Class 10 Biology Grand MCQs Tests

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

The number of cranial bones in skull is:

Mucilage is produced in _______ plants.

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

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

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

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:

The location of gene on the chromosomes is termed as:

Aspirin is categorized as:

What are the main components of a bone?

Microspore germinates into the:

During unfavorable condition, Amoeba reproduces asexually by:

Right human lung is slightly bigger and has:

Which cartilage is found at the ends of long bones?

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

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

All of these are endo parasites EXCEPT:

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

The Nervous System which controls conscious and voluntary actions is:

Gaseous exchange in young roots occurs through:

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

Which one of the following is not true for biceps?

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

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

Which one of the following is NOT true about Ligaments?

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

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

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

Oogonia are enclosed in the structure inside ovary called:

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

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

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

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

Lungs are covered with double layered membranous sac called:

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?

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

The gaseous exchange in Humans occurs through:

Gums are produced as waste material by:

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

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

Which type of blood vessels surrounds the alveoli?

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

Acrylic acid produced by Bacillus bacteria is used in:

Enrichment of water with inorganic nutrients is called:

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

Who proposed “The Theory of Natural Selection”?

Double fertilization in plants means:

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

All of these are parts of hind brain EXCEPT:

Rhizopus reproduces asexually by:

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

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

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

Insulin and glucagon are produced in the:

Oxytocin and vasopressin are secreted by:

Petals of the flower collectively form the whorl known as:

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

The drug applied on wounds to stop bleeding is:

Mendel carried out a large number of experiments on:

Identify the correctly matched pair:

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

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

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

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

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

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

The addictive drugs Mescalling and Psilocin are used as:

Binary fission in bacteria involves all EXCEPT:

When we eat onion, our trophic level is:

__________ is used to dissolve blood clots in body.

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

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

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

The opening of Larynx is called:

The mature bone cells are:

When we eat onions, our trophic level is:

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

The tube between kidney and urinary bladder is the:

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

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

Which of the following drugs is obtained from plants?

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

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

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

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

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:

Example of wind pollinated flower is:

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

DNA-gives instructions for synthesis of:

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

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

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

Which of these is an anti-viral protein?

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

Which one is NOT an objective of genetic engineering?

Identify the correctly matched pair:

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

Identify correctly matched pair:

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

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

The number of vertebrae in human vertebral column is:

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

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

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

Which type of blood vessels surrounds the alveoli?

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

Asthma is caused by:

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

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

Find the INCORRECT statement:

Aspirin is categorized as:

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

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

Double fertilization in plants means:

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

The primary chemical stimulus for breathing is the concentration of:

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

Suckers are:

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

In a DNA molecule, Adenine always forms pair with:

Hinge joint is present in:

What are the main components of a bone?

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

The first step in genetic engineering is:

Which of the following drugs is obtained from cactus?

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

Insulin and glucagon are produced in the:

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

The mature bone cells are called:

Pollination is the transfer of pollens from:

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

How many bones make Human skull?

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

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

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

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 true about parthenogenesis?

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