PB1995

Which of the following yield ATP during contraction of muscles

Which of the following yield ATP during contraction of muscles? Options (a) myoglobin (b) creatinine phosphate (c) haemoglobin (d) myosin…

The First reaction in photorespiration is

The First reaction in photorespiration is Options (a) carboxylation (b) oxygenation (c) decarboxylation (d) phosphorylation Correct Answer: oxygenationExplanation:While doing studies…

Sleep movements of leaves in some plants are due to

Sleep movements of leaves in some plants are due to Options (a) excess of respiration (b) leaves stop photosynthesis (c)…

PEP is the CO receptor in which plants

PEP is the CO₂ receptor in which plants? Options (a) C₁ (b) C₂ (c) C₃ (d) C₄ Correct Answer: C₄Explanation:CO₂…

The oxidation number of nitrogen in (N₂H₅)⁺ is

The oxidation number of nitrogen in (N₂H₅)⁺ is Options (a) -2 (b) 2 (c) 3 (d) -3 Correct Answer: -2Explanation:No…

If diploid number of chromosomes in a plant is 40, then the number of chromosomes

If diploid number of chromosomes in a plant is 40, then the number of chromosomes in a gamete will be…

Organ of corti is found in

Organ of corti is found in Options (a) heart (b) inner ear (c) kidneys (d) nasal chamber Correct Answer: inner…

When 2-bromobutane reacts with alcoholic KOH, the reaction is called

When 2-bromobutane reacts with alcoholic KOH, the reaction is called Options (a) halogenation (b) chlorination (c) hydrogenation (d) dehydrohalogenation Correct…

The mass of an object changes from 0.002 g to 0.00025 g in a time period

The mass of an object changes from 0.002 g to 0.00025 g in a time period of 1500 years.The half-life…

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume will…