Questions
The scientific name of bakers yeast is
- Aspergillus niger
- Acetobacter aceti
- Propionibacterium shermanii
- Saccharomyces cerevisiae
Name the acid obtained with the help of aspergillus niger.
- Acetic acid
- Lactic acid
- Butyric acid
- Citric acid
Streptokinase obtained from some microbe is used as
- immunosupressent
- friuit juice clarifying agent
- blood cholesterol reducing agent
- clot buster
The scientific name of house fly is
- Apis indica
- Musca domestica
- Periplaneta americana
- Drosophila melanogaster
The basic unit of classification is
- phylum
- class
- genus
- species
Panthera pardus is the scientific name of
- tiger
- lion
- leopard
- cat
The canal system is the characteristic feature of
- porifera
- cnidaria
- mollusca
- echinodermata
Nephredia is the excretory organ in
- Mollusca
- Arthropoda
- Annelida
- Echinodermata
In nucleotides pentose sugar linked to nitrogen base by
- hydrogen bond
- peptide bond
- glycosidic bond
- phosphodiester bond
The modern horse is known as
- Eohippus
- Merychippus
- Equus
- Pliohippus
In the digestive system of a cockroach food is stored in
- oesophagus
- crop
- ileum
- gizzard
Chloride shift occurs when carbondioxide is transported in
- dissolved form
- the form of carbamino haemoglobin
- the form of carboxy haemoglobin
- the form of bicarbonate
Which of the following secrets testosterone?
- Sertioli cells
- Corpus Luteum
- Leydig cell
- Germ cells
Which gland secretes melatonin?
- Thymus
- Hypothalamus
- Pineal
- Thyroid
Which of the following endocrine glands is called Throne of Immunity?
- Pituatory
- Adrenal
- Thymus
- Thyriod
Myxoedema is due to the deficiency of
- calcotonin
- adrenalin
- insulin
- thyroxine
'Devonian period' is the age of
- amphibians
- reptiles
- mammals
- fishes
Which harmone is called birth harmone or milk ejecting harmone?
- Prolactin
- Adrenalin
- Progesterone
- Oxytocin
Name the cells in Islets of Langerhans which produce glucagon.
- Delta cells
- Beta cells
- Theta cells
- Alpha cells
The nervous system in human beings is a derivative of
- endoderm
- ectoderm and endoderm
- mesoderm
- ectoderm
The cardiovascular system is a derivative of the
- ectoderm
- endoderm
- mesoderm
- ectoderm and endoderm
The process that establishes the three germ layers in embryo is called
- gastruation
- cleavage
- organogenesis
- implantation
The wrist is an example of
- fibrous joint
- ellipsoid joint
- saddle joint
- pivot joint
An open circulatory system is characterised by
- the absence of a heart
- the absence of blood vessels
- blood with a composition different from that of tissue fluid
- a higher-pressure circuit through gills than to other organs.
The opening of occipital bone of the cranium through which medulla oblongata passes is called
- foramen ovale
- foramen spinosum
- foramen magnum
- foramen lacerum