Biology Mock Test-3

Sarcolemma is a membrane found over

In which of the following animals the body cavity is a true coelom?

If a fruit is developed from bicarpellary, syncarpous, superior ovary with parietal placentation and unilocular when young but becoming biloclar with age and also pod like in appearance is termed as

Secondary cell wall grows by

L.P.G is

Hot spots are priority areas for in situ conservation. The key criteria for determining a hot spot is/are

Fossil fuels have been formed by a

Biomass produced by plants in oceans accounts for

Flavr savr variety of Tomato is

Cloning is means to

Biolistic technique is used in

A technique of deliberate manipulation of genes/transfer of gene to a different organism is

An outer covering membrane is absent over

All cells contain

Action of lysozyme is

A living substance of a cell was termed as ‘sarcode’ by

Viroids differ from viruses in having

Columella is a specialized sterile structure found in the sporangium of

Cell wall of bacteria is composed of

Emasculation is concerned with

Desired improved varieties of economically useful crops are raised by

Atmospheric nitrogen-fixation is carried by

A good example of an auxin herbicide is

If global warming continues, the organism which may face more severe threat is

Effect of pollution is on

Choose the correct sequence of air pollution and its components with the effect it produces

Bhopal tragedy is caused by

Giraffe has long neck, this can be attributed to

Every cell of the body contributes gemmules to the germ cells and so shares in the transmission of inherited characters. This theory is known as

Closely related species living in the same area/habitat are called as

According to one of the most widely accepted theory, earth’s atmosphere before origin of life consisted of a mixture of

Diameter of DNA helix is

Chromosome theory states that

A person whose blood group is A, its genotype can be written as

A dihybrid test cross yielding a result of 1 : 1 : 1 : 1 ratio is indicative of

Which of the following are not true cells in the blood?

Bicuspid valve regulates the flow of blood from

Animal requiring minimum amount of water to produce urine are

A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of

During expiration, the diaphragm becomes

Calorific value for carbohydrates, proteins and fats is

Bile salts help in

Amount of saliva secreted daily in humans is

Histamines are secreted by

Cirrhosis of the liver is caused by

Anti-viral substance is

Aedes aegypti is a vector of disease

Gonorrhoea is caused by

Cumulus proligerus cells are found around

Capacitation of sperms occurs in

Acrosome is a type of

In a muscle, the functional unit of contraction is the …….. Portion of myofibril between two successive ‘Z’ lines.

Energy is stored in the liver and muscles in the form of

An all-out sprint can’t continue for more than 40 seconds because

A sarcomere in the myofibrils of muscle is found in between

Highest number of antibiotics are produced by

During lactic acid fermentation

Cheese and yogurt are products of

A third generation pesticide is

Gaitore is a pathological condition associated with

During stress condition which of the following starts working

Bowman’s gland are located in

Adrenocorticotrophic hormone is secreted by

Chloroplast have maximum number of which of the following enzyme?

C₄ plants have an advantage over C₃ plants when the weather is

Assimilatory power’ is

3-phosphoglyceric acid (PGA) as the first CO₂ fixation product in algal photosynthesis was discovered by

The type of vertebrae in suborder ophidia is

The excretory material of marine bony fish is

Liver and pancreas of frog and rabbit are derived from

Bone marrow is absent in

Foolish seedling disease of rice led to the discovery of

Cytokinin synthesis is maximum in

Auxanometer is used to detect

A hormone delaying sencescence is

Identify the plant belonging to the reed-swamp stage in hydrarch succession.

Food and space, the major limiting factors of an animal population, operate through which of the following determinants to bring about comparative stability of the population?

Deciduous forests are characterised by

All population in a given physical area are defined as

Fragrant flowers with well-developed nectaries are adapted for

Endosperm may completely be consumed by the developing embryo before the seed maturation in

Devices for self-pollination are

Apomixis is the production of a new plant through

Connecting link between glycolysis and Krebs cycle is/before entering Krebs cycle pyruvic is changed to

As compared to anaerobic respiration, the energy gained during aerobic respiration is

Aerobic respiration is related with

Function of zinc in plants is

Deficiency symptoms of nitrogen and potassium are visible first in:

An osmometer is filled with 0.5 M solution of NaCl in water. In which of the following solutions it must be immersed in order to make it shrink?

A group of students are studying the transport of certain type of molecules in a cell. They observe that the transport slows down when the cells are treated with poison, a chemical, which inhibits energy production. But when studying molecules are normal conditions it is estimated that molecules are probably transported by