Necrosis is a symptom which is recognised by
pattern colouration on leaves
little leaves
out growth
death of tissues
Correct Answer :
D. death of tissues
Related Questions
Which one of the following animals stores water in the intestine?
Moloch
Camel
Zebra
Uromastix
The acid that is secreted in the stomach is
HCI
H2SO4
H2CO3
HNO3
Decomposition of organic matter is due to
Virus
Fungi
Bacteria
None of these
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
Which among the following vitamins is considered to be a harmone?
A
B
C
D
The science of improving the hereditary qualities of future generations of mankind is referred to as
genetics
eugenics
epigenesist
epistasis
The waste product In the urine of man is
urea
uric acid
ammonia
non-nitrogenous
Injection of insulin causes
increase in glucose in blood
decrease in glucose in blood
increase in blood pressure
decrease in blood pressure
The aphotic zone means that light is
always present
present during day
always absent
present during night
The latest drug for cancer is obtained from
Strychnos nuxvomica
Vinca rosea
Atropa belladona
Phyllanthus niruri
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
Lamarck's theory of inheritance of acquired characters was challenged by
August Weismann
Hugo de Vries
Herbert- Spencer
Carl Linnaeus
Afforestation means
study of forests
growing new forests
destroying the forests
go into the forests
The principal reason why it is better to have two eyes than one is that
by having two eyes, one can distinguish colours more easily
by having two eyes, one can easily see in the dark and dim light
this gives the man a type of vision known as mosaic vision
this enhances depth perception in the humans
The heart of the human embryo starts beating in the _____ week of its development.
second
third
fourth
first
Fusarium causes the wilting of the cotton plants by
clogging the vessels
producing toxic substance
causing necrosis of roots
killing the leaves
Eugenics is the application of genetics to improve
crop plants
fruit trees
cattle
human beings
Bird nu is a disease which affects and spreads through
Cattle
Sheep
Prawn
Poultry
Blood of cockroach is
red
bluish
greenish
colourless
Who discovered the electron microscope?
Knoll and Ruska
Rudolf and Kolliker
Robert Hooke
CP Swanson
Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What proportion of their offspring will be dwarf?
0.5
0.25
0.75
1
Name the nematode which lives in lymph vessels of man.
Ascaris
Hook worm
Filarial worm
Guinea worm
Which of the following is a good and rich source of vitamin 'C'?
Milk
Radish
Mango
Lemon Juice
The specific gravity of blood
lower than water
higher than water
same as water
many times that of water
Blood plasma from which fibrinogen is removed is known as
serum
blood concentrate
lymph
antibody component
The most accepted theory of the origin of earth is the fiery origin which was propounded by
Laplace
Chamberlain
James Jean
Hoyle
The disease in which blood clotting does not take place is known as
xerophthalmia
haemopoiesis
haemophilia
haemoerythrin
The pH of normal urine of man ranges from
6 - 8
4.5 - 6
2.5 - 6
8 10
Which of the following is a disease of brain?
SARS
AlDS
Diabetes
Alzheimer's
Which of the following diseases is considered as completely eradicated from India, as no case of the same has been reported in last one year?
Polio
Tuberculosis
Cancer
Swine flu