Class 10 Biology Grand MCQs Tests

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

Acrylic acid produced by Bacillus bacteria is used in:

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

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

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

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

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

The tube between kidney and urinary bladder is the:

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

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

Right human lung is slightly bigger and has:

Binary fission in bacteria involves all EXCEPT:

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

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

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

During unfavorable condition, Amoeba reproduces asexually by:

The mature bone cells are:

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

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

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:

Rhizopus reproduces asexually by:

Who proposed “The Theory of Natural Selection”?

Gaseous exchange in young roots occurs through:

The drug applied on wounds to stop bleeding is:

Mucilage is produced in _______ plants.

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

Aspirin is categorized as:

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

Which cartilage is found at the ends of long bones?

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

What are the main components of a bone?

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

Identify the correctly matched pair:

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

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

All of these are endo parasites EXCEPT:

__________ is used to dissolve blood clots in body.

When we eat onions, our trophic level is:

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

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

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?

Mendel carried out a large number of experiments on:

Petals of the flower collectively form the whorl known as:

When we eat onion, our trophic level is:

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

The Nervous System which controls conscious and voluntary actions is:

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

Lungs are covered with double layered membranous sac called:

Enrichment of water with inorganic nutrients is called:

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

The gaseous exchange in Humans occurs through:

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

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

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

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

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

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

Double fertilization in plants means:

Which type of blood vessels surrounds the alveoli?

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

Insulin and glucagon are produced in the:

The addictive drugs Mescalling and Psilocin are used as:

Which one of the following is NOT true about Ligaments?

The opening of Larynx is called:

Gums are produced as waste material by:

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

Microspore germinates into the:

Oxytocin and vasopressin are secreted by:

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

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

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

Oogonia are enclosed in the structure inside ovary called:

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

Which one of the following is not true for biceps?

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

The number of cranial bones in skull is:

All of these are parts of hind brain EXCEPT:

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

The first step in genetic engineering is:

Example of wind pollinated flower is:

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

Which type of blood vessels surrounds the alveoli?

Identify correctly matched pair:

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

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

Find the INCORRECT statement:

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

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:

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

Hinge joint is present in:

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

Which one is NOT an objective of genetic engineering?

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:

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

Pollination is the transfer of pollens from:

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

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

The tube between kidney and urinary bladder is the:

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

How many bones make Human skull?

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

Which of the following drugs is obtained from plants?

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

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

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

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

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

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

Which of the following is true about parthenogenesis?

Suckers are:

Insulin and glucagon are produced in the:

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

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

Asthma is caused by:

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

DNA-gives instructions for synthesis of:

The mature bone cells are called:

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

The primary chemical stimulus for breathing is the concentration of:

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

Which of the following drugs is obtained from cactus?

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

The number of vertebrae in human vertebral column is:

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

What are the main components of a bone?

In a DNA molecule, Adenine always forms pair with:

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

Which of these is an anti-viral protein?

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

Double fertilization in plants means:

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

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

Aspirin is categorized as:

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

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