Biology Questions

Which one of the following is not a source of energy?

The coding segment of DNA is called

Silk farming is commercially known as

All biological organisms belonging to the kingdom Protista are

All organisms belonging to the kingdom Protista are

Silk farming is known as

Which one of the following statement is correct?

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?

The finches of Galapagos islands provide an evidence in favour of:

What is true about Nereis, Scorpion, Cockroach and Silver fish?

Which of the following pairs are correctly matched?

Which one of the following is a matching pair of a body feature and the animal possessing it?

Two plants can be conclusively said to belong to the same species if they:

Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, then $F_2$ segregation will show:

About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and:

Which one of the following pairs is mismatched?

Differentiation of organs and tissues in a developing organism is associated with:

Industrial melanism as observed in peppered moth proves that:

The concept of chemical evolution is based on:

Which part of ovary in mammals acts as an endocrine gland after ovulation?

Among the human ancestors the brain size was more than $1000\text{cc}$ in:

Which one of the following is an example of negative feedback loop in humans?

One of the important consequences of geographical isolation is:

The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show?

What is common to whale, seal and shark?

In human body, which one of the following is anatomically correct?

When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:

Adaptive radiation refers to:

Which one of the following pairs is wrongly matched?

The biological organisation starts with:

Which one of the following pairs of structures distinguishes a nerve cell from other types of cell?

The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for:

Nitrogen fixation in root nodules of Alnus is brought about by:

Bacterial leaf blight of rice is caused by a species of:

Which one of the following is linked to the discovery of Bordeaux mixture?

Which of the following is being tried in India as a biofuel substitute for fossil fuels?

Which two of the following statements about biomedical technologies are correct?(a) During open heart surgery, blood is circulated in the heart-lung machine.(b) Blockage in coronary arteries is removed by angiography.(c) $\text{CAT}$ shows detailed internal structure as seen in a section of the body.(d) X-ray provides detailed images of soft organs like the prostate gland.

Modern detergents contain enzyme preparations of:

Which one of the following proved effective for biological control of nematodal disease in plants?

Which two measures can successfully control bacterial blight in chick-pea?(a) Spray with Bordeaux mixture.(b) Control the insect vector.(c) Use only disease-free seeds.(d) Use varieties resistant to the disease.

Which of the following plant species you would select for the production of bioethanol?

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

Which one of the following is correctly matched?