उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए रसायन विज्ञान वर्कशीट

Plants absorb energy from sunlight during photosynthesis. How is photosynthesis classified?

1. ANeutralisation
2. BExothermic
3. CEndothermic
4. DNuclear

What are the building blocks (monomers) of proteins?

1. AAmino acids
2. BSimple sugars
3. CNucleotides
4. DFatty acids

ठोस से सीधे गैस में परिवर्तन को क्या कहते हैं?

1. Aऊर्ध्वपातन (सब्लिमेशन)
2. Bगलन
3. Cसंघनन
4. Dनिक्षेपण (डिपॉज़िशन)

During digestion, large molecules are broken down by adding water across their bonds. What is this reaction called?

1. ACondensation
2. BHydrolysis
3. CPolymerisation
4. DCombustion

How many molecules are in 2 mol of carbon dioxide?

1. A3.01 × 10²³
2. B2.00 × 10²³
3. C1.20 × 10²⁴
4. D6.02 × 10²³

Water can act as an acid in some reactions and as a base in others. What is such a substance called?

1. ANeutral
2. BAmphoteric
3. CSaturated
4. DIsotonic

कौन-सा समस्थानिक संकेतन 8 प्रोटॉन और 10 न्यूट्रॉन वाले परमाणु का वर्णन करता है?

1. Aनिऑन-18
2. Bऑक्सीजन-10
3. Cऑक्सीजन-18
4. Dआर्गन-18

Which coefficients balance the equation for cellular respiration, __C₆H₁₂O₆ + __O₂ → __CO₂ + __H₂O?

1. A1, 3, 6, 6
2. B1, 6, 6, 12
3. C1, 6, 6, 6
4. D2, 6, 12, 6