Class 10 Biology Grand MCQs Tests

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

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

The tube between kidney and urinary bladder is the:

Petals of the flower collectively form the whorl known as:

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

Aspirin is categorized as:

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

Acrylic acid produced by Bacillus bacteria is used in:

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

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

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

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

Which type of blood vessels surrounds the alveoli?

The Nervous System which controls conscious and voluntary actions is:

Oxytocin and vasopressin are secreted by:

Binary fission in bacteria involves all EXCEPT:

What are the main components of a bone?

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

Gaseous exchange in young roots occurs through:

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

When we eat onions, our trophic level is:

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

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

The drug applied on wounds to stop bleeding is:

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

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 gaseous exchange in Humans occurs through:

Rhizopus reproduces asexually by:

Which one of the following is NOT true about Ligaments?

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

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

__________ is used to dissolve blood clots in body.

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

Lungs are covered with double layered membranous sac called:

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

Who proposed “The Theory of Natural Selection”?

All of these are endo parasites EXCEPT:

Double fertilization in plants means:

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

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

Mendel carried out a large number of experiments on:

Mucilage is produced in _______ plants.

Which cartilage is found at the ends of long bones?

Oogonia are enclosed in the structure inside ovary called:

When we eat onion, our trophic level is:

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

During unfavorable condition, Amoeba reproduces asexually by:

The addictive drugs Mescalling and Psilocin are used as:

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

The opening of Larynx is called:

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

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

Gums are produced as waste material by:

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

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

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

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

Enrichment of water with inorganic nutrients is called:

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

The location of gene on the chromosomes is termed as:

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

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

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

Insulin and glucagon are produced in the:

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

The number of cranial bones in skull is:

Which one of the following is not true for biceps?

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

Right human lung is slightly bigger and has:

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

The mature bone cells are:

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

Identify the correctly matched pair:

Microspore germinates into the:

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

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

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

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

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

All of these are parts of hind brain EXCEPT:

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

Double fertilization in plants means:

Which one is NOT an objective of genetic engineering?

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

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

Which of the following is true about parthenogenesis?

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

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

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

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

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

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

The primary chemical stimulus for breathing is the concentration of:

Hinge joint is present in:

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

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

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

Suckers are:

How many bones make Human skull?

Pollination is the transfer of pollens from:

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

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

Asthma is caused by:

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

Example of wind pollinated flower is:

Which of the following drugs is obtained from cactus?

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

In a DNA molecule, Adenine always forms pair with:

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

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

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

Identify correctly matched pair:

Which type of blood vessels surrounds the alveoli?

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

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

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

The tube between kidney and urinary bladder is the:

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

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

The first step in genetic engineering is:

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:

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

The number of vertebrae in human vertebral column is:

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

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

Insulin and glucagon are produced in the:

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

What are the main components of a bone?

Identify the correctly matched pair:

Aspirin is categorized as:

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

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

Find the INCORRECT statement:

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

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

Which of these is an anti-viral protein?

The mature bone cells are called:

DNA-gives instructions for synthesis of:

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