By arc auxanometer, we measure the growth in - Vidyadip

MCQ

By arc auxanometer, we measure the growth in

✓
Elongation
B
Thickness
C
Both $ (a) $ and $(b)$
D
None of the above

✓

Answer

Correct option: A.

Elongation

a
(a)In arc auxanometer actual growth in length of a plant is measured as actual growth
=$\frac{{{\rm{distance}}\,{\rm{travelled}}\,{\rm{by}}\,{\rm{pointer}}\, \times \,{\rm{radius}}\,{\rm{of}}\,{\rm{pulley}}}}{{{\rm{Length}}\,{\rm{of}}\,{\rm{pointer}}\,{\rm{from}}\,{\rm{centre}}\,{\rm{of}}\,{\rm{pulley}}}}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 13. Plant growth and development→STD 11 - 13. Plant growth and development — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The study of fish culture is called:

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor ?

Thorn is a stem structure because it

Which of the following functions is/are not the function $/ s$ of cytokinin?

$I.$ New leaves formation

$II.$ Chloroplast formation in leaves

$III.$ Lateral shoot formation

$IV.$ Adventitious shoot formation

$V.$ Rooting on stem cuttings

Choose the correct option

Which of the following carries glucose from digestive tract to liver

Manifestation of increase in the blood pressure of a person is called

Mitochondrial cristae are sites of:

Which of the following type of tissue is being described by the given statements?

$(i)$ They are named because of their special function of linking and supporting other tissues/organs of the body.

$(ii)$ They include cartilage, bone, adipose and blood.

$(iii)$ They provide strength, elasticity and flexibility to the tissue.

$(iv)$ They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.

Endodermis of dicot stem is also called:

Select the correct statements