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Recent questions in Biology

Questions >> JEEMAIN and NEET >> Biology

Biology

Diversity in Living World

Structural Organisation in Animals and Plants

Cell Structure and Formation

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Biotechnology - Principles and Processes

Why high pH and low temperature is favourable for the formation of oxyhaemoglobin ?

asked Jan 26, 2015 by venkatesh.purushotham

0 answers

How the contraction of intercostal muscles increase the volume of lungs?

asked Jan 26, 2015 by venkatesh.purushotham

0 answers

Why solubility of CO2 is 20-25 times more than that of O2 ?

asked Jan 25, 2015 by venkatesh.purushotham

1 answer

How thickness of membranes involved affect diffusion of gases in tissues ?

asked Jan 25, 2015 by venkatesh.purushotham

1 answer

Why active tissues have low pCO2 and high pO2?

asked Jan 25, 2015 by venkatesh.purushotham

1 answer

Why the intercostal muscles contract during inspiration?

asked Jan 25, 2015 by venkatesh.purushotham

1 answer

What is the difference between thoracic volume and pulmonary volume ?

asked Jan 25, 2015 by venkatesh.purushotham

1 answer

Biological magnification refers to

asked Jul 16, 2014 by sreemathi.v

1 answer

Which of the following elements helps in $N_2$ fixation in the roots of leguminous plants?

asked Jul 16, 2014 by sreemathi.v

1 answer

Biofertilisers give better yield when added along with

asked Jul 16, 2014 by sreemathi.v

1 answer

Which is the best fertilizer?

asked Jul 16, 2014 by sreemathi.v

1 answer

Biological control of pest is

asked Jul 16, 2014 by sreemathi.v

1 answer

A fern commonly found in rice field is

asked Jul 16, 2014 by sreemathi.v

1 answer

The aquatic fern,which is an excellent biofertilizer is

asked Jul 16, 2014 by sreemathi.v

1 answer

Due to which of the following organism,yield of rice is increased?

asked Jul 16, 2014 by sreemathi.v

1 answer

Farmers have reported 50% higher yield of rice by using fertiliser

asked Jul 16, 2014 by sreemathi.v

1 answer

Which one is a nonsymbiotic nitrogen fixer?

asked Jul 16, 2014 by sreemathi.v

1 answer

Third generation pesticides are

asked Jul 16, 2014 by sreemathi.v

1 answer

If wheat field is inoculated with Rhizobium

asked Jul 16, 2014 by sreemathi.v

1 answer

Symbiotic nitrogen fixation in root nodules of some legumes is caused by

asked Jul 16, 2014 by sreemathi.v

1 answer

Which of the following can use molecular nitrogen as nutrient?

asked Jul 16, 2014 by sreemathi.v

1 answer

Yield of paddy field can be increased by application of

asked Jul 16, 2014 by sreemathi.v

1 answer

Biofertilisers include

asked Jul 16, 2014 by sreemathi.v

1 answer

Which of the following is free-living aerobic and nonphotosynthetic nitrogen fixing bacterium

asked Jul 16, 2014 by sreemathi.v

1 answer

Crop rotation is carried out for

asked Jul 16, 2014 by sreemathi.v

1 answer

The phenomenon of using a predator for controlling a pest is

asked Jul 16, 2014 by sreemathi.v

1 answer

Azotobacter and Bacillus polymyxa are

asked Jul 16, 2014 by sreemathi.v

1 answer

Leghaemoglobin occurs in

asked Jul 16, 2014 by sreemathi.v

1 answer

Nitrogen-fixation is

asked Jul 16, 2014 by sreemathi.v

1 answer

Which element plays an important role in nitrogen -fixation

asked Jul 16, 2014 by sreemathi.v

1 answer

BGA is chiefly used as fertiliser in

asked Jul 16, 2014 by sreemathi.v

1 answer

Mycorrhiza represents

asked Jul 16, 2014 by sreemathi.v

1 answer

VAM represents

asked Jul 16, 2014 by sreemathi.v

1 answer

Biological control of pests is

asked Jul 16, 2014 by sreemathi.v

1 answer

Which is correct

asked Jul 16, 2014 by sreemathi.v

1 answer

Root nodules for nitrogen fixation of a nonleguminous tree possess

asked Jul 16, 2014 by sreemathi.v

1 answer

Nitrogen content of urea is

asked Jul 16, 2014 by sreemathi.v

1 answer

What is required for nitrogen-fixation by Rhizobium

asked Jul 16, 2014 by sreemathi.v

1 answer

The best fertiliser for paddy is

asked Jul 16, 2014 by sreemathi.v

1 answer

Composed manure is produced from

asked Jul 16, 2014 by sreemathi.v

1 answer

Green manuring enhances crop yield by

asked Jul 16, 2014 by sreemathi.v

1 answer

Sporeine was developed in

asked Jul 16, 2014 by sreemathi.v

1 answer

First bioinsecticide developed on commercial scale was

asked Jul 16, 2014 by sreemathi.v

1 answer

Rhizosphere is the region where

asked Jul 16, 2014 by sreemathi.v

1 answer

The earliest pesticide was

asked Jul 16, 2014 by sreemathi.v

1 answer

Pyrethrin is extracted from

asked Jul 16, 2014 by sreemathi.v

1 answer

Which one is an effective plant insecticide

asked Jul 15, 2014 by sreemathi.v

0 answers

VAM is

asked Jul 15, 2014 by sreemathi.v

1 answer

Azolla enriches rice fields with nitrogen due to its association with

asked Jul 15, 2014 by sreemathi.v

1 answer

Ladybug is a predator of

asked Jul 15, 2014 by sreemathi.v

1 answer

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