Class 10 Biology Grand MCQs Tests

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

The mature bone cells are:

The gaseous exchange in Humans occurs through:

Who proposed “The Theory of Natural Selection”?

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

Microspore germinates into the:

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

The drug applied on wounds to stop bleeding is:

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

Insulin and glucagon are produced in the:

Which cartilage is found at the ends of long bones?

Identify the correctly matched pair:

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

Which one of the following is NOT true about Ligaments?

Aspirin is categorized as:

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

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

Oogonia are enclosed in the structure inside ovary called:

Which one of the following is not true for biceps?

Right human lung is slightly bigger and has:

The opening of Larynx is called:

Oxytocin and vasopressin are secreted by:

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

Rhizopus reproduces asexually by:

During unfavorable condition, Amoeba reproduces asexually by:

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

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

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

The Nervous System which controls conscious and voluntary actions is:

Lungs are covered with double layered membranous sac called:

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

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

When we eat onion, our trophic level is:

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

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

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

All of these are endo parasites EXCEPT:

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

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

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

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

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

Mucilage is produced in _______ plants.

Acrylic acid produced by Bacillus bacteria is used in:

Double fertilization in plants means:

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

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

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

Binary fission in bacteria involves all EXCEPT:

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

__________ is used to dissolve blood clots in body.

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

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

Which type of blood vessels surrounds the alveoli?

What are the main components of a bone?

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

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

The addictive drugs Mescalling and Psilocin are used as:

All of these are parts of hind brain EXCEPT:

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

Enrichment of water with inorganic nutrients is called:

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

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

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

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

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

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

The location of gene on the chromosomes is termed as:

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

The number of cranial bones in skull is:

Gaseous exchange in young roots occurs through:

Gums are produced as waste material by:

Petals of the flower collectively form the whorl known as:

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

The tube between kidney and urinary bladder is the:

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

When we eat onions, our trophic level is:

Mendel carried out a large number of experiments on:

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

Which type of blood vessels surrounds the alveoli?

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

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

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

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

Pollination is the transfer of pollens from:

Insulin and glucagon are produced in the:

The mature bone cells are called:

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

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

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

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

The first step in genetic engineering is:

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?

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

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

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

Suckers are:

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

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

Example of wind pollinated flower is:

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

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

Find the INCORRECT statement:

Which of these is an anti-viral protein?

Which one is NOT an objective of genetic engineering?

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

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

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

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

Aspirin is categorized as:

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

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

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

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

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

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

In a DNA molecule, Adenine always forms pair with:

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

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

DNA-gives instructions for synthesis of:

Which of the following is true about parthenogenesis?

What are the main components of a bone?

The number of vertebrae in human vertebral column is:

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

Which of the following drugs is obtained from plants?

The tube between kidney and urinary bladder is the:

How many bones make Human skull?

Hinge joint is present in:

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

The primary chemical stimulus for breathing is the concentration of:

Identify correctly matched pair:

Double fertilization in plants means:

Identify the correctly matched pair:

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

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

Which of the following drugs is obtained from cactus?

Asthma is caused by:

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