Biology

Which of the following blood vessels have valves?

A. Capillary B. Artery C. Vein D. Arteriole Correct Answer: Option C C. Vein

6 years ago

Which of these statements about white blood cells is true? They

A. aid clotting of blood B. carry oxygen round the body C. are the most numerous blood cells D. are…

6 years ago

The fine adjustment of the light microscope is used to?

A. admit more light into the microscope B. focus the object under low power C. focus the object under high…

6 years ago

Growth includes the following processes except?

A. differentiation B. enlargement C. mitosis D. meiosis Correct Answer: Option D D. meiosis

6 years ago

Yeast is added to the dough during the preparation of bread because it produces?

A. ethanol B. heat C. carbon dioxide D. carbohydrate Correct Answer: Option C C. carbon dioxide

6 years ago

The dominant stage in the life cycle of a fern is the?

A. antheridium B. gametophyte C. prothallus D. sporophyte Correct Answer: Option D D. sporophyte

6 years ago

Which of the following processes takes place when a plant cell is put in a hypotonic solution?

A. Water moves into the cell and the cell bursts B. Water leaves the cell and the cell becomes flabby…

6 years ago

The organelle involved in the transport of substances within a cell is?

A. Golgi body B. endoplasmic reticulum C. ribosome D. mitochondrion Correct Answer: Option A A. Golgi body

6 years ago

Respiration is an essential life process providing the living cells with?

A. oxygen B. sugars C. energy D. carbon dioxide Correct Answer: Option C C. energy

6 years ago

The hereditary material in a living organism is located inside the?

A. protein wall B. cytoplasm C. nucleus D. lysosome Correct Answer: Option C C. nucleus

6 years ago