Which of the following events does not occur in photosynthesis?(a) conversion of light energy into chemical energy(b) reduction of carbon dioxide to carbohydrates(c) oxidation of carbon to carbon dioxide(d) absorption of light energy by chlorophyll

Academic Biology NCERT Class 10

Correct Answer: (c) Oxidation of carbon to carbon dioxide

Explanation: Carbon dioxide is reduced to form carbohydrates.

Tutorialspoint

e

Updated on: 24-Mar-2023

35 Views

Name the devices or machines which convert:(a) Mechanical energy into electrical energy.(b) Chemical energy into electrical energy.(c) Electrical energy into heat energy.(d) Light energy into electrical energy.(e) Electrical energy into light energy.
The breakdown of pyruvate to give carbon dioxide, water and energy takes place incytoplasm.chloroplast.mitochondria.nucleus.
Carbon exists in the atmosphere in the form of(a) carbon monoxide only(b) carbon monoxide in traces and carbon dioxide(c) carbon dioxide only(d) coal
Which component of air helps glucose to break down into alcohol, carbon dioxide and energy during anaerobic respiration?
One of the following does not contribute in producing acid rain. This one is:(a) sulphur dioxide (b) carbon dioxide (c) nitrogen oxides (d) carbon monoxide
Which of the following is the correct statement?(a) heterotrophs synthesize their own food(b) heterotrophs utilize solar energy for photosynthesis(c) heterotrophs do not synthesize their own food(d) heterotrophs are capable of converting carbon dioxide and water into carbohydrates
The most poisonous product formed by incomplete combustion of fossil fuels is(a) Carbon dioxide (b) Nitrogen dioxide(c) Carbon monoxide (d) Sulphur dioxide
In photosynthesis process, solar energy is converted into which energy?(a) Carbohydrate energy(b) Growth energy(c) Chemical energy(d) Physical energy
The oxygen liberated during photosynthesis by green plants comes from:(a) glucose (b) water (c) carbon dioxide (d) chlorophyll
Which of the following energy change involves frictional force? (a) chemical energy to heat energy(b) kinetic energy to heat energy(c) potential energy to sound energy (d) chemical energy to kinetic energy
The chemical which can be used to separate a mixture of carbon powder and sulphur powder successfully is :(a) carbon dioxide (b) hydrochloric acid(c) hydrogen sulphide (d) carbon disulphide
Which of the following raw materials is available in the air for photosynthesis?(a) Oxygen(b) Carbon dioxide(c) Nitrogen(d) Hydrogen
If 3g of carbon burns in 8g oxygen to produce 11g of carbon dioxide. Then how much carbon dioxide will be produced if 12g of carbon burnt in 32g of oxygen? Which law of chemical combination will govern your answer?
Why does plants take carbon dioxide not oxygen?
How does exercise affect the rate of carbon dioxide production?

Kickstart Your Career

Get certified by completing the course

Get Started

Advertisements