L. N. Isayev va P. F. Barovskiy qaysi kasalliklarni tugatishiga asos bo’ldi?

Qushlar sinfi.

1.Qushlarning gavdasi qanday qismlardan tuzilgan?..........................................................................................................

2.Qushlarning oyoq qismining qaysi qismi muguz tangachalar b-n qoplangan?...............................................................
3.Qushlarning patlari tuzulishiga ko’ra necha xil bo’ladi?................................................................................................
4.Kontur patlarga qaysi patlar kiradi?.................................................................................................................................
5.Qushlarning pati qanday qismlardan tashkil topgan?......................................................................................................
6.Pat o’zagidagi birinchi tartibli o’siqchalar qanday joylashgan?......................................................................................
7.Qoplag’ich patlat ostida qanday patlar joylashgan?........................................................................................................
8.Parlar qanday vazifani bajaradi?......................................................................................................................................
9.Qushlarning qaysi patlarida ikkinchi tartibli o’siqchalar bo’lmaydi?..............................................................................
10.Qushlarning skeleti qanday suyaklardan tashkil topgan?..............................................................................................
11.Nima u-n qushlarning skeleti pishiq va mustahkam bo’ladi?........................................................................................
12.Bosh skeleti qanday suyaklardan tashkil topgan?..........................................................................................................
13.Qushlarning bosh skeletidagi qaysi suyaklar harakatchan bo’ladi?..............................................................................
14.Qushlarning qanot kamarini qaysi suyaklar hosil qiladi?..............................................................................................
15.Qushlar uchganda eng ko’p og’irlik qaysi suyakka tushadi?.........................................................................................
16.Qushlar orqa oyoq kamarini qaysi suyaklar hosil qiladi?..............................................................................................
17.Ilik suyagi qaysi suyaklarning birikishidan hosil bo’lgan?...........................................................................................
18.Ko’krak muskullarining uchlari qaysi suyaklarga kelib birlashgan?.............................................................................
19.Qaysi muskullar qisqarganda qanotlar tushiriladi?........................................................................................................
20.Qanotlarini ko’tarishda qaysi muskullar ishtirok etadi?................................................................................................
21.Qushlarning naysimon suyaklari ichi nima b-n to’lgan?...............................................................................................
22.Qushlarning ovqat hazm qilish sistemasining ketma-ketligi?.......................................................................................
23.Qushlar yutadigan mayda toshchalar qanday ahamiyatga ega?.....................................................................................
24.Qushlarning kloakasiga qaysi a’zolarning yo’li ochhiladi?...........................................................................................
25.Qushlar nafas olish sistemasini nima hosil qiladi?........................................................................................................
26.Qushlar bir minutda tinch holatda va uchganda necha marta nafas oladi?...................................................................
27.Qushlarda qaysi sezgi a’zo kuchli rivojlangan?............................................................................................................
28.Qushlarning bosh miyasining qaysi qismida burmalar ko’p bo’ladi?...........................................................................
29.Qushlardagi tug’ma instinkt nima hisoblanadi?............................................................................................................
30.Qushlarning uchib ketish va uchib kelishida qaysi xususiyati katta axamiyatga ega?..................................................
31.Qaysi qushlar ayrim so’zlar va iboralarni eslab qolishi mumkin?................................................................................
32.Qaysi qushlarning jufti bir mavsumda saqlanadi?........................................................................................................
33.Qaysi qushlarning jufti uzoq yillar saqlanadi?..............................................................................................................
34.Qaysi qushlarning jufti vaqtincha saqlanadi?................................................................................................................
35.Qaysi qushlar novda va butoqlarda oddiy kosasimon uya quradi?...............................................................................
36.Qaysi qushlar daraxtlarning kovagiga uya quradi?.......................................................................................................
37.Qaysi qush so’lagi b-n loyni yopishtirib uya quradi?...................................................................................................
38.Qaysi qushlar uya qurmaydi?........................................................................................................................................
39.Qaysi qush yalong’och qoyaga tuxum qo’yadi?............................................................................................................
40.Qush tuxumining tuzilishi?............................................................................................................................................
41.Qaysi qushlar jo’ja ochadi?...........................................................................................................................................
42.Qaysi qushlar jish jo’ja ochadi?....................................................................................................................................
43.Arxeopteriksni sudralib yuruvchilarga xos belgisi?......................................................................................................
44.Qaysi qushlar o’troq qushlar hisoblanadi?.....................................................................................................................
45.Qaysi qush yozda bir oz oziq g’amlaydi?.....................................................................................................................
46.Qaysi qushlar ko’chmanchi qushlar hisoblanadi?..........................................................................................................
47.Qaysi qushlar yoz oyi oxiri yoki erta kuzda uchib ketadi?............................................................................................
48.Qaysi qushlar oziq topolmay qolgandan keyin uchib ketadi?.......................................................................................
49.Qushlarning uchib ketishi va uchib kelishi nima hisoblanadi?......................................................................................
50.Qushlar nima maqsadlarda halqalanadi?.......................................................................................................................
51.O’rta Osiyo laylaklari qayerlarda qishlaydi?.................................................................................................................
52.Bulbullar qayerda qishlaydi?.........................................................................................................................................
53.Qaldirg’ochlar qayerlarda qishlaydi?............................................................................................................................