One afternoon Ravi and Mohit were playing in park.All of a sudden, Ravi felt uneasy and started to bleed
through nose. What should Mohit do immediately to
handle the situation?
AHe should blow some warm air on a handkerchief and put it over Ravi’s mouth.
BHe should make Ravi sit on a bench or chair with his head held back.
CHe should block Ravi’s nose with a piece of cloth to stop the bleeding.
DHe should apply some antiseptic within Ravi’s nose using some cotton.
If we live in the plains and suddenly go to high mountain regions, we may experience difficulty in breathing and doing physical exercise for some days. However, after some days, our body adjusts to the changed environmental conditions on mountains.This is an example of ________.
according to the school science book science spark option b is the correct answer.
Select the correct option regarding the senses being used in above given passage.
A Sense of 'd' and 'e' are used to taste and feel a hot cup of coffee.
B Either of the senses 'g' or 'h' has the same function as sense 'f'.
C Sense 'g' and 'h' are used to distinguish between pleasant and loud sound.
D All of these.
I can't see the full diagram on the mobile
With respect to movements in the given animals, select the incorrect statement out of the following.
A Animal Q moves by contraction and expansion of its muscles.
B Animal P bears three pairs of jointed legs on its body which help in its movement.
C Animal R moves in water with the help of its fins and tail.
D Animal P moves with the help of a muscular organ, which makes wave-like movements
Is snail make wave like movement????????????????????
Refer to the given terms.
|(v)||Blood vessels||(vi) Brain|
Select the option which correctly classifies the given terms into cell, tissue and organ.
|A||(i), (ii), (ix)||(iii), (iv)||(v), (vi), (vii), (viii), (x)|
|B||(i), (ii), (iii), (x)||(iv), (v)||(vi), (vii), (viii), (ix)|
|C||(i), (ii), (iv), (ix)||(iii), (v), (vi)||(vii), (viii), (x)|
|D||(i), (ii), (ix)||(iii), (iv), (v)||(vi), (vii), (viii), (x)|
HOW A IS CORRECT???
What is the major difference between a human skin cell and a human egg cell?
A The egg cell has twice as many chromosomes as the skin cell.
B The egg cell has half as many chromosomes as the skin cell.
C The skin cell has no genetic information in its chromosomes.
D Only the egg cell has a nucleus.
Read the given statements and select the correct option.
Statement 1 : While drawing a line on a paper, friction force acts on paper in the same direction along which line is drawn on the paper.
Statement 2 : Friction always opposes motion.
A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.
I don't understand how statement 1 is true