BIOLOGY M.C.Q (1 Marks)

Krebs' cycle takes place in:

In which one of the following do the two names refer to one and the same thing?

The major reason that glycolysis is not as energy productive as respiration is that.

Which of the following is the first step of glycolysis?

Krebs cycle occurs in.

The respiratory quotient during cellular respiration would depend on:

What is the similarity between glycolysis and Krebs cycle?

The end product of oxidative phosphorylation is:

Mitochondria are called powerhouses of the cell. Which of the following observations support this statement?

A characteristic of drupe is:

Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is know as

Which one is removed from substrate during glycolysis:

The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of:

Angiosperm pollen is generally released at the:

Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as:

When one glucose molecule is completely oxidised, it changes.

Harden and Young's ester is formed during glycolysis from:

Which of the following is a biological uncoupler of oxidative phosphorylation?

In alcoholic fermentation.

Anaerobic respiration normally occurs in:

End product of glycolysis is:

A mutant cell lacking mitochondria will show.

Alternate name for Krebs cycle is:

One of the following is common to glycolysis as well as Krebs cycle in eukaryotes.

The most common respiratory substrate is:

In which of the following, respiration takes place in absence of oxygen?

The end product of fermentation in yeast other than energy are:

The significant morphological feature of passion flower is the presence of.

Respiratory enzymes are located in:

Which is the location for electron transport system?

During fermentation which is another product other than ethanol?

Oxidative phosphorylation involves simultaneous oxidation and phosphorylation to finally form.

Hexose monophosphate shunt does not take place when.

The product formed by malic acid dehydrogenase is:

Mitochondria supply most of the necessary biological energy by:

Quantasomes are found in.

Fermentation products of yeast are.

In mitochondria, cristae act as a site for:

The complete oxidation of pyruvate take place in:

During the early stages of alcoholic fermentation there is a high rate of growth of yeast. After some time the rate decreases. Which of the following conditions in the culture medium is least likely to have caused this?

Substrate level phosphorylation occurs in:

Which is the location for Kreb's cycle?

Which of the following is a direct oxidation pathway being performed without glycolysis?

Foul smell in the water of tanks, ponds etc., is due to:

Enzymes of citric acid cycle or Kreb's cycle occur in:

The ultimate electron acceptor of respiration in an aerobic organisms is:

Mechanism of aerobic respiration was discovered by:

Glycolysis occurs in:

Krebs cycle takes place in the:

End products of aerobic respiration are.

Ethanol is formed from acetaldehyde by an enzyme called:

The term 'fermentation' was coined by?

Phosphorylation of glucose during glycolysis is catalysed by:

Aleurone layer takes part in.

Krebs cycle takes place in the:

Fermentation is anaerobic production of:

Number of carbons in pyruvic acid is:

Which one is a product of aerobic respiration?

Common enzyme in glycolysis and pentose phosphate pathways is:

Site of respiration in bacteria is:

Which of the following is a product of lactic acid fermentation?

Which of the following is not true for oxidative phosphorylation?

The site of glycolysis in a cell is:

Which one of the following describes the spikelet of a cereal or grass plant.

End product of fermentation of sugars is:

Respiratory quotient of carbohydrates is:

Phosphoglyceraldehyde and dihydroxy acetone phosphate are:

Krebs cycle is a type of:

Which of the following forms the connecting link between glycolysis and Kreb's cycle?

The organism in which the Krebs cycle does occur in mitochondria is:

In glycolysis, during oxidation electrons are removed by.

Which of the following is an important intermediate found in all the types of respiration?

Aerobic respiratory pathway is appropriately termed:

Which of the following is widely accepted to respire in absence of oxygen?

Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition it forms:

Herkogamy is a contrivance for:

How much energy is produced after respiration of one molecule of glucose?

What is the end product of glycolysis of a glucose molecule.

Amino acids are mostly synthesized from.

Final electron acceptor in oxidative phosphorylation is:

End product of glycolysis is:

Choose the correct answers from the alternatives given: In certain organisms and under certain conditions, which of the following can be used as an energy alternative to glucose:

Oxidative phosphorylation is production of.

In animal cells, the first stage of glucose break down is:

In order for glucose to be used as an energy source, it is necessary that:

Enzyme helping in oxidative decarboxylation of pyruvic acid is:

Life without air would be.

Which of the following is utilized first in respiration?

Which of the following processes make direct use of oxygen?

The final electron acceptor in electron transport chain is:

Malacophily means.

Terminal cytochrome of respiratory chain which donates electrons to oxygen is:

Production of alcohol by yeast fermentation is:

Which of the following exhibits the highest rate of respiration?

Number of oxygen molecules required for glycolytic breakdown of one glucose molecule is:

Link between glycolysis, Krebs cycle and poxidation of fatty acid or carbohydrate and fat metabolism is:

Which of the following is produced by fermentation?

Which is the end product of glycolysis?

Most common mineral activator of glycolytic enzymes is: