Valve a are present inside
Arteries
Capillaries
Veins
Lymph vessels
Correct Answer :
C. Veins
Related Questions
Kangaroo is one of the animals popularly called as
egglaying
pouched
placental
Volant
The genetic code DNA is carried from the nucleus to Ribosome by
t-RNA
r-RNA
S-DNA
ATP
What do you mean by lentic biota?
Plants and animals in lakes and ponds
Plants and animals in forest
Plants and animals in sea water
Desert plants and animals
Diabetes is a disease which is
contagious
non-communicable
communicable
epidemic
Prions are composed largely of
DNA
proteins
RNA
None of these
Rate of mutation can be increased in plants by
More manure
More pesticides
X-ray
More light
The theory that cells arise from the pre-existing cells was proposed by
Nageli
Virchow
Schleiden
Muller
Geotropism is reaction of plants to the stimulus of
earth
light
sound
gravity
The muscles of the heart are
striated and involuntary
striated and voluntary
smooth and involuntary
smooth and voluntary
Turner's syndrome is a disease caused by
bacteria
virus
fungus
chromosomal imbalance
Who was the first scientist/doctor who attempted vaccination?
Joseph Lister
Robert Koch
Elie Metchnikoff
Edward Jenner
Rh+ blood is due to genes which are
dominant
recessive
codominant
neutral
One of the following is called a feminine hormone. Which one is it?
Oestrogen
Testosterone
Pituitrin
Thyroxine
Which of the following cell organelles play the most significant role in protein synthesis?
Lysosome and Centrosome
Endoplasmic reticulum and Ribosome
Golgi apparatus and Mitochondria
Lysosome and Mitochondria
Temperature treatment which shortens the vegetative period and hastens the flowering is called
Phototropism
Photoperiodism
Vernalisation
Thermoregulation
Maintenance of pregnancy is under the control of
follicular stimulating hormone
growth hormone
estrogen
progesterone
The ultimate substances to which the carbohydrates are degraded are
amino acid
glycerol
glucose
maltose
Phototropism means that plants react to the direction of
sound
wind
light
gravity
The hormone that is responsible for secondary sexual character in the male is
oestrogen
progesterone
testosterone
prolactin
Bird nu is a disease which affects and spreads through
Cattle
Sheep
Prawn
Poultry
For which of the following is insulin treatment given?
Cancer
Diabetes
Asthma
Typhoid
Bordetella pertussis causes
tetanus
diphtheria
whooping cough
rabies
The wall of the heart is made of programmed cell death is known as
voluntary muscles
involuntary muscles
cardiac muscles
skeletal muscles
The function of connective tissue is
to hold the other tissues together
to facilitate diffusion
to help transportation of dissolved material from capillaries to epithelial cells
protection
Blood clotting requires vitamin
A
B
C
K
The spider spins its web from a liquid secreting from its
posterior silk gland
posterior abdomen glands
mouth
salivary glands
Herbivores are
primary consumers
secondary consumers
tertiary consumers
decomposers
Fledgling is a term often used to denote the young one of a
bird
fox
dog
man
Jaundice is caused by a/an
virus
bacteria
fungus
animal
Loss of blood is minimized due to blood
clotting
receding
healing
drying up