Question

(b) Choose the correct answer from each of the four options given below:
(i) A plant cell may burst when :
(a) Turgor pressure equalises wall pressure
(b) Turgor pressure exceeds wall
pressure
(c) Wall pressure exceeds turgor pressure
(d) None of the above.
(ii) The individual flattened stacks of membranous structures inside the chloroplasts are
known as:
(a) Grana
(b) Stroma
(c) Thylakoids
(d) Cristae.
(iii) The nephrons discharge their urine at the :
(a) Urinary bladder
(b) Urethra
(c) Renal pelvis
(d) Renal pyramid.
(iv) Gigantism and Acromegaly are due to :
(a) Hyposecretion of Thyroxine (b) Hyposecretion of Growth hormone
(c) Hypersecretion of Thyroxine (d) Hypersecretion of Growth hormone.
(v) The mineral ion needed for the formation of blood clot is:
(b) Sodium
(a) Potassium
(d) Iron.
[5]
(c) Calcium​

Answer 1

Answer:

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