Question

Fig. 6.1: Growth of roots in onion
6.1
ctivity
Take two glass jars and fill them with
water.
Now, take two onion bulbs and place
one on each jar, as shown in
Fig. 6.1.
Observe the growth of roots in both the
bulbs for a few days.
Measure the length of roots on day 1,
2 and 3.
On day 4, cut the root tips of the onion
bulb in jar 2 by about 1 cm. After this,
observe the growth of roots in both the
jars and measure their lengths each
day for five more days and record the
observations in tables, like the table
below:
Day 3
Day 4 Day 5​

Answer 1

Answer:

Take two glass jars and fill them with

water.

Now, take two onion bulbs and place

one on each jar, as shown in

Fig. 6.1.

Observe the growth of roots in both the

bulbs for a few days.

Measure the length of roots on day 1,

2 and 3.

On day 4, cut the root tips of the onion

bulb in jar 2 by about 1 cm. After this,

observe the growth of roots in both the

jars and measure their lengths each

day for five more days and record the

observations in tables, like the table

below:

Day 3

Day 4 Day 5