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The following question based on physiology of plants, humans and animals topic of general science mcq
(a) Plants can create their own sugar using aerobic cellular respiration.
(b) Plants can create their own sugars using photosynthesis.
(c) Plants can create their own sugars using fermentation.
(d) Plants can create their own sugar using anaerobic cellular respiration.
The correct answers to the above question in:
Answer: (b)
Fermentation is the process of production of alcohol from plant or microbial sugar under controlled conditions, aerobic cellular respiration is oxidation of plant stored food to produce energy, anaerobic respiration is production of energy from plant food in absence of oxygen.
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Read more biology Based General Science Questions and Answers
Question : 1
Match List-I with List-II and select the correct answer using the code given below the lists.
List-I | List-II |
A. Ecotoxicology | 1. Study of ductless gland |
B. Hematology | 2. Study about mollusks |
C. Malacology | 3. Study of blood |
D. Endocrinology | 4. Study of the effects of toxic chemical substance on animal and plant |
a) 2 1 4 3
b) 4 3 2 1
c) 3 2 1 4
d) 1 4 3 2
Answer »Answer: (b)
Question : 2
Fungi
a) include both autotrophs and heterotrophs.
b) always reproduce asexually using spores.
c) cause tuberculosis and lyme disease in humans.
d) include both inicellular and multicellular forms.
Answer »Answer: (d)
Fungi include both unicellular and multicellular forms, with both asexually and sexually reproducing organisms. No fungal specie is autotroph.
TB is caused by Mycobacterium tuberculosis and Lyme disease is caused by bacterial species of Borrelia.
Question : 3
Melatonin is produced by
a) skin
b) thymus
c) pituitary
d) pineal gland
Answer »Answer: (d)
Melatonin is secreted by the pineal gland present between the cerebral hemispheres.
Melatonin concentration in blood follows a diurnal cycle, it rises in the evening and drops at noon. Melatonin lightens skin colour in certain animals and regulates the working of gonads.
Question : 4
The junction between an axon and dendrite is called
a) synapse
b) cyton
c) relay
d) conduction zone
Answer »Answer: (a)
The junction between an axon and dendrite is known as a synapse through which nerve impulse is transmitted from one neuron to another.
A synapse consists of swelling at the end of nerve fibre called synaptic knob and a small synaptic vesicle containing neuro-transmitter–acetylcholine for the transmission of nerve impulse.
Question : 5
The muscles in stomach are.
a) involuntary
b) voluntary
c) Cardior
d) None of the above
Answer »Answer: (a)
Question : 6
Which of the following organs can be called as a sort of "blood bank" ?
a) Heart
b) Lungs
c) Liver
d) Spleen
Answer »Answer: (d)
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