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10 Questions

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Chemistry of Life in Living Organisms

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Questions and Answers

Which of the following is an example of a chemical used by plants in defense against herbivores?

Insulin

Haemoglobin

Keratin

Chemicals released by the black walnut tree (correct)

What is the main purpose of plants releasing chemicals to limit damage from animals?

To provide food sources for specific animals

To attract more animals for pollination

To enhance the taste of their fruits

To protect themselves from herbivores (correct)

Which chemicals are unique to the plant kingdom according to the text?

Chemicals used in chemical warfare against herbivores (correct)

Some chemicals shared with animals and unique ones

Keratin, insulin, haemoglobin

Sugars, proteins, fats

How do some reptiles use pheromones according to the text?

To mark territory even in their absence Signup and view all the answers

What effect do the chemicals released by the black walnut tree have on other trees?

They inhibit the growth of other trees. Signup and view all the answers

Which chemical is mentioned as a red pigment in blood cells?

Haemoglobin Signup and view all the answers

What is one way plants benefit from using chemical warfare according to the text?

To protect themselves and reduce competition for resources. Signup and view all the answers

Why do most animals avoid the chili pepper tree according to the text?

Because it has toxic chemicals that animals cannot stand. Signup and view all the answers

Which of the following is a purpose of plants releasing chemicals to limit damage from animals?

To discourage animals from consuming their foliage. Signup and view all the answers

What role do pheromones play in marking territory according to the text?

Repelling intruders and protecting territory. Signup and view all the answers