Q33 of 79 Page 48

Choose the correct path of urine in our body

Urine formation takes place inside the kidney. Ureter carries urine from kidneys to bladder. Bladder stores the urine temporarily. Then the urine is discharged out of the body through urethra.

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31

Which of the following statement(s) is (are) correct?

1. Pyruvate can be converted into ethanol and carbon dioxide by yeast


2. Fermentation takes place in aerobic bacteria


3. Fermentation takes place in mitochondria


4. Fermentation is a form of anaerobic respiration

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Lack of oxygen in muscles often leads to cramps among cricketers. This results due to

 34

During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the

 35

Name the following:

(1) The process in plants that links light energy with chemical energy
(2) Organisms that can prepare their own food


(3) The cell organelle where photosynthesis occurs


(4) Cells that surround a stomatal pore


(5) Organisms that cannot prepare their own food


(6) An enzyme secreted from gastric glands in stomach that acts on proteins.