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Control and Coordination

10th Class - CBSE - Biology - 1285 Questions - 0 Concepts

Important Questions

Q1 Single Correct Hard
The histologically correct match is
  • A. Liver- Glisson's capsule and Kupffer cells
  • B. Lungs- Clara cells and dust cells
  • C. Brain- neurons and astrocytes
  • D. All of the above

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q2 Single Correct Hard
Which one of the following does not match in biological category of chemical substance?
  • A. Gastrin
  • B. Thyroxine
  • C. Oxytocin
  • D. Creatinine

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q3 Single Correct Hard
Pheromones when secreted upon the skin surface, its odour generally affect 
  • A. Skin colour
  • B. Genitalia
  • C. Breast
  • D. Mutual behaviour of members of a species

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q4 Single Correct Medium
Which of the following hormones regulate growth and metamorphosis in insects?
  • A. Brain hormone
  • B. Ecdyson
  • C. Prothoracicotropic hormone
  • D. Juvenile hormone

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q5 Single Correct Medium
Longest cell in the human body is
  • A. Leg muscle cell
  • B. Bone cell
  • C. Heart muscle cell
  • D. Nerve cell

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q6 Single Correct Hard
In plant tissue culture experiments, high auxin to cytokinin ratio favours .............. development and high cytokinin to auxin ratio favours .............. development.
  • A. Shoot, root
  • B. Root, root
  • C. Shoot, shoot
  • D. Root, shoot

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q7 Single Correct Hard
Hormones used to speed up malting in Barley, promote flowering in Pineapple and delaying leaf senescence are respectively
  • A. Auxin, Gibberellin and Cytokinin
  • B. Gibberellin, Cytokinin, Auxin
  • C. Cytokinin, Auxin, Gibberellin
  • D. Auxin, Cytokinin, Gibberellin
  • E. Gibberellin, Auxin, Cytokinin

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q8 Single Correct Hard
Which gland is concerned with salt equilibrium in body? 
  • A. Anterior pituitary
  • B. Pancreas
  • C. Thyroid
  • D. Adrenal

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q9 Single Correct Hard
Which of the following is an incorrect pair?
i. Effector organ of somatic reflex- Skeletal muscles
ii. Receptor organ of somatic reflex- Smooth muscles
iii. Effector organ of visceral reflex- Skin
iv. Receptor organ of visceral reflex- Epithelial lining of the gut
  • A. (i) and (iii)
  • B. All of the above
  • C. None of the above
  • D. (ii) and (iii)

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Q10 Single Correct Hard
Select the correct option:
Blood-brain barrier in adults has ........... junctions between cells.
  • A. Adhering
  • B. Gap
  • C. None of these
  • D. Tight

Asked in: Biology - Control and Coordination


1 Verified Answer | Published on 07th 09, 2020

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Questions 122475
Subjects 10
Chapters 93
Enrolled Students 65
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