Биология для вступительных экзаменов на сестринские программы: лист заданий с ответами

В какой органелле происходит фотосинтез?

1. AВ ядре
2. BВ хлоропласте
3. CВ митохондрии
4. DВ аппарате Гольджи

What is the SI base unit of mass?

1. ALitre
2. BGram
3. CKilogram
4. DPound

Which type of microscope is needed to see a virus?

1. AAn electron microscope
2. BA dissecting microscope
3. CA magnifying glass
4. DA light microscope

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA silent mutation
2. BA missense mutation
3. CA nonsense mutation
4. DA frameshift mutation

In a eukaryotic cell, where does transcription take place?

1. AIn the lysosomes
2. BOn ribosomes in the cytoplasm
3. CIn the Golgi apparatus
4. DIn the nucleus

Many vitamins act as coenzymes. What does this mean?

1. AThey are built into the cell membrane
2. BThey are digested to release large amounts of energy
3. CThey help enzymes carry out their reactions
4. DThey replace enzymes that have been denatured

A plant is kept in the dark to use up its starch. One leaf is then sealed in a bag with a chemical that absorbs CO₂, and the plant is placed in light. Later, that leaf has no starch, but the other leaves do. What does this show?

1. AChlorophyll is needed for photosynthesis
2. BCarbon dioxide is needed for photosynthesis
3. CLight is needed for photosynthesis
4. DOxygen is needed for photosynthesis

A pondweed plant is placed in water, and a lamp is moved closer to it. The plant gives off more bubbles per minute. What is the best conclusion?

1. AThe bubbles are nitrogen, and light breaks down the plant cells
2. BThe bubbles are carbon dioxide, and respiration speeds up with more light
3. CThe bubbles are oxygen, and the lamp heats the water until it boils
4. DThe bubbles are oxygen, and photosynthesis speeds up with more light