MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Earn 100
On placing a copper coin in a test tube containing green ferrous sulphate solution, it will be observed that the ferrous sulphate solution.
(a)turns blue, and a grey substance is deposited on the copper coin.
(b)turns colourless and a grey substance is deposited on the copper coin.
(c)turns colourless and a reddish-brown substance is deposited on the copper coin.
(d)remains green with no change in the copper coin.
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Important Questions on Sample Paper 1
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
The formulae of four organic compounds are shown below. Choose the correct option

HARD
10th Uttar Pradesh Board
IMPORTANT
In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.

MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.

MEDIUM
10th Uttar Pradesh Board
IMPORTANT
MEDIUM
10th Uttar Pradesh Board
IMPORTANT
Observe the three figures given below. Which of the following depicts tropic movements appropriately?

MEDIUM
10th Uttar Pradesh Board
IMPORTANT
The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.

MEDIUM
10th Uttar Pradesh Board
IMPORTANT
