Study the given classification chart of plant fibres. Plant fibres
Which of the following holds true for P, Q, R and S?
AP could be flax or jute.
BP and Q are biodegradable whereas R and S are non-biodegradable.
CQ could be coir whereas S could be sisal.
DBoth A and C
Select the option that correctly satisfies the same relationship based on their feeding habit.
A Lion : Cow
B Rabbit : Frog
C Cat : Mosquito
D Dog : Buffalo
SQURRIEL IS AN OMNIVORE.PLEASE EXPLAIN.
Man X is standing in front of a plane mirror while man Y is running towards him from behind. If the
man Y is running at a speed of 1 m s-1, how many
metres nearer does the man Y seem to be away from
man X after 5 seconds?
in mirror the distance is doubled
6 is related to 35 and 8 is related to 63 in the same way as 4 is related to ______.
Refer to the given statements and select the option that corrects underlined word wherever necessary.
I. Endoplasmic reticulum is responsible for packaging and transporting products of glandular cells.
II. Vacuoles contain chemical substances that digest intra and extracellular materials.
III. Ribosomes are membranous structures found scattered in the cytoplasm of all cells.
IV. Mitochondria are absent in mature mammalian red blood cells.
AEndoplasmic reticulum in I must be replaced by Golgi apparatus whereas membranous in III must be replaced by non-membranous.
BVacuoles in II must be replaced by Centrosomes whereas membranous in III should not be replaced as it is correctly mentioned.
CRed blood cells in IV must be replaced by sperms.
DEndoplasmic reticulum in I must be replaced by Peroxisome whereas Vacuoles in II must be replaced by Lysosomes.
answer is a
Study the given differences between two blood vessels.
Identify X and Y and select the correct option.
A Walls of X are permeable to gases and other substances whereas walls of Y are impermeable to gases and other substances.
B X carries deoxygenated blood except pulmonary vein whereas Y carries oxygenated blood except the pulmonary artery.
C A series of valves are present in Y which help to prevent back flow and allow blood to flow only towards the heart.
D All of these.