Observe the given figures A and B. When chhui-mui (sensitive) plant is touched, its leaves fold. This is due to :
Observe the given figures A and B. When chhui-mui (sensitive) plant is touched, its leaves fold. This is due to […]
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Which one of the following statements is not correct for the plants raised by vegetative propagation?
Which one of the following statements is not correct for the plants raised by vegetative propagation?(A) Can bear flowers and
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One-cell thick blood vessels are known as:
One-cell thick blood vessels are known as:(A) Alveoli(B) Capillaries(C) Arteries(D) Veins Correct Answer : Option (B) Capillaries More Questions :
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The number of chromosomes in a cell division is halved. This kind of cell division is observed in:
The number of chromosomes in a cell division is halved. This kind of cell division is observed in:(A) Only testis(B)
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The essential element used in the synthesis of proteins is:
The essential element used in the synthesis of proteins is:(A) Nitrogen(B) Phosphorus(C) Iron(D) Magnesium Correct Answer : Option (A) Nitrogen
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The correct balanced chemical equation showing exothermic reaction in which natural gas burns in air is:
The correct balanced chemical equation showing exothermic reaction in which natural gas burns in air is:(A) CH4+O2→ CO2 + 2H2O(B)
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Two metals zinc and tin are dissolved separately in definite proportions in molten copper (the primary metal) to obtain two different alloys respectively known as:
Two metals zinc and tin are dissolved separately in definite proportions in molten copper (the primary metal) to obtain two
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A few pieces of granulated zinc are taken in a test tube and 2 mL of sodium hydroxide solution is added to it. When the contents are warmed, the product formed is:
A few pieces of granulated zinc are taken in a test tube and 2 mL of sodium hydroxide solution is
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Aluminium powder is used in thermit welding because:
Aluminium powder is used in thermit welding because:(A) Its reaction with iron is highly exothermic.(B) When it is heated with
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The warning sign shown in the given figure must invariably be displayed/pasted on the containers which contain hydroxide of:
The warning sign shown in the given figure must invariably be displayed/pasted on the containers which contain hydroxide of: (A)
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24 फरवरी 2025 का कक्षा 12वीं सामान्य हिन्दी मॉडल पेपर, UP Board Class 12 General Hindi Question Paper 2025
लो मिल गया 24 फरबरी 2025 को आने वाला पेपर | Class 12 General Hindi Model Question Paper 2025 :
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Consider the following food chain: Grass -> Grasshopper -> Frog -> Snake -> Eagle If the amount of energy available at third trophic level is 50 kJ
Consider the following food chain:Grass -> Grasshopper -> Frog -> Snake -> Eagle If the amount of energy available at