Organisms that live in the deep sea are mainly
Herbivores
Carnivores
Detritivores
None of the above
Correct Answer :
C. Detritivores
Related Questions
Who was the first scientist to use an instrument for biological studies in 1665?
Robert Hooke
Schwann
Schleiden
None of the above
Stripes on the bodies of animals Indicate
mating habit
food habit
cave dwelling
matching of skin colour with the surroundings
Which of the following plays an important part in photosynthesis?
Chloroplast
Centrosome
Tonoplast
Nematoblast
Hormones are carried from their place of production by
Ducts
Blood
Lymph
Mucus
Which one is a water-soluble vitamin?
A
C
D
E
pH of blood remains constant due to
blood pressure
buffer action
perspiration
respiration
The theory that cells arise from the pre-existing cells was proposed by
Nageli
Virchow
Schleiden
Muller
The phenomenon of summer sleep by animals is called
hibernation
aestivation
laziness
lethargy
Saliva flows at the sight of food. This action is
involuntary
voluntary
a reflex
causative
The tear glands help us in
sobbing
protecting the eye
preventing dust
providing a clean moist surface
The rate of heartbeat is accelerated by the hormone
adrenaline
acetylcholine
thyroxine
pituitrin
Louis Pasteur developed the vaccine for ______ for the first time.
smallpox
cowpox
tetanus
chicken cholera
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
Kwashiorkor' is caused by deficiency of
carbohydrates
proteins
fats
vitamins
The disease in which blood clotting does not take place is known as
Xerophthalmia
Haemopoeisis
Haemophilia
Haemoerythrin
Nephrons are found inside
Liver
Lung
Brain
Kidneys
Vessels leaving the heart are
veins
arteries
capillaries
lymph ducts
Which one of the endocrine glands disappears after puberty?
Thyroid
Thymus
Adrenals
Pituitary
HIV causes
cancer
hepatitis
AIDS
Herpes
Blood platelets are found in
all vertebrates
all chordates
mammals only
birds and mammals
Which of these is most consistently observed in Vitamin B12 deficiency?
Pigmentation of skin
Red, sore tongue with capillary atrophy
Megaloblastic anemia
Absence of tendon reflexes
Insulin is produced in the human body by the
Heart
Kidney
Liver
Pancreas
Desert plants are called
Xerophytes
Bryophytes
Pteridophytes
Halophytes
The deficiency of Vitamin A which leads to poor vision during night is termed
nyctolopia
myopia
glaucoma
colour blindness
Antibodies are formed in
lymph nodes
red bone marrow
spleen
liver
Genes are arranged in chromosomes
In clusters
In binary fashion
In linear fashion
Scattered
Plant diseases are spread by
insects
man
wind
All the above
The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
Vivipary is defined as germination
during storage
within the fruit
with cotyledons coming out of soil
with cotyledons remaining inside the soil
In phototropism, auxins
Promote growth of cells
Inhibit cell division
Inhibit growth of cells
Stimulate differential growth of cells