Green plants In the sea are useful for respiration of flash because they
release oxygen
release carbon dioxide
release oxygen and carbon dioxide simultaneously
take oxygen and give out carbon dioxide
Correct Answer :
A. release oxygen
Related Questions
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
Cancer cells are more easily damaged by radiation than normal cells because they are
different in structure
non-dividing
starved of nutrition
undergoing rapid division
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
Organisms that depend only on raw plant products are said to be
herbivorous
vegetarian
carnivorous
omnivorous
What is 'atavism'?
The genes which show numerous phenolypic effects
Reappearance of traits after several generations
Effects of mutation
Intermediate inheritance of genes
Tse-Tse fly is the vector for
malarial parasite
try peorosoma
piroplasm
microfilaria
Decomposition of organic matter is due to
Virus
Fungi
Bacteria
None of these
The animal that excretes uric acid
Monkey
Lizard
Mouse
Elephant
It is possible to produce seedless tomato fruits by
applying trace elements in tomato fields
spraying mineral solution on plants
spraying harmones on flowers
applying fertilizers containing radioactive elements
The eland having endorine as well as exocrine function is
Adrenal gland
Thyroid gland
Pituitary gland
Pancreatic gland
In a gamete there will be
one pair of sex chromosomes
only one sex chromosome
no sex chromosome
only autosomes
Waldeyer gave the name
microsome
chromosome
ribosome
lysosome
Saliva flows at the sight of food. This action is
involuntary
voluntary
a reflex
causative
Light compensation zone refers to
where light is available in plenty
where all light energy is used
where light is maximum
beyond which light does not penetrate
Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______ years.
2
3
5
8
Which among the following is not a degenerative disease?
Diabetes
Stroke
Myocardial infraction
Rabies
The geotropism of the roots that makes them grow towards gravity is said to be
positive
negative
neutral
oblique
The germ theory of diseases was put forward by
Louis Pasteur
Luister
Leuwenhoek
Flemming
Riboflavin is otherwise known as
vitamin B-complex
vitamin B2
vitamin A
vitamin E
The tear glands help us in
sobbing
protecting the eye
preventing dust
providing a clean moist surface
Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
snake
peacock
parrot
camel atmospheric pressure
Food substances are substances by
hormones
enzymes
vitamins
zymogens
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
Which among the following is a balanced fertiliser for plants?
Urea
Ammonium Sulphate
Nitrates
Compost
Athlete's Coot is the common name for the fungal disease
Tinea pedis
Tinea cruris
Tinea corporis
Tinea capitis
Hydrotropism means the growth of roots
away from water
towards water
into water
out of water
Sterilization, as the means for the prevention of sepsis in surgery, was practised and advocated by
Louis Pasteur
Edward .Jenner
Joseph Lister
Martinus Willem Beijerinck
Diseases in plants can be caused by
virus
bacteria
fungi
All the above
Vivipary is defined as germination
during storage
within the fruit
with cotyledons coming out of soil
with cotyledons remaining inside the soil
The method of inducing artificial immunity was discovered by
Jenner
Tolstoy
Pasteur
Morgan