Practice Ibps gk questions set 2 - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) In which of the following reptiles four chambered heart is present ?
(a)
(b)
(c)
(d)
Q-2) Which of the following organs can be called as a sort of "blood bank" ?
(a)
(b)
(c)
(d)
Q-3) Which part of human body maintain the body temperature?
(a)
(b)
(c)
(d)
Q-4) Melatonin is produced by
(a)
(b)
(c)
(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.
Q-5) Which tissue does lack blood supply and heals slowly ?
(a)
(b)
(c)
(d)
Q-6) Carolus Linnaeus is known as Father of Taxonomy. He wrote the book- Systema Naturae
- Genera Plantarum
- Species Plantarum
- Philosphie Zoolozique
Which of these are true?
(a)
(b)
(c)
(d)
Philosophie zoologique is an 1809 book by Jean-Baptiste Lamarck in which he outlines his theory of evolution now known as Lamarckism.
Q-7) Biological catalysts in living organisms are known as
(a)
(b)
(c)
(d)
Q-8) The hormone reducing transpiration rate by inducing stomatal closure is
(a)
(b)
(c)
(d)
Q-9) Plants are formed like parent plant from
(a)
(b)
(c)
(d)
Q-10) Which of the followings organelles having single membrane bound structures ?
- Endoplasmic reticulum
- Golgi bodies
- Mitochondria
- Plastids
(a)
(b)
(c)
(d)
Each mitochondrion is a double membrane-bound structure with the outer membrane and the inner membrane dividing its lumen distinctly into two aqueous compartments.
The chloroplast is also double membrane-bound. Of the two, the inner chloroplast membrane is relatively less permeable.