The blood of cockroach shows the following characteristics except one. Mark it.
It serves to distribute nutrient directly to every part of the body
It contains several kinds of corpuscles without haemoglobin
It collects metabolic wastes
It carries oxygen
Correct Answer :
D. It carries oxygen
Related Questions
The blood of cockroach shows the following characteristics except one. Mark it.
It serves to distribute nutrient directly to every part of the body
It contains several kinds of corpuscles without haemoglobin
It collects metabolic wastes
It carries oxygen
Savannah is
grass land
desert
forest
snow clad mountains
The science dealing with diseases of plants is called
Plant anatomy
Plant ecology
Plant pathology
Plant morphology
The cell theory of Schleiden and Schwann states that
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
The theory of 'jumping genes' was propounded by
Gregor John Mendel
Thomas Hunt Morgan
Barbara McClintock
Watson and Crick
Oxygen transport is a function of
White Blood Corpuscles
Red Blood-Corpuscles
Blood Platelets
Plasma
Man has ____ pairs of salivary glands.
3
4
6
8
Vessels proceeding to the heart are
veins
arteries
capillaries
lymph ducts
Blood pressure is measured by
Auxanometer
Stethoscope
Sphygmomanometer
Kaleidoscope
Leafy trees help in preventing
Land pollution
Water pollution
Noise pollution
Air pollution
The first sign of life made its appearance on the earth about
1 million years ago
500 million years ago
1 billion or 1000 million years ago
3 billion years ago
Blood cancer is otherwise called
Leukaemia
Leucoderma
Leucocytopenia
Erythrocemia
Polyploid wheat does not normally show an increase in
size
vigour
length of the life cycle
resistance to desease
The involuntary muscles are controlled by the
Cerebrum
Cerebellum
Medulla oblongata
Pons
The cortex of human brain normally consists of
five billion, two hundred million cells
nine billion, two hundred million cells
six billion, two hundred million cells
eight billion, two hundred million cells
The following disease is prevented by triple-antigen immunization
Diphtheria
Tuberculosis
Smallpox
Mumps
Organisms that depend only on raw plant products are said to be
herbivorous
vegetarian
carnivorous
omnivorous
The first person to observe the bacteria, protozoa and spermatozoa under the microscope was
Theodore Schwann
Matthias Schleidon
Robert Hooke
Leuwenhoek
Vaccine for influenza has been discovered by
Khorana
John
Mittel
Salk
Valve a are present inside
Arteries
Capillaries
Veins
Lymph vessels
Lizards, snakes, crocodiles and turtles belong to the class
Aves
Reptilia
Mammalia
Amphibia
Gases of Jupiter' are
Ammonia, Methane, Hydrogen
Sulphur, Urethane, Oxygen
Carbon, Phosphorus and Oxygen
Nitrogen, Hydrogen and Chlorine
Compared to the veins, the walls of arteries are
thicker
thinner
similar
very much thinner
Cretinism is due to the disorder of the glands
Thymus
Parathyroid
Thyroid
Adrenal
Which among the following is the best source of proteins?
apples
butter
beans
fish
The acid that is secreted in the stomach is
HCI
H2SO4
H2CO3
HNO3
Blood is a kind of
epithelial tissue
connective tissue
nervous tissue
cartilage
Which among the following is not a degenerative disease?
Diabetes
Stroke
Myocardial infraction
Rabies
Plants grown in darkness show
stout stem
long internodes
bigger leaves
no growth at all
A biopsy is performed on a patient generally to detect which one of the following?
Cancer
Tuberculosis
Appendicitis
Renal failure