 23, 2018
|