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…
4 years ago
KA2000
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:…
4 years ago
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…
4 years ago
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)…
4 years ago
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…
4 years ago
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)…
6 years ago
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…
6 years ago
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…
6 years ago
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…
6 years ago
H₂O₂ reduces MnO₄⁻ ion to
H₂O₂ reduces MnO₄⁻ ion to Options (a) Mn³⁺ (b) Mn²⁺ (c) Mn⁻ (d) Mn⁺ Correct Answer: Mn²⁺ Explanation: 2MnO₄⁻ +…
6 years ago