CUET (UG) entrance exam Question Bank Solutions for Biology

Blood stains are found at the site of a murder. It DNA profiling technique is to be used for identifying the criminals, which of the following is ideal for use?

In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormality and it attacks self-cells, then it leads to:

Which one is not produced in aquaculture?

Which of the following organism form the decomposers?

An organism used as a biofertiliser for raising soyabean crop prediction is:

In a pyramid of biomass, if the total dry weight (kgm^-2) of primary produces is about 809, it well increases at tertiary consumer level up to ______.

Which one of the following is not a biofertilizer?

Some blue-green algae are used as bio fertilisers of their ______.

Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

Soil microorganisms mainly comprise:

Algal bloom results in ______.

A high Biological oxygen demand (BOD) indicates that ______.

The polluting strength of sewage is usually characterized by its ______.

The secondary cell wall of the plant is located:

Measures of ‘Central tendency’ refer to:

Nutrient enrichment of water body result.

The phenomenal and rapid increase of population in a short period is called ______.

Which of the following statements is correct for secondary succession?

Climax community is in a state of ______.

In which part of mitochondria is the Electron Transport System (ETS) located?