Animals that can move from fresh water to sea called as______

Which of the following is correct for r-selected species

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively.

The interaction in nature, where one gets benefit on the expense of other is...

Organisms which can survive a wide range of temperature are called

Excess of fluoride in drinking water causes:

SMOG is derived from:

The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:

Which among the following always decreases in a Food chain across tropic levels?

The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as

As per 2017 statistics, the highest per capita emitter of Carbon dioxide in the world is

Which among the following is the most abundant Green-House-Gas (GHG) in the earth’s atmosphere?

PCR proceeds in three distinct steps governed by temperature, they are in order of

How many amino acids are arranged in the two chains of Insulin

Assertion(A): The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason(R): The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.

The purpose of biological treatment of waste water is to _______

The organization which published the red list of species is

Which of the following is considered a hotspots of biodiversity in India?

Who published the book “Origin of species by Natural Selection” in 1859?

Which of the following statements is not true about DNA replication in eukaryotes?

A mRNA molecule is produced by _____.

The foetal membrane that forms the basis of the umbilical cord is _____.

A marriage between a colourblind man and a normal woman produces _______.

B cells that produce and release large amounts of antibody are called

Exo-erythrocytic schizogony of Plasmodium takes place in _______