Study the given flow chart carefully.
Select the option which correctly identifies P, Q, R
Which of the following methods is used to separate insoluble impurities from water as shown in given figure?
CSedimentation and decantation
DBoth A and B
Given statements represent various steps of agriculture. Arrange these steps in correct sequence of growing plants for food production.
1. Seeds are sown
2. Crops are watered
3. Pesticides are sprayed on crops
4. The field is ploughed
5. The crops are harvested
6. Manure is added to the soil
A1 → 6 → 3 → 2 → 4 → 5
B4 → 6 → 1 → 2 → 3 → 5
C6 → 4 → 1 → 3 → 2 → 5
D2 → 5 → 3 → 1 → 4 → 6
it can be c also
In an experiment, two potato slices were taken and an iodine solution was put on cut sides of a slice. An iodine solution turned into bluish-black colour. What can you conclude from this experiment?
A Potato leaves have stomata on their surface.
B Potato roots absorb water and mineral from soil.
C Potato stores food in form of starch.
D Potato plant stores food in stem.
Which of the following is INCORRECT regarding the parts labelled as P, Q, R and S?
AR - protects heart and lungs
BQ - protects the spinal cord
CP - encloses the brain
DS - longest bone
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