Class 10 Biology Grand MCQs Tests

Enrichment of water with inorganic nutrients is called:

Who proposed “The Theory of Natural Selection”?

A large muscle that separates the chest cavity from abdominal cavity and helps in breathing is called:

When in the heterozygous condition one allele make the expression of the other, it is called:

The location of gene on the chromosomes is termed as:

Which one among these contains many dendrites but only one axon?

The Nervous System which controls conscious and voluntary actions is:

All of these are endo parasites EXCEPT:

Mendel carried out a large number of experiments on:

In double fertilization, endosperm nucleus is formed by fusion of a sperm with:

Special proteins which are present in pathogens and stimulate the immune response in the host are called:

Mucilage is produced in _______ plants.

The horizontal, elongated underground stems with scale leaves are called:

The initial step of carbohydrate fermentation and aerobic respiration is same. It is:

During unfavorable condition, Amoeba reproduces asexually by:

The tube between kidney and urinary bladder is the:

Nerves impulses which jump over the areas of myelin sheath going from node to node are called:

Acrylic acid produced by Bacillus bacteria is used in:

Body balance of water, salts, temperature and glucose is termed as:

The gaseous exchange in Humans occurs through:

The system which prepares the body to deal with the situation of fight or flight is:

Gaseous exchange in young roots occurs through:

Digitalis, the cardiotonic which is used to stimulate heart is made from the leaves of:

Oogonia are enclosed in the structure inside ovary called:

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

Aspirin is categorized as:

The disease in which virus destroys white blood cells and results in loss of immunity against infections is called:

How many genetically different kinds of gametes an individual with genotype AaBB can produce?

Microspore germinates into the:

All of the following are produced through Artificial selection from wild Mustard EXCEPT:

Gums are produced as waste material by:

The mature bone cells are:

Lungs are covered with double layered membranous sac called:

When we eat onions, our trophic level is:

Which of the following is NOT a part of axial skeleton?

The number of cranial bones in skull is:

A disease involving the breakdown of air sacs of lungs is:

Which of the following features of skin DOES NOT help in thermoregulation?

What are the chances of a baby to have blood group O, if the blood group of mother is O and that of father is AB?

The drug applied on wounds to stop bleeding is:

Which of the following nervous systems is responsible for “Fight or Flight” response?

In chromatin, DNA rapes around histone proteins and forms structures called:

Which type of blood vessels surrounds the alveoli?

Which one of the following lobe in cerebrum is connected with smell and hearing?

Rhizopus reproduces asexually by:

In woody stems and mature roots, the gaseous exchange takes place through:

Find the correct match for the fermentation product and the organism involved:

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

The opening of Larynx is called:

What passes through the membranes of a kidney machine (dialyzer)?

All of these are parts of hind brain EXCEPT:

An air pollutant which can cause acid rain is/are:

After injury, __________ is used to stop bleeding and prevent infection.

When we eat onion, our trophic level is:

In some plants, ovaries develop into fruit without fertilization. This process is known as:

In a Food Chain, Grass → Grasshopper → Frog → Snake, the secondary consumer is:

The white blood cells which recognize the weekend or dead pathogens and start producing antibodies against them are:

Which one of the following is not true for biceps?

Right human lung is slightly bigger and has:

Double fertilization in plants means:

Oxytocin and vasopressin are secreted by:

Petals of the flower collectively form the whorl known as:

The disorder in which there is an accumulation of uric acid in joints is called:

Insulin and glucagon are produced in the:

Which cartilage is found at the ends of long bones?

The addictive drugs Mescalling and Psilocin are used as:

The part of inner ear which contains receptors for hearing is called:

Which of the following is ball-and-socket joint?

The non-myelinated points between the areas of myelin on an axon are called:

Which sequence correctly describes the flow of energy in an ecosystem?

Binary fission in bacteria involves all EXCEPT:

The genotype having two identical alleles for a trait is known as:

Which one of the following is NOT true about Ligaments?

Breathing rate is controlled by respiratory center in the brain which is sensitive to the concentration of:

Which of the following enzyme is used to dissolve blood clots?

What are the main components of a bone?

The three semi circular canals and vestibule of inner ear are responsible for:

__________ is used to dissolve blood clots in body.

Identify the correctly matched pair:

Which of the following reaction shows the correct sequence of events of fermentation in bacteria?

The correct route of urine from distal convoluted tubules to bladder is:

Which of the following shows changes occurring in ciliary muscles and lens of eye while seeing a distant object?

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

Which one is NOT an objective of genetic engineering?

Parasitic plants grow special types of roots into host body to suck the nutrients. These roots are called as:

Which of the following is true about parthenogenesis?

Hinge joint is present in:

Asthma is caused by:

Find the INCORRECT statement:

Mendel's primary contribution to our understanding of inheritance was:

Which of the following is not an example of continuous variation?

Identify correctly matched pair:

Secretion of which gland in male reproductive system of Rabbit provides nutrients for sperm?

Which one of the following Hormones maintains balance of salt and water in the bloods?

Chest wall is made up of ribs. The number of ribs in humans is:

In a food chain, tree → caterpillar → robin → hawk → coyote, which is the secondary consumer?

Trachea or windpipe is a long tube which lies in front of:

Which of the following drugs is obtained from plants?

What are the main components of a bone?

Which of the following narcotics are derived from opium (Poppy)?

Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are:

The tube between kidney and urinary bladder is the:

A biological process in which nitrates and nitrites are reduced to nitrogen gas by bacteria is called:

The first step in genetic engineering is:

In a DNA molecule, Adenine always forms pair with:

Which of these is an anti-viral protein?

What causes the material to move from Glomerulas capillaries to Bowman's capsule?

Sympathetic and Para sympathetic nervous systems are responsible for the activities which can not be controlled consciously. These two systems comprise of:

The primary chemical stimulus for breathing is the concentration of:

Renal corpuscle is a part of nephron. It consists of:

Suckers are:

Which of the following is not a bad effect of smoking?

Double fertilization in plants means:

Insulin and glucagon are produced in the:

DNA-gives instructions for synthesis of:

How many bones make Human skull?

Aspirin is categorized as:

The vector DNA and attached Gene of interest are collectively called:

For the production of single cell proteins, the microorganisms are grown in:

The number of vertebrae in human vertebral column is:

If you look at an intact human brain, what you see the most is a large, highly convoluted outer surface, which is called:

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

Identify the correctly matched pair:

If a cross follows Menders law of independent assortment, it results in phenotypic ratio:

Find the correct match for the fermentation product and the organism involved:

Table below shows some hormones and their functions. Which hormone does not match with its function?

In young stem and leaves beside stomata some gaseous exchange also occurs through:

Body balance of water, salts, temperature and glucose is termed as:

The mature bone cells are called:

In chemical coordination, endocrine glands secrete chemicals which are/is:

Which one of the following is NOT a source of variation in sexually reproducing population?

Pollination is the transfer of pollens from:

Which of the following should NOT be done while taking medicines for a disease?

Which of the following is ball-and-socket joint?

The Hormone which may prove effective against brain and lung cancer is called:

Which form of Nitrogen is taken by the producers of the ecosystem?

Which type of blood vessels surrounds the alveoli?

Synthesis of an RNA molecule from a DNA template is known as:

Example of wind pollinated flower is:

Which of the following drugs is obtained from cactus?