Distribution of growth in a root by marking it at equal intervals with Indian ink was originally studied by
Options
(a) Wellensick (b) Strasburger (c) Went (d) Nitsch
Correct Answer:
Strasburger
Explanation:
Measurement of […]
Difference between rough and smooth endoplasmic reticulum is that
Options
(a) rough ER has ribosomes (b) smooth ER has ribosomes (c) smooth ER takes part in protein synthesis (d) both has F₁ particles
Correct […]
Food in plants is transported mainly as
Options
(a) starch (b) glucose (c) glycogen (d) sucrose
Correct Answer:
sucrose
Explanation:
Carbohydrates are translocated in the phloem. Analysis of the phloem exudates of sixteen tree […]
Difference between prokaryote and eukaryote lies in
Options
(a) cell size (b) cell shape (c) chemical composition of protoplasm (d) organisation of nuclear material
Correct Answer:
organisation of nuclear material
Explanation:
No explanation available. […]
Folding of inner membrane of mitochondria are called
Options
(a) grana (b) cristae (c) sacs (d) calcium oxalate crystal
Correct Answer:
cristae
Explanation:
No explanation available. Be the first to write the explanation for […]
Dictyosomes are also called
Options
(a) lysosome (b) Golgi body (c) ribosome (d) mitochondria
Correct Answer:
Golgi body
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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 […]
CO₂ fixation in bundle sheath cells occurs in
Options
(a) C₄ plants (b) C₃ plants (c) CAM plants (d) C₄ plants & C₃ plants & CAM plants
Correct Answer:
C₄ plants
Explanation:
In C₄ […]
Flocculation or coagulation of protoplasm is the
Options
(a) interchangeability between sol and gel states (b) ability to scatter that beam of light (c) erratic zig-zag movements of protoplasmic particles (d) ability of protoplasm […]
Flagella with single strand and composed of flagellin is found in
Options
(a) prokaryotes (b) eukaryotes (c) both prokaryotes and eukaryotes (d) none of these
Correct Answer:
prokaryotes
Explanation:
No explanation available. Be the […]
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