QUIZ 9

What is the term for plants growing towards light sources?

• Thigmotropism

• Chemotropism

• Phototropism

• Gravitropism

Which of the following is not a type of tropism?

• Phototropism

• Electrotropism

• Aerotropism

• Traumotropism

What is the function of receptors in plants?

• Control hormone production

• Detect light, gravity, temperature, and touch

• Regulate water absorption

• Produce energy for growth

What is the role of hormones in plant tropisms?

• Produce seeds

• Regulate photosynthesis

• Maintain cell structure

• Control the direction of growth

Which sensory receptor detects chemicals in saliva?

• Taste buds

• Eyes

• Ears

• Nose

What is the function of myofibrils in vertebrate skeletal muscle?

• Produce energy for movement

• Contain muscle fibers

• Generate transmission of action potentials

• Create light and dark bands in muscle tissue

What happens to sarcomeres during muscle contraction?

• They divide into smaller units

• They detach from muscle fibers

• They remain the same

• They lengthen

How do myosin filaments contribute to muscle contraction?

• They pull actin filaments closer together

• They anchor at the M lines

• They regulate hormone production

• They create light and dark bands in muscle tissue

What is the final step in sensory processing in animals?

• Perception

• Reception

• Transduction

• Transmission

What is the purpose of signal transduction pathways in plants?

• Detect external stimuli

• Link signal reception to response

• Produce energy for growth

• Regulate hormone production