Class 10 Biology Grand MCQs Tests

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

The number of cranial bones in skull is:

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

Lungs are covered with double layered membranous sac called:

Bryophyllum undergoes vegetative propagation through adventitious buds present on:

Double fertilization in plants means:

The location of gene on the chromosomes is termed as:

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

During unfavorable condition, Amoeba reproduces asexually by:

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

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?

Insulin and glucagon are produced in the:

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

Enrichment of water with inorganic nutrients is called:

The opening of Larynx is called:

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

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

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

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

Microspore germinates into the:

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

The drug applied on wounds to stop bleeding is:

Which cartilage is found at the ends of long bones?

All of these are endo parasites EXCEPT:

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

Identify the correctly matched pair:

Who proposed “The Theory of Natural Selection”?

Which type of blood vessels surrounds the alveoli?

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

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

When we eat onions, our trophic level is:

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

Mendel carried out a large number of experiments on:

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

Which one of the following is NOT true about Ligaments?

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

Rhizopus reproduces asexually by:

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

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

What are the main components of a bone?

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

Oxytocin and vasopressin are secreted by:

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

Right human lung is slightly bigger and has:

Acrylic acid produced by Bacillus bacteria is used in:

The gaseous exchange in Humans occurs through:

All of these are parts of hind brain EXCEPT:

Petals of the flower collectively form the whorl known as:

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

Mucilage is produced in _______ plants.

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

Gums are produced as waste material by:

The mature bone cells are:

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

Gaseous exchange in young roots occurs through:

Which one of the following is not true for biceps?

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

The tube between kidney and urinary bladder is the:

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

Binary fission in bacteria involves all EXCEPT:

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

The Nervous System which controls conscious and voluntary actions is:

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

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

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

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

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

__________ is used to dissolve blood clots in body.

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

Aspirin is categorized as:

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

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

Oogonia are enclosed in the structure inside ovary called:

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

When we eat onion, our trophic level is:

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

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

The addictive drugs Mescalling and Psilocin are used as:

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

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

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:

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

Which of the following drugs is obtained from plants?

Identify correctly matched pair:

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

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

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:

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

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

What are the main components of a bone?

Which one is NOT an objective of genetic engineering?

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

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

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

Example of wind pollinated flower is:

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

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

The primary chemical stimulus for breathing is the concentration of:

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

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

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

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

How many bones make Human skull?

Find the INCORRECT statement:

Which of the following drugs is obtained from cactus?

DNA-gives instructions for synthesis of:

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

Identify the correctly matched pair:

In a DNA molecule, Adenine always forms pair with:

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

Asthma is caused by:

Which of the following is true about parthenogenesis?

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

The first step in genetic engineering is:

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

In alcoholic fermentation, Pyruvic acid breaks into ethanol and:

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

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

Which of these is an anti-viral protein?

Pollination is the transfer of pollens from:

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

The tube between kidney and urinary bladder is the:

The number of vertebrae in human vertebral column is:

Double fertilization in plants means:

Suckers are:

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

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

Aspirin is categorized as:

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

The mature bone cells are called:

Which type of blood vessels surrounds the alveoli?

Hinge joint is present in:

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

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

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

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

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

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