Tuesday, 2 July 2019

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

Control and Coordination 

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


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