Subject :NSO Class : Class 5
Subject :NSO Class : Class 9
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
The stem juice of the plant shown here is used to make _________.
ARubber
BGum
CSugar
DCooking oil
c
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 7
Read the given statements and select the option that correctly identifies them as true (T) and false (F) ones.
(i) Pepsin is an enzyme secreted in stomach to digest proteins.
(ii) Bile helps in digesting proteins by breaking them into tiny particles.
(iii) A small rounded mass of chewed food at the moment of swallowing is called bolus.
(iv) Pancreas releases its secretions into the small intestine.
| (i) | (ii) | (iii) | (iv) | |
|---|---|---|---|---|
| A | T | F | F | F |
| B | F | T | F | T |
| C | T | F | T | T |
| D | F | F | T | T |
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 7
Read the given statements regarding the various types of reactions.
I. Reaction of sodium chloride with silver nitrate is an example of neutralisation reaction.
II. The process of depositing a layer of chromium on iron is called galvanisation.
III. When baking soda is mixed with lemon juice, bubbles are formed due to evolution of CO2 gas.
IV. Hydrogen gas is evolved when vinegar is added to baking soda.
Select the correct option from the following.
| True statement(s) | False statement(s) | |
|---|---|---|
| A | I, IV | II, III |
| B | I, II, IV | III |
| C | II, III | I, IV |
| D | III | I, II and IV |
chromium is also used in galvanisation