STD 11 - 4. Animal kingdom — BIOLOGY STD 11 Science — Question

$I.$ Ventillation in humans is an active process

$II.$ Diaphragm helps in generating the pressure gradient in the lungs

Choose the correct option

$(1)$ Carbohydrates are generally used as substrates for respiration.

$(2)$ Fatty acids first can degraded into acetyl $Co$ $A,$ which enter into the respiratory pathway.

$(3)$ In case of proteins, they are first broken down into amino acids which later converted in pyruvic acid and enter respiratory pathway

$ (4)$ The respiratory pathway is involved in both anabolism and catabolism.

$(5)$ Glycerol would enter the pathway after being converted to $PGAL. $

Statement $I$: Mitochondria and chloroplasts both double membranes bound organelles.

Statement $II$: Inner membrane of mitochondria is relatively less permeable, as compared chloroplast.

In the light of the above statements, choose the mis appropriate answer from the options given below: