On the basis of utility, Nagpuri buffaloes are categorized as
milkers
dual purpose
drought cattle
grazers
A.
milkers
Nagpuri buffoles are categorized as milkers. They also include Murrah, Jafferabadi, Nili, Ravi and Surti.
Pureline breed refers to
homozygosity
heterozygosity
homozygosity with only dominant genes
heterozygosity and linkage
A.
homozygosity
Pure line breed refers to a group of identical individuals that always produce offspring of the same phenotype when intercrossed. This occurs only when they are homozygous.
Elephantiasis is caused by
Entamoeba coli
trematodes
cestodes
Wuchereria bancrofti
D.
Wuchereria bancrofti
Elephantiasis is caused by Wuchereria bancrofti. It is called so due to enormous swelling of affected part.
Which one of the following codons codes for the some information as UGC?
UGU
UGA
UAG
UGG
A.
UGU
Wobble Hypothesis helps to understand why multiple codons can code for a single amino acid. UGC and UGU suggest wobble hypothesis and both stand for same amino acid cystin.
If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?
100%
50%
0%
75%
B.
50%
Haemophilia is a X-linked recessive disorder. The presence of single X-chromosome (with haemophilia gene) show the disease in male. Therefore, in the above example, boy chances of inheriting the disease is 50%.
Male mosquito is not sanguivore as
it lacks cutting and biting mandibles
it does not require any kind of proteins
it lacks smelling power
All of the above
C.
it lacks smelling power
Sanguivorous feed on blood and thus have sucking type of mouth parts male mosquito has not such parts.
The movements of neutrophils to the site of inflammation is due to
release of hormone
Chemotaxis
activity of antigens
activations of antigens
B.
Chemotaxis
Chemotaxis is the movement of an organism in response to a chemical stimulus. Neutrophils movement to the site of inflammation is due to chemotaxis.
What type of sorus is present in Nephrolepsis?
Coenosorus
Simple
Mixed
None of these
C.
Mixed
Sporangia arise without any order of development, therefore, called mixed type, e.g., Nephrolepis.
Which of the following plant is efficient converter of solar energy whose net productivity is 2-4 kg/m2/yr or even higher?
Wheat
Rice
Sugarcane
Bajra
C.
Sugarcane
Sugarcane is the plant which is a converter of solar energy whose net productivity is 2-4 kg/m2/yr . This is because it is a photosynthetic C4 plant and it does not perform photrespiration.
Rarely observed phenotype in population is called
wild type
mutant type
variant type
All of these
B.
mutant type
Wild type refers to a strain, organism or gene, that is predominant in the wild population, while mutant form is observed rarely.