KA2000

The plasma membrane of an animal cell is composed of

The plasma membrane of an animal cell is composed of Options (a) proteins, lipids and polysaccharides (b) proteins, lipids and…

The formula of chlorophylla is

The formula of chlorophyll-a is Options (a) C₅₆H₇₀O₆N₄ Mg (b) C₅₅H₇₂O₆N₄ Mg (c) C₅₅H₇₂O₅N₄ Mg (d) C₅₂H₇₀O₅N₄ Mg Correct Answer:…

Ion carriers are located in

Ion carriers are located in Options (a) cellular space (b) nucleus (c) plasma membrane (d) cell wall Correct Answer: plasma…

In which of the following plant type is osmotic pressure the highest

In which of the following plant type is osmotic pressure the highest? Options (a) Mesophytes (b) Xerophytes (c) Halophytes (d)…

Emerson effect is associated with

Emerson effect is associated with Options (a) respiration (b) transpiration (c) salt absorption (d) photosynthesis Correct Answer: photosynthesis Explanation: Emerson…

Which of the following molecules has the largest root mean square velocity at 25°C

Which of the following molecules has the largest root mean square velocity at 25°C Options (a) NH₃ (b) SO₂ (c)…

A helium, molecule is two times heavier than a hydrogen molecule at 298 K

A helium, molecule is two times heavier than a hydrogen molecule at 298 K. The average kinetic energy of a…

The oxidation of one NADH₂ yields

The oxidation of one NADH₂ yields Options (a) 3 ATP (b) 18 ATP (c) 2 ATP (d) 6 ATP Correct…

The reaction of glycolysis occur in

The reaction of glycolysis occur in Options (a) mitochondria (b) cytoplasm (c) Golgi complex (d) ribosomes Correct Answer: cytoplasmExplanation:No explanation…

H₂O₂ reduces MnO₄⁻ ion to

H₂O₂ reduces MnO₄⁻ ion to Options (a) Mn³⁺ (b) Mn²⁺ (c) Mn⁻ (d) Mn⁺ Correct Answer: Mn²⁺ Explanation: 2MnO₄⁻ +…