CO is harmful to human being because
it decreases CO2 concentration
it competes O2 to combine with haemoglobin
it is carcinogenic
it depletes O2 layer
B.
it competes O2 to combine with haemoglobin
Haemoglobin forms a stable compound with CO. The affinity of haemoglobin for CO is 200 times more than for O2 so even 0.1% CO blocks 50% haemoglobin of the body due to which oxygen carrying capacity of blood is decreased. This is called hypoxia.
The real forces responsible for the movement of water from one cell to another cell is mainly
Osmotic Pressure (OP)
Turgor Pressure (TP)
Diffusion Pressure Deficit (DPD)
imbibition
The amphibians of plant kingdom are
multicellular non motile algae
bryophytes with simple internal organisation
unicellular motile algae
pteridophytes with complex internal organisation.
Black rust of wheat is a fungal disease caused by
Melampsora lini
Claviceps Purpurea
Albugo candida
Puccinia graemzinis tritici
In which genera endospores are formed for reproduction
Monococcus and Clostridium
Bacillus and Clostridium
Mucor and Bacillus
None ofthe above
Which of the following is a day neutral plant
Helianthus annuus
Euphorbia pulcherrima
Avena sativa
Beta vulgaris
Heterospory is the production of
sexual and asexual spores
large and small spores
haploid and diploid spores
diploid and tetraploid spores
