Name the enzyme produced by Streptococcus bacterium. Explain its importance in medical sciences.
Give a scientific term:
The development of an embryo without the occurence of fertilization.
Monoecious plant of Chara shows occurrence of
antheridiophore and archengoniophore on the same point
stamen and carpel on the same plant
upper antheridium and lower oogonium on the same plant
upper antheridium and lower oogonium on the same plant
Which of the following pairs is not correctly matched?
In vitro clonal propagation in plants is characterised by
PCR and RAPD
Northern blotting
Electrophoresis and HPLC
Electrophoresis and HPLC
In ginger vegetative propagation occurs through
rhizome
offsets
bulbils
bulbils
A.
rhizome
In ginger, vegetative propagation occurs through rhizome. Rhizomes are stems which grow horizontally under the ground. In ginger, the underground stems are swollen with food reserves. The terminal bud grows upward to produce the flowering shoot and the lateral buds grow out to form new plant.
Which is the most common mechanism of genetic variation in the population of sexually reproducing organism?
Transduction
Chromosomal aberrations
Genetic drift
Genetic drift
Which one of the following matches is correct?
Phytophthora | Aseptate mycelium | Basidiomycetes |
Alternaria | Sexual reproduction | Deuteromycetes |
Mucor | Reproduction by conjugation | Asocmycetes |
Mucor | Reproduction by conjugation | Asocmycetes |