The cell theory of Schleiden and Schwann states that
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
Correct Answer :
C. cells are basic units of plants and animals
Related Questions
The pH of normal urine of man ranges from
6 - 8
4.5 - 6
2.5 - 6
8 10
The cell theory of Schleiden and Schwann states that
cells reproduce by mitosis or meiosis
all cells have nuclei
cells are basic units of plants and animals
cells arise only from pre-existing cells
The corn in an underground stem that grows
horizontally
vertically
above the soil
obliquely
Which of the following is a vector-borne disease for which a special programme has been launched by the Govt. of India?
Polio
HIV / AIDS
Malaria
Cancer
The normal temperature of human body on the Kelvin scale is
280
290
300
310
Modern classification of the living world recognise ___________ kingdoms.
two
three
four
five
Chlorosis is the phenomenon where leaves have
more chlorophyll
less chlorophyll
no chlorophyll
patches of chlorophyll
Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment of
gout
blood cancer
coronary heart disease
polio
The pathogenic organisms of an infected person are destroyed by the action of
erythrocytes
leucocytes
blood platelets
all of these
Enzymes are produced by
endocrine glands
exocrine glands
liver
spleen
Which among, the following is a solid lubricant?
carbohydrate
graphite
protein
starch
The counting of RBC's can be performed by
Haemocytometer
Haemoglobinometer
Clinostat
Thermometer
Cretinism is due to the disorder of the glands
Thymus
Parathyroid
Thyroid
Adrenal
Maintenance of pregency is under the control of
Follicular stimulating hormone
Growth hormone
Estrogen
Progesterone
What is the colour of the outer portion of the spinal cord?
gray
brown
white
yellow
1 gm of carbohydrate gives energy which is about
3 k cal
2 k cal
4.2 k cal
8.1 k cal
The human heart is
Neurogenic heart
Myogenic heart
Pulsating heart
Ampullary heart
What is the bacterial disease in lime fruits?
Phythophthora
White rust
Citrus canker
Smut disease
The radicle of the seeding always grows
towards the gravity
away from gravity
neutral to gravity
towards light
The thermoregulatory centre in the human brain is the
Pituitary
Spinal cord
Cerebellum
Hypothalamus
The hypoglossal nerves are the pairs of the spinal nerves
First pair
Second pair
Third pair
Fourth pair
Whale reproduces by
ovipary
vivipary
ovovivipary
fission
The juice from the leaves of ________ is used for the treatment of diarrhoea, cholera and dysentery.
Caeselpinea
Bryophyllum
Centella
None of the above
The spores of Puccinia formed on the leaves of wheat are called
Basidiospores
Ascidiospores
Uredospores
Pycnospores
The hormone which is Popularly called as stress hormone is
Epinephrine
Cortisone
Thyroxine
Insulin
The disease Goitre is caused in persons who do not have in their diet sufficient
calcium
sodium
iodine
iron
Somato Tropic Hormone is concerned with
Body growth
Metamorphosis
Digestion
Reproduction
The bird that lays the largest egg is
crow
ostrich
cuckoo
eagle
Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
Rheumatism
Nervous shock
Muscular dystrophy
Cerebral haemorrhage
What are halophytes?
plants found in fresh water
plants growing in saline conditions
mesophytic plants
desert plants