Catabolism

Q.

How many molecules of atp are produced in glycolysis?

Q.

Out of 36 ATP molecules produced per glucose molecule during respiration

1. 2 are produced outside mitochondria and 34 inside mitochondria

2. 2 are produced outside glycolysis and 34 during respiratory chain

3. 2 during glycolysis and 34 during Krebs cycle

4. All are formed inside mitochondria

Q.

What is the full form of the EMP pathway?

Q.

What is diffusion? What is its importance?

Q. Which of the following is incorrect about fermentation?

1. In account for partial breakdown of glucose
2. Net gain is only 2 ATP
3. NADH to NAD+ formation reaction is vigorous
4. It occurs in cytoplasm

Q.

The component of stomatal apparatus are

1. Stomata and guard cells

2. Guard cells

3. Stomata and chloroplasts

4. Stomata, guard cells and accessory cells

Q.

Opening and closing of stomata is due to turgidity.

1. True
2. False

Q. Nonsense codons take part in

1. Helping protein synthesis
2. Termination gene message for polypeptide synthesis
3. Initiating gene message for polypeptide synthesis
4. Synthesis of non protein amino acids.

Q.

Under the high power of a microscope, a well-stained leaf peel mount shows nuclei in

1. only guard cells.

2. only epidermal cells.

3. guard cells and epidermal cells both

4. guard cells, epidermal cells and stoma.

Q. For two molecules of glucose, glycolysis uses and produces ATP molecules

Q.

The pores of stomata are surrounded by

1. Cell wall.

2. Cell membrane.

3. Guard cells.

4. All of these

Q.

Dark phase is also called as photochemical phase

1. True
2. False

Q.

What are examples of metabolic pathways?

Q. How many ATPs are formed at the step of glycolysis?

Q. On a resting nerve, what is true?

1. 3Na+ are pumped out for every 2K+ pumped in
2. 3 Na+ are pumped in and 2K+ pumped out
3. Na-K pump stops working
4. There is no Na-K pump

Q.

Which of the following molecules will be used to form oxygen during photosynthesis?

1. PGAL

2. glucose

3. water

4. pyruvate

Q.

The sum total of all the chemical reactions occurring in our body is called

1. catabolism.

2. anabolism.

3. amphibolism.

4. metabolism.

Q. Out of respiration and photosynthesis which is anabolic and which is catabolic process. Why?

Q. Which of the following is a catabolic reaction?

1. Intercellular digestion
2. Intracellular digestion
3. Respiration
4. All of the above

Q.

How much ATP does glycolysis produce?

Q. Which of the following is not metabolised in human body and therefore, used in determining glomerular filtration rate?

1. Insulin
2. Inulin
3. Cellulose xanthate
4. Toxic ketones

Q. What is metabolism and what is its purpose?

Q. In catabolic series of reaction, complex molecules are broken down into smaller molecules releasing

1. Water
2. Energy
3. Oxygen
4. Nutrients

Q.

Which reactions usually release energy that is used to drive chemical reactions.

1. Anabolic
2. Catabolic
3. Photosynthesis
4. None of the above

Q. Balbiani rings are sites of:

1. RNA and protein synthesis
2. Lipid synthesis
3. Nucleotide synthesis
4. Polysaccharide synthesis

Q. During Forceful expiration Atp is released or Atp is utilise?? And Any process to be know as a Active process , Atp utilization is required or Atp production ??

Q. The chemical reaction that some heterotrophs use to metabolize free energy from carbohydrates, lipids and proteins is called

1. Dehydration synthesis
2. Condensation
3. Combustion
4. Hydrolysis

Q. Why are catabolic reactions always exergonic reactions?

Q. Glycogenolysis is a

1. Anabolic reaction
2. Catabolic reaction
3. Both A and B
4. None of the above

Q. Catabolic and anabolic pathways are often coupled in cell because

1. Both the paths have the same energy
2. The free energy released from one pathway is used to drive other
3. The intermediates of a catabolic pathway are used in the anabolic pathway
4. Their enzymes are controlled by their activators and inhibitors.