Тест на тему Первобытное общество

Тест по биологии Тема: Белки Класс учащихся: 10 Тип вопросов: Множественный выбор Количество вопросов: 15 Выводить тест с ответами: Без ответов

1. Как называется основная единица белков? A) Нуклеотид B) Аминокислота C) Глюкоза D) Липид

2. Какой тип связи соединяет аминокислоты в белке? A) Гидрофобная связь B) Пептидная связь C) Ионная связь D) Водородная связь

3. Уровень структуры белка, на котором определяется последовательность аминокислот: A) Первичный B) Вторичный C) Третичный D) Четвертичный

4. Что стабилизирует вторичную структуру белка (альфа-спираль и β-слой)? A) Пептидные связи B) Водородные связи C) Ионные связи D) Дисульфидные связи

5. Какую роль выполняют ферменты? A) Участвуют в запасании энергии B) Катализируют химические реакции C) Транспортируют кислород D) Хранят наследственную информацию

6. Что происходит с белками при нагревании выше оптимальной температуры? A) Увеличивается их активность B) Денатурация (разрушается структура) C) Растворяются полностью D) Превращаются в углеводы

7. Какая молекула задаёт порядок аминокислот в белке в процессе синтеза? A) ДНК B) РНК (мРНК) C) Рибосомы D) РНК-процессоры

8. Как называются белки, помогающие правильному сворачиванию белков в клетках? A) Ферменты B) Шапероны C) Гормоны D) Липиды

9. Какой белок является основным компонентом соединительной ткани и кожи? A) Коллаген B) Эластин C) Кератин D) Миозин

10. Где в клетке происходит синтез белков? A) Ядро B) Эндоплазматическая сеть C) Рибосомы D) Лизосомы

11. Как называется полная трехмерная конфигурация белка, состоящего из одной полипептидной цепи? A) Первичная B) Вторичная C) Третичная D) Четвертичная

12. Какие факторы могут привести к денатурации белка? A) Только высокая температура B) Только изменения pH C) Моющие средства D) Все перечисленное

13. Какой вид связи чаще всего отвечает за стабилизацию третичной структуры белка между отдалёнными участками молекулы? A) Пептидные связи B) Водородные связи C) Ионные связи D) Дисульфидные связи

14. Какой витамин необходим для синтеза коллагена? A) Витамин A B) Витамин C C) Витамин D D) Витамин E

15. Какое утверждение верно про ферменты? A) Ускоряют химические реакции, снижая энергию активации B) Поглощают свет и превращают его в энергию C) Являются основными строительными блоками плазмы крови D) Не подвержены влиянию температуры

Тест по английскому языку: Passive Voice (Пассивный залог)
Класс: 11
Количество вопросов: 30

Инструкции: Выберите правильный ответ из предложенных вариантов.

1. Choose the correct passive form of the sentence:
   The teacher explains the new grammar rule.
   a) The new grammar rule is explained by the teacher.
   b) The new grammar rule was explained by the teacher.
   c) The new grammar rule has explained by the teacher.
   d) The new grammar rule is explaining by the teacher.

2. Which sentence is in the passive voice?
   a) They will finish the project tomorrow.
   b) The project will be finished by them tomorrow.
   c) They are finishing the project now.
   d) They finished the project yesterday.

3. Select the correct passive form:
   Someone has stolen my bike.
   a) My bike has stolen.
   b) My bike has been stolen.
   c) My bike was stolen.
   d) My bike is stolen.

4. Identify the correct passive voice of this sentence:
   They are cleaning the house.
   a) The house is cleaned by them.
   b) The house is being cleaned by them.
   c) The house was cleaned by them.
   d) The house has been cleaned by them.

5. Choose the correct form:
   The chef is preparing the meal.
   a) The meal is prepared by the chef.
   b) The meal will be prepared by the chef.
   c) The meal is being prepared by the chef.
   d) The meal has prepared by the chef.

6. Which sentence correctly uses the passive voice?
   a) The children play football.
   b) Football is played by the children.
   c) The children are playing football.
   d) Football was playing by the children.

7. Convert to passive voice:
   They will build a new school.
   a) A new school will be built by them.
   b) A new school is built by them.
   c) A new school was built by them.
   d) A new school has been built by them.

8. Choose the correct passive form:
   The police arrested the thief.
   a) The thief was arrested by the police.
   b) The thief is arrested by the police.
   c) The thief has been arrested by the police.
   d) The police are arresting the thief.

9. Which option is incorrect?
   a) The letter is written by Sarah.
   b) Sarah writes the letter.
   c) The letter was written by Sarah.
   d) The letter is writing by Sarah.

10. Select the correct passive voice for:
    They are painting the walls.
    a) The walls are painted by them.
    b) The walls are being painted by them.
    c) The walls have painted by them.
    d) The walls have been painting by them.

