Тест на тему Механические колебания, длина волны

1. Что такое клеточная оболочка (мембрана)? A) Двойной слой липидов, образующий границу клетки и регулирующий обмен веществ с окружающей средой B) Органелла, где синтезируются белки C) Постоянная внутренняя среда клетки D) Энергетическая станция клетки

2. Какие органеллы называют "мощными электростанциями" клетки? A) Хлоропласты B) Лизосомы C) Митохондрии D) Эндоплазматическая сеть

3. Какое из утверждений справедливо по отношению к растительной клетке по сравнению с животной клеткой? A) Растительная клетка имеет клеточную стенку и хлоропласты B) Растительная клетка не имеет митохондрий C) В растительных клетках нет лизосом D) У растительной клетки отсутствуют вакуоли

4. Что такое ядро клетки (нуклеус)? A) Органелла, в которой хранится генетическая информация и регулируются клеточные процессы B) Место синтеза липидов C) Энергетическая станция клетки D) Оболочка клетки

5. Какова основная функция рибосом? A) Энергетическая выработка B) Синтез белков C) Переработка отходов D) Хранение ДНК

6. Как называется процесс переноса веществ через клеточную мембрану без затрат энергии? A) Активный транспорт B) Пассивный транспорт (диффузия) C) Эндоцитоз D) Эксоцитоз

7. Что такое вакуоль? A) Органелла для хранения воды и растворённых веществ B) Органелла для синтеза белков C) Энергетическая станция клетки D) Мембранная система для транспорта веществ

8. Что делают лизосомы в клетке? A) Синтезируют белки B) Перерабатывают отходы и старые клеточные структуры C) Производят энергию D) Синтезируют липиды

9. Какая органелла отвечает за синтез белков? A) Митохондрии B) Рибосомы C) Эндоплазматическая сеть D) Гольджи аппарат

10. Какой процесс деления приводит к образованию двух идентичных дочерних клеток? A) Митоз B) Мейоз C) Митозная плазмолизация D) Репликация ДНК

Тест по английскому языку: Past Perfect Simple

Инструкции:

Выберите правильный вариант ответа. Для каждого вопроса только один правильный ответ.

1. She _______ (finish) her homework before dinner. A) had finished
   B) finished
   C) has finished

2. When I arrived at the party, everyone _______ (leave). A) had left
   B) left
   C) has left

3. They _______ (not see) that movie before last night. A) did not see
   B) had not seen
   C) have not seen

4. By the time he called, I _______ (already eat). A) already ate
   B) had already eaten
   C) has already eaten

5. She was tired because she _______ (not sleep) well. A) did not sleep
   B) had not slept
   C) has not slept

6. After he _______ (read) the book, he understood the story better. A) read
   B) had read
   C) has read

7. We _______ (live) in London for five years before moving to Paris. A) had lived
   B) lived
   C) have lived

8. I was late because I _______ (forget) my keys. A) forgot
   B) had forgotten
   C) have forgotten

9. By the time she got to the station, the train _______ (depart). A) left
   B) had left
   C) has left

10. He _______ (just/finish) his project when the teacher arrived. A) just finished
    B) had just finished
    C) has just finished

11. They _______ (visit) Paris before they went to Rome. A) had visited
    B) visited
    C) have visited

12. After she _______ (clean) the house, she took a break. A) cleaned
    B) had cleaned
    C) has cleaned

13. I felt better once I _______ (eat) something. A) had eaten
    B) ate
    C) have eaten

14. He couldn't find his wallet because he _______ (leave) it at home. A) left
    B) had left
    C) has left

15. We were happy because we _______ (finish) the test early. A) finished
    B) had finished
    C) have finished

16. They were surprised to see their friends because they _______ (not expect) them. A) did not expect
    B) had not expected
    C) have not expected

17. He _______ (break) his leg before going on the trip. A) broke
    B) had broken
    C) has broken

18. She knew the answer because she _______ (study) hard. A) studied
    B) had studied
    C) has studied

19. I could not believe that I _______ (miss) the bus again. A) missed
    B) had missed
    C) have missed

20. By the time the movie started, we _______ (find) our seats. A) found
    B) had found
    C) have found

21. They _______ (never/see) a lion before that day at the zoo. A) never saw
    B) had never seen
    C) have never seen

22. I was excited because I _______ (receive) a gift. A) received
    B) had received
    C) have received

23. Before they _______ (go) on vacation, they cleaned the house. A) went
    B) had gone
    C) have gone

24. She told me she _______ (finish) her work earlier. A) finished
    B) has finished
    C) had finished

25. I was happy because I _______ (get) a good grade. A) had gotten
    B) got
    C) have gotten

26. After he _______ (speak) to the manager, he felt better. A) spoke
    B) had spoken
    C) has spoken

27. We _______ (make) dinner before the guests arrived. A) made
    B) had made
    C) have made

28. I realized that I _______ (forget) my password. A) forgot
    B) had forgotten
    C) have forgotten

29. She was sad because she _______ (lose) her favorite book. A) lost
    B) had lost
    C) has lost

30. They _______ (not do) their homework before class. A) did not do
    B) had not done
    C) have not done

Успехов на тесте!

Вот тест по английскому языку для 3 класса на тему "Питомцы" и модальный глагол "can":

Тест по английскому языку: Pets and the modal verb "can"

1. What animal is a budgie?
a) A type of fish
b) A small bird
c) A furry cat

2. What can a guinea pig do?
a) Fly
b) Swim
c) Make sounds

3. What is a common behavior of a kitten?
a) Barking
b) Climbing
c) Hopping

4. Which of these animals can be trained to fetch?
a) Tortoise
b) Puppy
c) Rat

5. What can you say about a parrot?
a) It can talk
b) It can swim
c) It can dig

6. Which animal is known for running in a wheel?
a) Hamster
b) Guinea pig
c) Tortoise

7. What can a rat do that other pets can't?
a) Fly
b) Squeak
c) Bark

8. Which of the following can you take for a walk?
a) Hamster
b) Puppy
c) Tortoise

9. What can a tortoise do?
a) Jump high
b) Eat carrots
c) Run very fast

10. Which animal can change its colors?
a) Rat
b) Budgie
c) Tortoise

Удачи на тесте!