List of top Biology Questions

During seed germination its stored food is mobilized by

Match the name of the animal (Column I) with one characteristics (Column II) and the phylum/class (column III) to which it belongs.

	Column I	Column II	Column III
(1)	Petromyzon	Ectoparasite	Cyclostomata
(2)	Ichthyophis	Terrestrial	Reptilia
(3)	Limulus	Body covered by chitinous exoskeleton	Pisces
(4)	Adamsia	Radially symmetrical	Porifera

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II

	Column I	Column II
(1)	Glycine, glucose	Small intestine, active absorption
(2)	Fructose, Na+	Small intestine passive absorption
(3)	Glycerol, fatty acids	Duodenum, move as chilomicrons
(4)	Cholesterol, maltose	Large intestine, active absorption

The characteristics and an example of a synovial joint in humans is

	Characteristics	Examples
(1)	Fluid cartilage between two bones, limited movements	Knee joints
(2)	Fluid filled between two joints, provides cushion	Skull bones
(3)	Fluid filled synovial cavity between two bones	Joint between atlas and axis
(4)	Lymph filled between two bones, limited movement	Gliding joint between carpals

Macro molecule chitin is

A good producer of citric acid is

Which one of the following organelle in the figure correctly matches with its function ?

A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is

A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is

During sewage treatment, biogases are produced which include

A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligent quotient and abnormal skin. It is due to

Incorrect statement with regard to haemophilia is

Which one of the following statements is correct regarding sexually transmitted infections $(STIs)$?

Which of the following represent maximum number of species among global biodiversity

A biologist studied the population of rats in a barn. He found that average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is

Pigment containing membranous extensions in some cyanobacteria are

Satellite RNAs are present in some

Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation?

A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is :

Which one of the following useful organisms is not a part in production of curd/yoghurt?

A major site for synthesis of lipids is

Global warming can be controlled by :

Syngamy can occur outside the body of the organism in

The term 'glycocalyx' is used for :

Kyoto Protocol was endorsed at