Control and Coordination
(MCQs-2)
Class 10 Biology
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| credits:wikipedia |
Q1: _________ is necessary to obtain energy from glucose and fatty acid.
(a) Oxygen
(b) Hydrogen
(c) Water
(d) Nitrogen
Q2: The movement of the plant in response to the stimulus of light is called _________ movement.
(a) geotropic
(b) hydrotropic
(c) phototropic
(d) chemotropic
Q3: In certain sensitive plants like Mimosa, movement is in response to the stimulus of ________ .
(a) gravity
(b) air
(c) light
(d) touch
Q4: When light falls on a part of growing plant, a hormone called _______ is synthesized at the tip of the shoot.
(a) auxin
(b) abscissic acid
(c) gibberellins
(d) cytokinins
Q5: The movement of the root system towards the stimulus of gravity is called ___________ movement.
(a) geotropic
(b) hydrotropic
(c) phototropic
(d) chemotropic
Q6: The movement of the root system towards the stimulus of water is called __________ movement.
(a) geotropic
(b) hydrotropic
(c) phototropic
(d) chemotropic
Q7: __________ hormones help in the growth of the stem.
(a) Auxins
(b) Abscissic acid
(c) Gibberellins
(d) Cytokinins
Q8: ____________ hormones promote cell division.
(a) Auxins
(b) Abscissic acid
(c) Gibberellins
(d) Cytokinins
Q9: ___________ is a plant hormone which inhibits growth wilting of leaves.
(a) Auxin
(b) Abscissic acid
(c) Gibberellins
(d) Cytokinins
Q10: The ____________ is the main thinking part of the brain.
(a) cerebrum
(b) cerebellum
(c) medulla oblongata
(d) spinal cord
Q11: In a neuron, conversion of electrical signal to a chemical signal occurs at/in
(a) cell body
(b) axonal end
(c) dendritic end
(d) axon
Q12: Spinal cord originates from
(a) cerebrum
(b) medulla
(c) pons
(d) cerebellum
Answers:
1: (a) Oxygen
2: (c) phototropic
3: (d) touch
4: (a) auxin
5: (a) geotropic
6: (b) hydrotropic
7: (c) Gibberellins
8: (a) Auxins
9: (b) Abscissic acid
10: (a) cerebrum
11: (b) axonal end
12: (b) medulla
☛See also:
Ch 7 - Control and Coordination
Ch 7 - Control and Coordination(MCQs)
Ch 7 - Control and Coordination (Assignment Sheet)
Ch 7 - All about Plant Hormones (Study Notes)
Ch 7 - Control and Coordination (Revision Questions)
Understanding Plant Growth (Q & A)
Ch 7 - Control and Coordination(MCQs)
Ch 7 - Control and Coordination (Assignment Sheet)
Ch 7 - All about Plant Hormones (Study Notes)
Ch 7 - Control and Coordination (Revision Questions)
Understanding Plant Growth (Q & A)
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