Class 10 Practice – Level 1 – Control and Coordination Leave a Comment / By Gulam Hamza / August 1, 2024 Class 10 Practice - Level 1 - Control and Coordination Total questions: 40 1. Which part of the human brain is responsible for regulating balance and coordination? Topic: Nervous System Cerebrum Cerebellum Medulla Pons None 2. What is a reflex action? Topic: Reflex Action A voluntary response An involuntary and immediate response A slow and controlled response A delayed response None 3. Which gland is known as the master gland in the human body? Topic: Endocrine System Thyroid gland Pituitary gland Adrenal gland Pancreas None 4. Which hormone is responsible for regulating the sleep-wake cycle in humans? Topic: Hormones Insulin Thyroxine Melatonin Adrenaline None 5. Which plant hormone is responsible for cell elongation and growth? Topic: Plant Hormones Auxin Gibberellin Cytokinin Ethylene None 6. Which of the following is a plant movement in response to touch? Topic: Coordination in Plants Phototropism Geotropism Thigmotropism Hydrotropism None 7. What is the functional unit of the nervous system? Topic: Human Nervous System Neuron Axon Synapse Dendrite None 8. Which type of neuron carries impulses from the sensory organs to the central nervous system? Topic: Types of Neurons Motor neuron Sensory neuron Interneuron Relay neuron None 9. Which part of the brain controls voluntary actions? Topic: Brain Parts Cerebrum Cerebellum Medulla oblongata Hypothalamus None 10. Which part of the reflex arc receives the impulse from the sensory neuron? Topic: Reflex Arc Motor neuron Spinal cord Effector Interneuron None 11. What triggers the growth of roots towards the earth? Topic: Plant Growth Phototropism Geotropism Chemotropism Thigmotropism None 12. Which hormone increases the glucose level in blood? Topic: Hormones in Animals Insulin Glucagon Thyroxine Cortisol None 13. What is the main function of the spinal cord? Topic: Nervous Coordination Control of reflex actions Control of voluntary movements Regulation of body temperature Regulation of hormone secretion None 14. Which part of the neuron receives signals from other neurons? Topic: Structure of Neuron Axon Dendrite Soma Myelin sheath None 15. Which part of the brain regulates breathing and heart rate? Topic: Human Brain Cerebrum Cerebellum Medulla oblongata Hypothalamus None 16. Which hormone is known as the "fight or flight" hormone? Topic: Endocrine System in Humans Adrenaline Insulin Thyroxine Oxytocin None 17. What causes a plant to bend towards light? Topic: Phototropism Auxin accumulation on the shaded side Ethylene production Cytokinin activation Gibberellin synthesis None 18. Which structure connects the brain to the spinal cord? Topic: Human Nervous System Hypothalamus Cerebellum Medulla oblongata Pons None 19. What is the role of insulin in the human body? Topic: Endocrine System Increases blood glucose levels Decreases blood glucose levels Increases metabolic rate Regulates growth None 20. Which part of the brain is associated with emotions and memory? Topic: Human Brain Cerebrum Cerebellum Limbic system Brainstem None 21. Which of the following is an example of a reflex action? Topic: Reflex Action Writing with a pen Sneezing when dust enters the nose Reading a book Speaking None 22. What is the role of neurotransmitters in the nervous system? Topic: Coordination in Animals Transmit electrical signals Act as hormones Transmit nerve impulses across synapses Protect neurons None 23. Which plant hormone is involved in the ripening of fruits? Topic: Plant Responses Auxin Gibberellin Ethylene Cytokinin None 24. Which gland produces growth hormone? Topic: Hormones Adrenal gland Thyroid gland Pituitary gland Pineal gland None 25. Which part of the eye is responsible for focusing light on the retina? Topic: Sensory Organs Cornea Lens Iris Optic nerve None 26. What type of movement is shown by roots growing towards water? Topic: Coordination in Plants Phototropism Hydrotropism Geotropism Thigmotropism None 27. Which part of the brain is primarily involved in processing visual information? Topic: Human Nervous System Frontal lobe Temporal lobe Occipital lobe Parietal lobe None 28. In a reflex arc, which component acts as the effector? Topic: Reflex Action Sensory neuron Motor neuron Muscle or gland Interneuron None 29. Which plant hormone helps in the breaking of seed dormancy? Topic: Plant Hormones Auxin Gibberellin Ethylene Abscisic acid None 30. Which part of the human brain is associated with regulating body temperature, hunger, and thirst? Topic: Coordination in Animals Cerebrum Hypothalamus Medulla oblongata Pons None 31. Which hormone is responsible for the closing of stomata during water stress in plants? Topic: Plant Growth Auxin Cytokinin Abscisic acid Gibberellin None 32. What type of neuron connects sensory and motor neurons in the spinal cord? Topic: Nervous System Sensory neuron Motor neuron Interneuron Relay neuron None 33. Which hormone is produced by the pancreas and helps to lower blood glucose levels? Topic: Endocrine System Glucagon Thyroxine Insulin Adrenaline None 34. Which part of the nervous system controls the fight or flight response? Topic: Nervous System Central nervous system Somatic nervous system Autonomic nervous system Parasympathetic nervous system None 35. Which part of the eye regulates the amount of light entering the eye? Topic: Coordination in Animals Cornea Pupil Lens Retina None 36. What is the correct sequence of components in a reflex arc? Topic: Reflex Action Sensory neuron → Motor neuron → Effector → Receptor Receptor → Motor neuron → Sensory neuron → Effector Receptor → Sensory neuron → Interneuron → Motor neuron → Effector Effector → Sensory neuron → Interneuron → Motor neuron → Receptor None 37. Which plant hormone is primarily involved in promoting cell division? Topic: Plant Responses Auxin Gibberellin Cytokinin Ethylene None 38. Which part of the brain is primarily involved in coordinating voluntary movements and maintaining posture? Topic: Human Brain Cerebrum Cerebellum Medulla oblongata Hypothalamus None 39. Which gland produces the hormone thyroxine? Topic: Endocrine System Adrenal gland Pituitary gland Thyroid gland Pineal gland None 40. Which reflex helps in protecting the eyes from bright light? Topic: Reflex Action Withdrawal reflex Pupillary reflex Stretch reflex Knee-jerk reflex None 1 out of 40 Time's up