Class 10 Biology Grand MCQs Tests

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

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

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

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

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

The number of cranial bones in skull is:

When we eat onions, our trophic level is:

Who proposed “The Theory of Natural Selection”?

The addictive drugs Mescalling and Psilocin are used as:

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

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

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

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

Enrichment of water with inorganic nutrients is called:

What are the main components of a bone?

Mendel carried out a large number of experiments on:

Lungs are covered with double layered membranous sac called:

Which one of the following is not true for biceps?

Oogonia are enclosed in the structure inside ovary called:

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

When we eat onion, our trophic level is:

The gaseous exchange in Humans occurs through:

Acrylic acid produced by Bacillus bacteria is used in:

Gums are produced as waste material by:

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

Which one of the following is NOT true about Ligaments?

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

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

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

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

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

Identify the correctly matched pair:

Which type of blood vessels surrounds the alveoli?

Oxytocin and vasopressin are secreted by:

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

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

All of these are parts of hind brain EXCEPT:

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

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

All of these are endo parasites EXCEPT:

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

Binary fission in bacteria involves all EXCEPT:

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

Right human lung is slightly bigger and has:

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

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

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

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

Insulin and glucagon are produced in the:

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

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

During unfavorable condition, Amoeba reproduces asexually by:

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?

Which cartilage is found at the ends of long bones?

__________ is used to dissolve blood clots in body.

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

Aspirin is categorized as:

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

Double fertilization in plants means:

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

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

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

The location of gene on the chromosomes is termed as:

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

The mature bone cells are:

Gaseous exchange in young roots occurs through:

Microspore germinates into the:

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

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

Mucilage is produced in _______ plants.

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

The Nervous System which controls conscious and voluntary actions is:

The opening of Larynx is called:

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

Rhizopus reproduces asexually by:

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

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

Petals of the flower collectively form the whorl known as:

The drug applied on wounds to stop bleeding is:

The tube between kidney and urinary bladder is the:

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

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

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

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

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

DNA-gives instructions for synthesis of:

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

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

Identify the correctly matched pair:

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

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

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

The primary chemical stimulus for breathing is the concentration of:

Identify correctly matched pair:

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

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

Find the INCORRECT statement:

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

How many bones make Human skull?

Aspirin is categorized as:

Hinge joint is present in:

What are the main components of a bone?

Which one is NOT an objective of genetic engineering?

Pollination is the transfer of pollens from:

Asthma is caused by:

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

The tube between kidney and urinary bladder is the:

The first step in genetic engineering is:

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

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

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

Double fertilization in plants means:

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

Which of these is an anti-viral protein?

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

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

Insulin and glucagon are produced in the:

Which of the following drugs is obtained from cactus?

Which type of blood vessels surrounds the alveoli?

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

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

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

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

The number of vertebrae in human vertebral column is:

Which of the following drugs is obtained from plants?

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

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

Suckers are:

Example of wind pollinated flower is:

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

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

Which of the following is true about parthenogenesis?

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

The mature bone cells are called:

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

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

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

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

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

In a DNA molecule, Adenine always forms pair with: