Savannah is
grass land
desert
forest
snow clad mountains
Correct Answer :
A. grass land
Related Questions
Blood of cockroach is
red
bluish
greenish
colourless
Bovine Spongiform Encephalopathy refers to
Brain Fever
Mad Cow Disease
Enteric Fever
Poultry Diarrhoea
The disease in which blood clotting does not take place is known as
xerophthalmia
haemopoiesis
haemophilia
haemoerythrin
Oparin is known for his hypothesis on
origin of species
origin of life
one germ one disease
one gene one enzyme
Late blight of potato is caused by
Puccinia
Pennisetum
Phytophthora
Erysiphe
Eye is an organ that can be called as
Phonoreceptor
Thigmoreceptor
Photoreceptors
Rheoreceptor
The specific gravity of blood
lower than water
higher than water
same as water
many times that of water
Loss of blood is
clotting
receding
healing
drying up
Which hormone is secreted when there is a rise in the blood glucose level?
Glucagon
Insulin
Nor-adrenaline
Thyroxine
Valves are present inside
arteries
capillaries
veins
aorta
The counting of RBCs is done with
haemocytometer
haemoglobinometer
clinostat
thermometer
The cavities of the brain are filled with
Blood
Lymph
Water
Cerebrospinal fluid
In phototropism, auxins
Promote growth of cells
Inhibit cell division
Inhibit growth of cells
Stimulate differential growth of cells
Intravascular clotting of blood is known as
anaemia
leucopenia
thrombosis
thrombin
The spider spins its web from a liquid secreting from its
posterior silk gland
posterior abdomen glands
mouth
salivary glands
The theory of use and disuse was used to explain evolution by
Lamarck
Darwin
De Vries
Wallace
Haemophilia is a hereditary disease carried by
females and expressed by females
females and expressed by males
males and expressed by females
males and expressed by males
Ecology of a population is known as
demecology
synecology
autecology
space ecology
If a father has blood group A and the mother has blood group 0, which one of the blood groups may be found in their progeny?
A
AB
O
Both (a) and (c)
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
Blood clotting requires vitamin
A
B
C
K
The external ears of man are intended for
ornaments
scattering sound waves
collect sound waves
beauty
Who considered evolution as due to mutation?
Charles Darwin
Lamarck
Hugo de Vries
Cuvier
When does the heart start functioning?
At birth
After birth
Before birth
After a week from birth
Malarial parasite is brought to human host by
male anopheles mosquito
female anopheles mosquito
male culex
female culex
The dreaded virus which, on reaching the central nervous system, produces spasms of the muscles of the throat and the cheat while swallowing, and is sure to kill the patient is
Poliomyelitis virus
AIDS virus
Smallpox virus
Rabies virus
What ia leukaemia?
proliferation of WBC
decrease of RBC
increase of platelets
decrease of WBC
In plants water is carried upwards by
phloem
paranchyma
xylem
meristem
Which element in chillies causes burning sensations?
Capsaicin
Cyanogen
Ammonia
Capsicum
AIDS is caused by the organisms which are
bacteria
fungi
viruses (HTLV III)
Protozoa