Genes are made of
Carbohydrates
Proteins
Fats
Nucleotides
Correct Answer :
D. Nucleotides
Related Questions
The waste product In the urine of man is
urea
uric acid
ammonia
non-nitrogenous
The age of a tree can be determined by
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
The energy for the sperm to swim and reach the egg is provided by
tail
head
neck
mitochondria
The artificial kidney operates on the principle of
dialysis
diffusion
osmosis
active transport
Which one of the following is viral disease?
Syphilis
Influenza
Lock Jaw
Typhoid
The rate of heartbeat is accelerated by the hormone
adrenaline
acetylcholine
thyroxine
pituitrin
Oxygen transport is a function of
white blood corpuscles
red blood corpuscles
blood platelets
plasma
Fledgling is a term often used to denote the young one of a
bird
fox
dog
man
Blood cancer is otherwise called
Leukaemia
Leucoderma
Leucocytopenia
Erythrocemia
Afforestation means
study of forests
growing new forests
destroying the forests
go into the forests
Scrub jungle Is characterised by
heavy rainfall
no rainfall
poor rainfall
none of the above
When does the heart start functioning?
At birth
After birth
Before birth
After a week from birth
The tear glands help us in
sobbing
protecting the eye
preventing dust
providing a clean moist surface
The thrombocytes are associated with
blood coagulation
transport of respiratory gases
removal of nitrogenous wastes
All the above
One of the following is called a feminine hormone. Which one is it?
Oestrogen
Testosterone
Pituitrin
Thyroxine
Which one of the endocrine glands disappears after puberty?
Thyroid
Thymus
Adrenals
Pituitary
The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
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
In movable joints the tips of the bones are covered with
hyaline cartilage
calcified cartilage
elastic cartilage
fibrous cartilage
1 gm of carbohydrate gives energy which is about
3 k cal
2 k cal
4.2 k cal
8.1 k cal
The insect vector for the disease Leishmaniasis is
Tsetse fly
Culex
Phlebotomus
Anopheles
From the end of the Triassic to the cretaceous period the earth was ruled by
eurypterids
cotylosaurs
dinosaurs
mammals
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
Which of the following is a good and rich source of vitamin 'C'?
Milk
Radish
Mango
Lemon Juice
The equilibrium and co-ordination is looked after by which part of the brain?
Cerebrum
Medulla oblongata
Cerebellum
Olfactory lobes
Sleeping sickness in man is caused by the organism
plasmodium
entamoeba
giardia
trypanosome
The phenomenon of summer sleep by animals is called
hibernation
aestivation
laziness
lethargy
Which one of the following is essential for blood clotting?
RBC
WBC
Blood platelets
Lymph
Modern classification of the living world recognise ___________ kingdoms.
two
three
four
five
Turner's syndrome is a disease caused by
bacteria
virus
fungus
chromosomal imbalance