Columns of Bertini – in the kidney of mammals are formed as the extension of
Options
(a) Medulla into cortex (b) Cortex into medulla (c) Medulla into pelvis (d) Pelvis into ureter
Correct […]
Abscisic acid treatment results in
Options
(a) Leaf expansion (b) Stem elongation (c) Stomatal closure (d) Root elongation
Correct Answer:
Stomatal closure
Explanation:
ABA inhibits the H⁺ | K⁺ exchange and promotes the […]
Ribosomes were discovered by
Options
(a) Golgi (b) Porter (c) De Robertis (d) Palade
Correct Answer:
Palade
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Photosynthetic pigments in chloroplast are embedded in the membrane of
Options
(a) thylakoids (b) matrix (c) chloroplast envelope (d) photoglobin
Correct Answer:
thylakoids
Explanation:
No explanation available. Be the first to write the […]
Fluid mosaic model of cell membrane was put forward by
Options
(a) Danielli and Davson (b) Singer and Nicolson (c) Garner and Allard (d) Watson and Crick
Correct Answer:
Singer and Nicolson
Explanation:
No […]
Cell wall shows
Options
(a) complete permeability (b) semipermeability (c) differential permeability (d) impermeability
Correct Answer:
complete permeability
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Apparatus to measure rate of respiration and R.Q is
Options
(a) auxanometer (b) Potometer (c) Respirometer (d) Manometer
Correct Answer:
Respirometer
Explanation:
No explanation available. Be the first to write the explanation for […]
Addition of new cell wall particles amongest the existing ones is
Options
(a) deposition (b) apposition (c) Intussusception (d) aggregation
Correct Answer:
Intussusception
Explanation:
No explanation available. Be the first to write the explanation […]
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