CBSE Class 10 - Biology - Control and CoOrdination (MCQs-2)(#cbsenotes)(#eduvictors)

Control and Coordination 

(MCQs-2)

Class 10 Biology

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)