List of top Biology Questions

The male cone of Cycas is made up of a group of
The male gametes of rice plant have $12$ chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
The main purpose for the classification of organisms is to
The main difference between fat and oil is that
The macrophages in human body exhibit
The lower surface of leaf will have more number of stomata in a
The life span of thrombocytes is
The largest reservoir of nitrogen on Earth is
The largest invertebrate Architeuthis dux is a
The largest flower found is known as
The kingdom protista was established by
The Kingdom Protista forms a link with Kingdom
The kind of coelom represented in the diagram given below is characteristic of:
The inheritance of flower colour in Antirrhinum (dog flower) is an example of
The impact of loss of biodiversity include
The functional unit of mitochondria is
The given figure represents head region of cockroach. In which one of the options all the four parts $A, B, C$, and $D$ are labelled correctly?
The figure given below shows three stages in the cardiac cycle.
Which of the following sequences is correct regarding this?
The female external genitalia include (i) ovary (ii) mammary gland (iii) mons pubis (iv) clitoris (v) labia majora
The female sex organ in Riccia and Funaria is
The figure given below shows the head region of cockroach. Identify A to F.
The expression "Gynoecium is apocarpous" implies that the
The exponential growth can be expressed as W = We. What is 'r' in the expression ?
The expanded form of $DDT$ is
The exotic species, which when introduced in India became notorious weed, is