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The following question based on physiology of plants, humans and animals topic of general science mcq
- Flowering plants are grouped under phanerogams.
- Non-flowering plants are grouped in cryptogams.
(a) 1 and 2
(b) 1 only
(c) 2 only
(d) None
The correct answers to the above question in:
Answer: (a)
All flowering plants are grouped under phanerogams while non-flowering into cryptogams
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Read more biology Based General Science Questions and Answers
Question : 1
Ethylene gas is used for
a) delaying fruit’s abscission.
b) ripening of fruits.
c) growth of plants.
d) stopping the leaf abscission.
Answer »Answer: (b)
Question : 2
Which one of the following is an enzyme?
a) Keratin
b) Gastrin
c) Trypsin
d) Vasopressin
Answer »Answer: (c)
Question : 3
Which of the following is not caused by deficiency of mineral nutrition?
a) Chlorosis
b) Etiolation
c) Necrosis
d) Shortening of internodes
Answer »Answer: (b)
Question : 4
Which one is not a reflex action?
a) Release of saliva on seeing sweets
b) Closing of eye lids against fricking
c) Perspiration due to heat
d) Obeying the order to run
Answer »Answer: (c)
Reflex action is the immediate involuntary response to a stimulus. It includes sudden action of body parts due to heat stimulus, burn stimulus, pricking, sneezing, coughing yawning, etc. Perspiration is not a reflex action.
It is also known as sweating. Sweating is the loss of water from the sweat glands of the skin. Sweat includes some salts and urea. It's for temperature regulation.
Question : 5
Which of the following cells is responsible for myelin formation in the peripheral nervous system?
a) Schwann cell
b) Oligodendrocyte
c) Astrocyte
d) Microglial cell
Answer »Answer: (a)
Schwann cells form concentric rings around neurons
Question : 6
Which among the following have Open circulatory system?
- Arthropoda
- Mollusca
- Annelida
- Coelenterata
a) 1 and 3
b) 3 and 4
c) 1 and 2
d) 2 and 4
Answer »Answer: (c)
Body fluids do not require specialized vessels , but flow openly in body cavity.
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