Biology FSC Part 2 Chapter 18 Online MCQ's Test With Answers

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Biology FSC Part 2 Chapter 18 Online MCQ's Test

Sr. # Questions Answers Choice
1 Developing seeds are a rich source of. Auxin Gibberellins Cytokinins All of these
2 Vehicle for transport of male gamete in land plants is Water Pollen tube Pollen grain Wind
3 Fruit ripening is due to the production of. Auxins Cytokinin Gibberellin Ethane
4 In tomato and pappers, parthenocarpy is artificially induced by adding. Auxins Cytokinins Abscisic Acid Ethene
5 The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ___________ Resting membrane potencial Action potencial Propagation of impulse Synapse
6 The number of human spinal nerves is: 24 50 62 64
7 Information back from the control centre to the effectors as done by ______________ nerve path way. Afferent Efferent Both None of these
8 The mammalism forebrain is differetiated into the thalamus, imbic system and the: Cerebellum Cerebrum Hippocampus Hypothalamus
9 The groups of ribosomes present in the cell body of the neuron, which are associated with nough endoplasmic reticulum are called: Meissner's corpusles Pacinian corpucles Nissl's gronules Lysosome granules
10 What will occur if a drug at the neuromuscular junction blocks the receptors sites on the post-synaptic membrane? Inhibition of Acetylchlorine release Muscle contraction Muscle paralysis Release of calcium ions
11 Which of the following is common in all neurons? A cell body which contains a nucleus A thick myelin sheath Presence of nodes of Ranvier Presence of Schwann cells
12 Menstruation usually lasts for 3 - 7 days 2 - 5 days 1 - 3 days 5 - 7 days
13 Long-day plants will flower in short days if the interrupted period is Long night Short Night Long day Short day
14 In seminiferous tubules repeated division of the germinal epithelium produce Oogonia Zoogonia Ovogonia Spermatogonia
15 In nature P 730 to P 660 conversion occurs in the Day Dark Evening Dawn
16 In human only one ovum is usually discharged from the ovary at one time this phenomenon is called Ovulation Menstruation Oestrous Apomixes
17 If the two generations are vegetatively similar such alternation of generation is referred to as Homomorphic Isomorphic Heteromorphic Eumorphic
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