Question

174
A MODEL QUESTION PAPERS: STANDARD 10
Section D
of birds, the fac
were caught
Quest
14What
whic
ced with a reda
comprehend the passage
Here is a scientific exper
which are quite certain. A
their nests at Breme
some of their white feath
passage and answer the given questi
Catic experiment on the homing of hi
Tain. A few years ago seven swallows
len in Germany. They were marked w
e feathers. so that they could easily b
could easily be seen.
ayet
51. Why
is
distance of
22 by aeroplane to Croydon. near
of them
av on
this
82. Hor
53. You
miles (640 km).
The seven swallow
flew be
that look
swallows were set free at Croydon. Five of
ne great puzzle. Il
of direction of
Ton
journey, which they had be
ing. We want
no good saying
eir way, how they
Unfortunates
this question
in which direction to go un
birds find their way o
their nests at Bremen. How did
uch they had never made before ? That is the gre
saying that swallows for dogs) have a sense of die
ords, and explain nothing.
Instinct to go home' These are just wor
know exactly what senses the an
uy what senses the animals use to find their way
direction to go until they can see familiar landmarks
practically no scientific experime
y no scientific experiments have yet been made on th
erhaps migrating birds are the greatest mystery of all. Si
chgland in August and September. and they fly to Africa, whe
during the winter period. The swallows
ere are other birds too that leave England in the lo
the south. A lot has been found out about the journeys of migra
dering the birds with aluminium rings put on one leg An
a number is put on the ring.
of all. Swallows lo
where they s
in the spring
late summer
of migrating bin 55
ntioned in this passage
Questions:
3. Wy were the swallows marked with a red dve? 10
46. What two methods of identifying birds have been mentioned in this
*. What facts about homing or migrating birds are difficult to explain
What phrases are used to describe the 'homing instincts
of birds​

Answer 1

refer to the attached.... pic.

Thank for points......