6 sinf botanika fanidan I tur maktab olimpiadasi uchun test savollari

6 sinflarda botanika fanidan test savollari
I yarim yillik
1. Qaysi o’simlik urug’larida efir moylari ko’p?
a) Zira, shivit b) Mastak, zira s) Loviya, mosh d) Shivit, mosh
2. Qaysi o’simlik urug’ida kraxmal ko’p bo’ladi.?
a) Mosh b) Bug’doy s) Loviya d) G’o’za
3. Ikki jinsli o’simliklarga nimalar kiradi.?
a) Olma, o’rik b) Tol , terak s) Olma, tol d) a va b
4. Kuzda o’simlik hayotida sodir bo’ladigan muhim biolognik o’zgarishlarni toping.
a) O’simlik qurishi b) Xazonrezgilik s) O’simlikni o’sishi d) b va s
5. Turni ikki nom bilan atashni fanga kim kiritgan?
a) Karl Linney b) Temiryazev s) R Guk d) Ibn Sino
6. Qaysi o’simliklar to’p gulli oddiy qalqonsimon bo’ladi?
a) Sholi , qamish b) Nok, gilos s) Olma, buo’doy d) Yong’oq, oqqayin
7. Changlanish necha xil bo’ladi.?
a) 1 xil b)2 xil s)3 xil d) ko’p xil
8. Mikroskopda kim birichi bo’lib mikroblarni ko’rgan?
a) R. Broun b) A. Levenguk s) Michurin d) Gryu
9. To’qima tushinchasini fanga kim kiritgan.?
a) N. Gryu b) Ch .Darvin s) K. Jinney d) L. Paster
1O.Gulqo’rgon qanday vazifani bajaradi?
a) Gul ochilguncha changchini va urug’larni o’rab turadi
b) Sovuqdan asraydi s) Issiqdan asraydi d) Tashqi tasirdan saqlaydi
11.Meva qayerda hosil bo’ladi?
a) Ustunchada b) Tugunchada s) Tumshuqchada d) To’g’ri javob yo’q
12.Olxo’rining gul formulasini toping.?
a) Gk₅ Gt₅ Ch U₁ b) Gk₀ Gt ₍₅₎ Ch ₍₅₎ U ₍₂₎
s) Og₃₊₃ Ch₃₊₃ U ₍₃₎ d) Gk₄ Gt₄ Ch ₄₊₂ U₍₂₎
l3.Qaysi o’simlik guli qiyshiq gul?
a) Nastarin, isfarak b) Olma, gilos s) Nastarin, gilos d) Rayhon ,o’rik
14.Qaysi o’simliklar shamol yordamida changlanadi?
a) Bug’doy, arpa b) Atirgul ,gilos s) Tol , o’rik d) Bug’doy , gilos
15. Qanday changlanish odam yordamida olib boriladi va qaysi o’simlikda.?
a) Shamol, o’rik b) Hasharot, gilos s) Suniy, makajo’xori d) To’g’ri javob yo’q
16.Soxta mevaga qaysi meva kiradi?
a) Nok b) Yong’oq s) o’rik d) Shaftoli
1 7.Chin mevaga qaysi meva kiradi.?
a) O’rik b) Behi s) Oima d) a va s javob to’g’ri
1 8.Chatnamaydigan mevaga qaysi meva kiradi?
a) Mosh b) Loviya s) Bug’ doy d) Akatsiya
19.Hujayra kim tomonidan kashf etilgan?
Javob:_________________________________
20.Plastidalar necha xil bo’ladi, ular qaysilar?
Javob:_________________________________
21. Bir urug’ pallali o’simliklarga qanday o’simliklar kiradi?
Javob:_________________________________
22. Ikki jinsli gullarni yozing.
Javob:_________________________________
23.Ikki uyli o’simliklarga misollar keltiring.
Javob:_________________________________
24.Sun’iy changlanishning ahamiyati nimada?
Javob:_________________________________
25. Hasharotlar yordamida changlanadigan o’simliklarni yozing.
Javob:_________________________________

6 sinflarda botanika fanidan test savollari

II yarim yillik
1. Murakkab soyabonli to’pgulni toping.
a) sabzi, rediska b) uzum, shashir s) ukrop, petrushka
2. Savatcha to’pgulni aniqlang.
a) kungaboqar, shuvoq b) yong’oq, oqqayin s) karrak, sabzi
3. Spermalar gulning qaysi qismida rivojlanadi.?
a) gulqo’rg’on b) urug’chida s) chang donachasida
4. Endosperma qaysi hujayrada rivojlanadi .
a) urug’langan b)urug’langan markaziy hujayrada s) hosil qiluvchi to’qima hujayrasida
5. Dorivor o’simliklar qatorini toping ?
a)Olma,zira,qulupnay,burchoq b)Ermon,marmarak,dalachoy
s) Marmarak, zira, yeryong’oq.