11. Convert the sentence:
    We will finish the project next week.
    a) The project will be finished by us next week.
    b) The project will be finishing by us next week.
    c) The project is finished by us next week.
    d) The project was finished by us next week.

12. Choose the correct passive:
    The students submitted the essays.
    a) The essays are submitted by the students.
    b) The essays were submitted by the students.
    c) The essays have been submitted by the students.
    d) All of the above.

13. Which is in the passive voice?
    a) The mechanic repairs cars.
    b) Cars are repaired by the mechanic.
    c) The mechanic is repairing cars.
    d) The mechanic repaired cars.

14. Fill in the blank:
    They ____ (clean) the park every Sunday.
    a) clean
    b) are cleaning
    c) are cleaned
    d) cleanly

15. Identify the correct transformation:
    People speak English all over the world.
    a) English is spoken all over the world.
    b) English is speaking all over the world.
    c) English has spoken all over the world.
    d) English was spoken all over the world.

16. Choose the correct passive sentence:
    The gardener waters the plants.
    a) The plants are watered by the gardener.
    b) The plants are watering by the gardener.
    c) The plants were watered by the gardener.
    d) The plants have been watered by the gardener.

17. Convert to passive voice:
    The company will launch a new product.
    a) A new product will be launched by the company.
    b) A new product is launched by the company.
    c) A new product was launched by the company.
    d) A new product has been launched by the company.

18. Which sentence uses the correct tense in passive voice?
    She is doing her homework.
    a) Her homework is done by her.
    b) Her homework is being done by her.
    c) Her homework was done by her.
    d) Her homework has been done by her.

19. Select the correct passive form:
    They are repairing the road.
    a) The road is repaired by them.
    b) The road is being repaired by them.
    c) The road was repaired by them.
    d) The road has been repaired by them.

20. Identify the sentence in passive voice:
    a) The chef cooks delicious meals.
    b) Delicious meals are cooked by the chef.
    c) The chef is cooking delicious meals.
    d) The chef has cooked delicious meals.

21. Fill in the blank:
    The students ____ (answer) the questions correctly.
    a) answered
    b) are answering
    c) are answered
    d) answer

22. Convert the sentence:
    They will complete the work by tomorrow.
    a) The work will be completed by them by tomorrow.
    b) The work will be finished by them by tomorrow.
    c) The work is completed by them by tomorrow.
    d) The work has been completed by them by tomorrow.

23. Choose the correct passive form:
    The librarian arranges the books.
    a) The books are arranged by the librarian.
    b) The books are arranging by the librarian.
    c) The books have been arranged by the librarian.
    d) The books will be arranged by the librarian.

24. Which sentence is incorrect?
    a) The exam is prepared by the teacher.
    b) The exam is prepared by the students.
    c) The exam is being prepared by the teacher.
    d) The students prepare the exam.

25. Select the correct passive sentence:
    They are fixing the computer.
    a) The computer is fixed by them.
    b) The computer is being fixed by them.
    c) The computer has been fixed by them.
    d) All of the above.

26. Convert to passive:
    The government is building new infrastructure.
    a) New infrastructure is built by the government.
    b) New infrastructure is being built by the government.
    c) New infrastructure has been built by the government.
    d) All of the above.

27. Which form is correct?
    The artist paints beautiful pictures.
    a) Beautiful pictures are painted by the artist.
    b) Beautiful pictures are painting by the artist.
    c) Beautiful pictures have been painted by the artist.
    d) Both a and c.

28. Fill in the blank:
    The worker ____ (fix) the machine now.
    a) fixes
    b) is fixing
    c) is fixed
    d) has fixed

29. Identify the passive voice sentence:
    a) The children are singing a song.
    b) A song is being sung by the children.
    c) The children sung a song.
    d) The children sing a song.

30. Choose the correct transformation:
    They gave her a gift.
    a) She was given a gift by them.
    b) She is given a gift by them.
    c) She has been given a gift by them.
    d) All of the above.

Желаю успехов на экзамене!

Тест по МЧС на тему "Клиническая смерть"

Класс: 11
Предмет: МЧС
Тема: Клиническая смерть

Вопрос:

1. Какое из следующих утверждений является правильным с точки зрения определения клинической смерти?
   • A) Клиническая смерть – это состояние, при котором сердечно-сосудистая и дыхательная функции полностью прекращены, но возможна обратимость.
   • B) Клиническая смерть – это окончательное состояние, после которого наступает биологическая смерть.
   • C) Клиническая смерть может длиться более 1 часа без каких-либо последствий.
   • D) Все признаки клинической смерти проявляются сразу и необратимы.

Правильный ответ:

• A) Клиническая смерть – это состояние, при котором сердечно-сосудистая и дыхательная функции полностью прекращены, но возможна обратимость.