Which of the followings is mainly produced by the activity of anaerobic bacteria on sewage?
Propane
Mustard gas
Marsh gas
Marsh gas
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from
epididymis to vas deferens
ovary to uterus
vagina to uterus
vagina to uterus
Which of the following helps in absorption of phosphorus from the soil by plants?
Rhizobium
Frankia
Anabaena
Anabaena
Large woody vines are more epithelial cells in humans are known to occur in
mangroves
tropical rainforests
alpine forests
alpine forests
Which one of the following is the most widely accepted method of contraception in India, as at present?
Tubectomy
Diaphragms
IUDs (Intra Uterine Devices)
IUDs (Intra Uterine Devices)
C.
IUDs (Intra Uterine Devices)
At present, the most widely accepted method of contraception in India is IUDs (Intra Uterine Devices). These devices are effective and popular. These devices are inserted by doctors and expert nurses in the uterus through the vagina.
A person with unknown blood group under ABO system has suffered much blood loss in an accident and needs an immediate blood transfusion. His one friend who has a valid certificate of his own blood type offers for blood donation without delay. What would have been the type of blood group of the donor friend?
Type AB
Type O
Type A
Type A
The process of RNA interference has been used in the development of plants resistant to
fungi
viruses
insects
insects
Which one of the following conditions correctly describes the manner of determining the sex in the given samples?
XO type of sex chromosomes determine male sex in grasshopper
XO condition in humans as found in Turner syndrome determines female sex
Homozygous sex chromosomes (XX) produce male in Drosophila
Homozygous sex chromosomes (XX) produce male in Drosophila
Which one of the following organisms is not an example of eukaryotic cells?
Escherichia Coil
Euglena Viridis
Amoeba proteus
Amoeba proteus