10TH CBSE control coordination MCQS ONLINE TEST WITH ANSWERS

10TH CBSE 5 control coordination 100 MCQS 

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ANSWERS  - ANS DOWNLOAD

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Class 10 Science - Control & Coordination (30 MCQs)

Q1. The junction between two neurons is called:
Cell junction
Synapse
Neuromuscular junction
Relay

Correct Answer: Synapse

Q2. Hormone responsible for male puberty:
Estrogen
Progesterone
Testosterone
Insulin

Correct Answer: Testosterone

Q3. Highest coordinating centre of the body:
Heart
Brain
Kidney
Spinal cord

Correct Answer: Brain

Q4. Iodine is needed to synthesize:
Insulin
Thyroxine
Adrenaline
Auxin

Correct Answer: Thyroxine

Q5. Growth of pollen tube is an example of:
Phototropism
Chemotropism
Hydrotropism
Geotropism

Correct Answer: Chemotropism

Q6. Movement of shoot towards light:
Geotropism
Phototropism
Hydrotropism
Thigmotropism

Correct Answer: Phototropism

Q7. Endocrine gland affected in diabetes:
Pituitary
Pineal
Pancreas
Parathyroid

Correct Answer: Pancreas

Q8. Olfactory receptors are located in:
Tongue
Eyes
Nose
Skin

Correct Answer: Nose

Q9. Stimulus in thigmotropism:
Light
Gravity
Touch
Water

Correct Answer: Touch

Q10. Adrenal glands are also called:
Pituitary
Suprarenal
Thyroid
Pineal

Correct Answer: Suprarenal

Q11. Voluntary actions are controlled by:
Medulla
Pons
Cerebrum
Cerebellum

Correct Answer: Cerebrum

Q12. Reflex actions are mainly mediated by:
Brain
Spinal cord
Heart
Kidney

Correct Answer: Spinal cord

Q13. Phototropism is response to:
Water
Light
Gravity
Touch

Correct Answer: Light

Q14. Deficiency of insulin causes:
Goitre
Diabetes
Rickets
Scurvy

Correct Answer: Diabetes

Q15. Longest part of neuron:
Dendrite
Cell body
Axon
Synapse

Correct Answer: Axon

Q16. Motor neurons carry impulses from:
Receptors
Spinal cord to effectors
Brain to eye
Muscle to brain

Correct Answer: Spinal cord to effectors

Q17. Growth inhibitor hormone:
Auxin
Gibberellin
ABA
Cytokinin

Correct Answer: ABA

Q18. 31 pairs of nerves arise from:
Brain
Heart
Spinal cord
Kidney

Correct Answer: Spinal cord

Q19. Female sex hormone:
Testosterone
Estrogen
Insulin
Thyroxine

Correct Answer: Estrogen

Q20. Breathing is controlled by:
Cerebrum
Medulla oblongata
Hypothalamus
Cerebellum

Correct Answer: Medulla oblongata

Q21. Root shows:
Positive geotropism
Negative geotropism
Positive phototropism
None

Correct Answer: Positive geotropism

Q22. Plant hormone keeping flowers fresh:
ABA
Auxin
Cytokinin
Ethylene

Correct Answer: Cytokinin

Q23. Emergency hormone:
Insulin
Adrenaline
Thyroxine
Auxin

Correct Answer: Adrenaline

Q24. Taste receptors are present on:
Skin
Tongue
Ear
Nose

Correct Answer: Tongue

Q25. Smell receptors are present in:
Tongue
Eyes
Nose
Skin

Correct Answer: Nose

Q26. Pituitary gland secretes:
Growth hormone
Bile
Saliva
Pepsin

Correct Answer: Growth hormone

Q27. Neuron impulse travels:
Axon→Dendrite
Dendrite→Cell body→Axon
Cell body→Dendrite
Axon only

Correct Answer: Dendrite→Cell body→Axon

Q28. Hormone for female secondary sex characters:
Estrogen
Insulin
ABA
Adrenaline

Correct Answer: Estrogen

Q29. Root growth towards water:
Hydrotropism
Phototropism
Geotropism
Chemotropism

Correct Answer: Hydrotropism

Q30. Brain is enclosed in:
Meninges
Cranium
Thorax
Vertebra

Correct Answer: Cranium

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