Practice Questions answers set 3 - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) How many pairs of contrasting characters in pea pod were chosen by Mendel?
(a)
(b)
(c)
(d)
Mendel in his experiment considered total 7 characters (3 characters of seed i.e., seed shape, seed colour, cotyledon colour, 2 characters of pod i.e., plant height and position of pods on the stem).
Q-2) In Down's syndrome of a male child, the sex complement is
(a)
(b)
(c)
(d)
Q-3) How many different kinds of gametes will be produced by a plant having the genotype AABbCC?
(a)
(b)
(c)
(d)
Q-4) The largest flower found is known as
(a)
(b)
(c)
(d)
Rafflesia or Corpse flower is a total root parasite. It obtains the total nourishment from the roots of the host plant.
Q-5) Study of form and structure of organisms is
(a)
(b)
(c)
(d)
Q-6) All are ecosystems except
(a)
(b)
(c)
(d)
Q-7) The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierachial level in classification of plants
(a)
(b)
(c)
(d)
Q-8) Which of the following plants is growing in swampy areas, where many roots come out of the ground and grow vertically upwards?
(a)
(b)
(c)
(d)
Q-9) Which of the following is called amphibians of plant kingdom?
(a)
(b)
(c)
(d)
Q-10) Gene for colour blindness is located on
(a)
(b)
(c)
(d)
The gene which is responsible for colour blindness is carried on the X chromosome and this is the reason why many more men are affected than women. The blindness is manifested in terms of inability to distinguish between red and green colour.