List of top Biology Questions

What is the chromosome number in human gametes?
Which among the following is not a connective tissue?
Which among the following diseases is not caused by bacteria?
Which blood vessel carries oxygenated blood from the lungs to the heart?
Which of the following organisms exhibits alternation of generations?
Which of the following is the structural and functional unit of the kidney?
A bilobed dithecous anther has 200 microspore mother cells per microsporangium. How many male gametophytes can be produced by this anther?
In a chloroplast, which of the following sites trap solar energy?
Which process is summarized by the following equation? \[ 6CO_2 + 12H_2O \xrightarrow[\text{Chlorophyll}]{\text{Light energy}} C_6H_{12}O_6 + 6H_2O + 6O_2 \]
For absorbing plant juices an Aphid pierces its proboscis into which part of the plant?
The process of mastication of the food in the mouth leads to the formation of which substance?
What is the \% of carbon dioxide in the inhaled and exhaled air?
What is the liquid portion that forms after the blood clot?
Which of the following are water soluble vitamins?
Deficiency of which vitamin delays blood clotting in man?
The difference in characters within very closely related groups of organisms are called:
In which form is energy stored in the mitochondria?
\_\_\_\_\_\_\_ is a means of reproduction without involvement of gametes or involving a single parent:
What is the blood pressure in a healthy adult human?
\_\_\_\_\_\_\_ in the forebrain and vagus nerve play an important role in carrying signals of hunger to the brain:
Algae, fungi, and many land plants commonly reproduce by \_\_\_\_\_\_\_:
Choose the correct order: Grass \(\rightarrow\) ??? \(\rightarrow\) Rabbit \(\rightarrow\) ??? \(\rightarrow\) Fox \(\rightarrow\) ??? \(\rightarrow\) Wolf
Drip irrigation can reduce water consumption by \_\_\_\_\_\ percent.
We get hunger pangs in the stomach as \_\_\_\_ levels in the blood fall.
Percentage of fresh water on Earth is \_\_\_\_\_\_.