Page 438 - General Knowledge

GENERAL KNOWLEDGE 2019

138. The pad-like swelling at the base of each leaf of a sensitive plant is called:
A. Pistol
B. Scape
C. Pulvini
D. Foliage

139. The non-directional movement of a plant part in response to light is called:
A. Phototropism
B. Thigmotropism
C. Geotropism
D. Photonasty

140. The shorter fibres on the body of a neuron are called:
A. Dendrites
B. Axon
C. Cytoplasm
D. Myelin sheath

141. The longest fibre on the cell body of a neuron is called:
A. Myelin
B. Nerve endings
C. Axon
D. Dendrites

142. The axon passes the impulse to another neuron through a junction called:
A. Nerve endings
B. Synapse
C. Cytoplasm
D. Nucleus

143. What are those reflex actions called which involve brain?
A. Reflex arcs
B. Cerebral reflexes
C. Spinal reflexes
D. None of the above

144. The chemical substances which coordinate the activities of living organisms and
also their growth are called:
A. Hormones
B. Blood
C. Sodium
D. Cytoplasm

145. When the parent organism splits to form two new organisms, it is called:
A. Budding
B. Spore formation

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