During ecological succession
the gradual and predictable change in species composition occurs in a given area.
the establishment of a new biotic community is very fast in its primary phase.
the number and types of animals remain constant.
the number and types of animals remain constant.
The UN conference of Parties on climate change in the year 2012 was held at
Durban
Doha
Lima
Lima
Which one of the following events in not associated with ovulation in human female?
Decrease in oestradiol
Full development of Graafian follicle
Release of secondary oocyte
Release of secondary oocyte
Most animals that in deep oceanic water are
primary consumers
secondary consumers
tertiary consumers
tertiary consumers
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Fibrinogin in plasma
Serum albumins
Haemocytes
Haemocytes
D.
Haemocytes
Globulin is one of the protein found in serum and it includes proteins, enzymes, complement and immunoglobins (antibody)
That's why, if major deficiency of antibodies is suspected in a person, the globulins in serum is tested as the confirmatory evidence.
Increase in concentration of the toxicant at successive tropic levels is known as
biomagnification
biodeterioration
biotransformation
biotransformation
Coconut water from a tender coconut is
Immature embryo
Free nuclear endosperm
Innermost layers of the seed coat
Innermost layers of the seed coat
Which of the following layers in an antral follicle is acellular?
Granulosa
Theca interna
Stroma
Stroma
The introduction of t-DNA into plates involves
Infection of the plant by agrobacterium tumefaciens
Altering the pH of the soil, then heat-shocking the plants
Exposing the plates to cold for a brief period
Exposing the plates to cold for a brief period
The DNA molecule to which the gene of interest is integrated for cloning is called
Transformer
Vector
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