Biology Mock Test-1

Tendons and ligaments are specialized types of

The difference between male and female cockroach is

Root cap is absent in

Radial vascular bundles occur in

In which zone is limited human activity permitted

Germplasm conservation at liquid N₂ temperature is

Decreased rainfall in northern areas is due to

An inexhaustible non-conventional universal source of energy is

DNA formed from RNA is

Bt toxin is

Bacteria protect themselves from viruses by fragmenting viral DNA with

A abnormal gene is replaced by normal gene. It is called

An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called

Adjacent cells are interconnected by

According of fluid mosaic model, plasma membrane is composed of

A bivalent chromosome consists of

Which one of the following rank contains organisms most similar to one another

Which disease is caused by virus

The algal component of foliose lichen is termed as

Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by

During callus differentiation which of the cells divide?

Bordeaux mixture was discovered by

Ammonium sulphate is

2,4-D is an effective

Ganga Action Plan was started in

Damage of O₃ layer is due to harmful effects of

Catalytic convertor is involvd in the control of

5th June is celebrated as

Connecting link between reptiles and birds is

As per NeoDarwinism, which is mainly responsible for evolution?

A baby has been born with a small tail. It is a case exhibiting

Colour blindness, in male, can be represented as

An important example of pleiotropy is

A gene that specifies amino acid sequence of a polypeptide chain is termed as

A condition where a certain gene is present in only a single copy in a diploid cell is called

Electrocardiograph was developed by

Athletes generally suffer from

Adult RBCs are produced by

A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate

Deficiency of which of the following causes anaemia?

Breathing is controlled by

Balanced diet should have approximately

A person is exclusively feeding on meat, egg and milk. He is likely to suffer from

Hassall’s bodies/corpuscles are found in

Bubonic plague’ is transmitted by

AIDS virus causes reduction in

Acquired Immune Deficiency Syndrome (AIDS) is characterised by

Fertilization of sperm and ova takes place in

Corpus luteum is developed from

Amniocentesis is a technique to

A human female reaches menopause around the age of

Identify the protein having oxygen storing capacity

Bones become fragile in

Acting binding sites are located on

…. acts as a shock absorber to cushion when tibia and femur come together

Devine and Collego are two trade names for

Broad spectrum antibiotics are the ones which attack

A free living nitrogen fixing cyanobacterium which also forms symbiotic association with Azolla is

Excess of which of the following hormones causes Cushing’s syndrome

Cornea is covered externally by a thin transparent membrane which is

Blood calcium level can be increased by the administration of

Acetylcholinesterase helps in breaking

Carboxylation (C₃ -cycle) is the fixation of CO₂ into

C₄ pathway for CO₂ fixation was proposed by

Adenosine triphosphate possess

…. Is the activator of ribulose biphosphate carboxylase oxygenase

The pigment haemocyanin is found in

Piercing and sucking mouth parts are found in

In gymnosperm, the endosperm is formed by

Animals having pseudocoelomate and triploblastic nature are present in phyla

Excessive elongation of plant stem is due to

Bud dormancy is induced by

ABA is involved in

A chemical compund having which of the following hormone is used for artificial ripening of fruits?

How much energy is consumed from one trophic level to another trophic level?

Excessive aerenchyma is the characteristic of

Characteristic feature of halophytes are

A progressive series of changes in plant and animal life of an area from initial colonization in known as

Formation of embryo sac in the angiosperms is called

Embryo from egg without fertilisation is

Development of a sporophyte directly from gametophytic tissue is called

A plant has 25 chromosomes in “microspore mother cell”. The number of chromosomes in its endosperm will be

Cellular respiration occurs in

ATP is injected in cyanide poisoning because it is

Anaerobic respiration, after glycolysis, is called

Acetyl CoA is produced from pyruvate by

For a plasmolysed cell which equation is correct?

Best defined function of Manganese in green plants is:

Active and passive transports across cell membrane differ in

…. Is part of symplast