The external ears of man are intended for
ornaments
scattering sound waves
collect sound waves
beauty
Correct Answer :
B. scattering sound waves
Related Questions
The pH of normal urine of man ranges from
6 - 8
4.5 - 6
2.5 - 6
8 10
Which of the following cell organelles play the most significant role in protein synthesis?
Lysosome and Centrosome
Endoplasmic reticulum and Ribosome
Golgi apparatus and Mitochondria
Lysosome and Mitochondria
The aphotic zone means that light is
always present
present during day
always absent
present during night
Which one of the following animals stores water in the intestine?
Moloch
Camel
Zebra
Uromastix
What do you mean by the term fauna?
plant kingdom
animal kingdom
both plant and animal kingdoms
A part of plant kingdom
Wallace's line is a line
drawn by Darwin
across the mountains
between two zoo-geographical areas
between different classes of animals
pH of blood remains constant due to
blood pressure
buffer action
perspiration
respiration
The two minerals required to keep teeth and bones intact and in good condition are
lead and zinc
calcium and phosphorus
copper and sulphur
iron and iodine
Which of the following is a good and rich source of vitamin 'C'?
Milk
Radish
Mango
Lemon Juice
Oxygen transport is a function of
white blood corpuscles
red blood corpuscles
blood platelets
plasma
The thermoregulatory centre in the human brain is the
Pituitary
Spinal cord
Cerebellum
Hypothalamus
Which one of the following seeds can benefit a patient of diabetes mellitus by normalising his blood sugar level?
Coriander seeds
Fenugreek seeds
Cumin seeds
Mustard seeds
The bone cells are connected with each other by
Haversian canal
canaliculi
capillaries
matrix
The plant cells are surrounded rigidly by
plasmalemma
cell membrane
cell wall
plasma membrane
The organ that produces antibodies in our body is
pancreas
salivary gland
liver
gonads
Diabetes is caused by
fall in insulin level
increase in insulin level
eating too much sugar
decrease in glucose
Vestigeal organs are those which are
fully formed and functional
much reduced but functional
much reduced and functionless
fully formed but functionless
Man has ____ pairs of salivary glands.
3
4
6
8
The hypoglossal nerves are the pairs of the spinal nerves
First pair
Second pair
Third pair
Fourth pair
The biogenetic law was proposed by
Alfred Russel Wallace
Charles Darwin
Ernst von Haeckel
Lamarck
Stripes on the bodies of animals Indicate
mating habit
food habit
cave dwelling
matching of skin colour with the surroundings
Fusarium causes the wilting of the cotton plants by
clogging the vessels
producing toxic substance
causing necrosis of roots
killing the leaves
Aphids are
insect pests
fungal pests
bacterial pests
viral pests
Best growth of plants is attained if they are supplied with
low carbohydrate and high nitrogen
high carbohydrate and low nitrogen
high carbohydrate and moderate nitrogen
equal carbohydrate and nitrogen
Diabetes is a disease which is
contagious
non-communicable
communicable
epidemic
Decomposition of organic matter is due to
Virus
Fungi
Bacteria
None of these
Dinosaur is a/an
Fish
Amphibian
Reptile
Bird
What is an antigen?
Toxic substance
A kind of protein
Blood platelets
Blood corpuscles
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
Which among the following animals has the largest Intestine?
Cow
Lion
Monkey
Tiger