Control and Coordination

CBSE Class 10 Science · every board question from this chapter, 2025–2025 · 14 of them repeated across years

• The part of the brain which maintains the posture and balance of the body is:2025
• The part of the hind-brain controlling involuntary actions such as salivation and vomiting in humans is:2025
• The growth of the pollen tubes towards ovules is an example of:2025
• The plant hormone present in greater concentration in the areas of rapidly dividing cells is:2025asked 3×
• Electrical impulse travels in a neuron from2025
• Observe the given figures A and B. When chhui-mui (sensitive) plant is touched, its leaves fold. This is due to: Figure A Figure B2025asked 3×
• The plant hormone whose concentration stimulates the cells to grow longer on the side of the shoot which is away from light is:2025asked 3×
• Which among the following is not a neural action controlled by the part of human brain labelled 'X' in the figure above?2025asked 3×
• A pair of endocrine glands located in the human brain is2025asked 2×
• The plant hormones promoting rapid cell division in seeds and wilting of leaves respectively are2025asked 3×
• Assertion: In our actions of writing or talking, our nervous system communicates with the muscles. Reason (R): Cranial nerves and…2025asked 3×
• How is brain protected in our body? A doctor finds in one of his patients that he is not maintaining a proper posture and balance…2025asked 3×
• Name the parts of hind-brain of the human brain. Which part of the hind-brain controls involuntary actions such as blood pressure…2025
• A person is making a list to purchase few things from a nearby market. Explain how the fore-brain plays an important role in…2025
• Study the given diagram and write the type of movement exhibited by: Root, and Shoot, mentioning the stimulus in each case.2025
• What is meant by reflex arc? Where are they formed in the human body? Why have reflex arcs evolved in animals?2025
• Define hormone. "Hormones should be secreted in precise quantities. We have a feedback mechanism through which this is done."…2025asked 2×
• State two limitations of electrical impulses in multicellular organisms. Why is chemical communication better than electrical…2025asked 3×
• A hormone 'X' is secreted in blood when a person is under scary situation. Identify the hormone 'X' and the gland that secretes…2025
• Name the glands that secrete: (i) Adrenaline (ii) Thyroxin Explain with example how the timing and amount of hormone released are…2025
• Analyse the given situations and interpret the possible reason for each: (i) Iodine deficiency in diet increases the possibility…2025asked 3×
• A person while climbing up a rocky hill comes into a panic state and fear. His body starts reacting in a "flight-or-flight"…2025asked 3×
• The growth movements of plant parts in which the direction of the stimulus determines the direction of the response is known as…2025asked 3×
• In life there are certain changes in the environment called 'stimuli' to which we respond appropriately. Touching a flame…2025asked 3×

Answers come from CBSE’s own marking schemes. How we source them.