Explore topic-wise MCQs in Grade10.

This section includes 1844 Mcqs, each offering curated multiple-choice questions to sharpen your Grade10 knowledge and support exam preparation. Choose a topic below to get started.

1751.

End of muscle attached with some movable bone is called

A. origin
B. moveable muscles
C. insertion
D. immoveable muscles
Answer» D. immoveable muscles
1752.

The phenomenon in which one muscle contracts and other relaxes is called

A. opposition
B. coordination
C. antagonism
D. none of above
Answer» D. none of above
1753.

The example of seedless plants are

A. morning glory and rose
B. grasses and roses
C. mosses and ferns
D. sunflower and buttercup
Answer» D. sunflower and buttercup
1754.

The process in which involves the development of the embryo into the seeding is called

A. seed self pollination
B. seed reproduction
C. seed germination
D. seed pollination
Answer» D. seed pollination
1755.

In mosses and ferns, sperms are

A. non motile
B. motile
C. thick walled
D. thin walled
Answer» C. thick walled
1756.

The short and swollen underground stems

A. bulbs
B. corms
C. rhizomes
D. root
Answer» C. rhizomes
1757.

The plants whose seeds are germinated by following the Epigeal germination are

A. pea and beans
B. papaya and cotton
C. coconut
D. maize
Answer» C. coconut
1758.

The kind of mechanism in which process is regulated by the output of the same process is called

A. steroid mechanism
B. lecithin mechanism
C. epinephrine mechanism
D. feedback mechanism
Answer» E.
1759.

Mixed neurons contain the axons of

A. sensory neuron only
B. motor neuron only
C. cell body
D. sensory and motor neurons
Answer» E.
1760.

We can now get insulin for insulin administration produced from

A. animals
B. bacteria
C. humans
D. insects
Answer» C. humans
1761.

When blood glucose level drops below normal, pancreas secretes

A. sugar
B. glucose
C. glucagon
D. insulin
Answer» D. insulin
1762.

The largest area of the brain is called

A. hindbrain
B. midbrain
C. forebrain
D. medulla
Answer» D. medulla
1763.

DNA consist of strands of

A. dinucleotide
B. trinucleotides
C. polynucleotides
D. Uninucleotide
Answer» D. Uninucleotide
1764.

The term "artificial selection" was coined by Abu Rehyan Beruni in

A. 14th century
B. 11th century
C. 12th century
D. 13th century
Answer» C. 12th century
1765.

Nitrogenous base cytosine of one nucleotide forms pair with

A. thymine
B. adenine
C. guanine
D. cytosine
Answer» D. cytosine
1766.

The sequence of nucleotides of Deoxyribonucleic Acid (DNA) is decided in the procedure of

A. protein synthesis
B. chromatin synthesis
C. nucleosomes synthesis
D. phosphorus synthesis
Answer» B. chromatin synthesis
1767.

In an individual, the particular combination of genes is called

A. genohype
B. genotype
C. phenotype
D. prototype
Answer» C. phenotype
1768.

The fish aquarium is best classified as an example of

A. natural biosphere
B. artificial biosphere
C. artificial ecosystem
D. natural ecosystem
Answer» D. natural ecosystem
1769.

The group of consumers in an ecosystem includes

A. viruses
B. bacteria
C. plants
D. animals
Answer» E.
1770.

The substances that cause pollution are

A. chemicals
B. pollutants
C. gases
D. bad substances
Answer» C. gases
1771.

The tertiary consumers that are fed on primary carnivores are also known as

A. primary carnivores
B. tertiary carnivores
C. secondary carnivores
D. secondary herbivores
Answer» D. secondary herbivores
1772.

Since 1800 the amount of carbon dioxide in the atmosphere has increased

A. 0.2
B. 0.25
C. 0.5
D. 0.3
Answer» E.
1773.

The amount of nitrogen present in expired and inspired air is

A. 0.69
B. 0.72
C. 0.75
D. 0.79
Answer» E.
1774.

Pores in the layer of bark are called

A. stomata
B. cuticle
C. lenticels
D. guttation
Answer» D. guttation
1775.

During inhalation, the ribs muscles contract and

A. move down
B. shrink
C. expand
D. raise
Answer» E.
1776.

Lenticels are pores present in the layer of

A. leaf
B. epidermis
C. cuticle
D. bark
Answer» E.
1777.

The kind of bronchitis that causes no permanent damage to the lungs and lasts for two weeks is called

A. acute bronchitis
B. chronic bronchitis
C. coastal bronchitis
D. intercostal bronchitis
Answer» B. chronic bronchitis
1778.

The tube that carries urine from urinary bladder to the outside of the body is called

A. ureter
B. urethra
C. renal pelvis
D. nephron
Answer» C. renal pelvis
1779.

The kind of dialysis in which blood of the patient is pumped through dialyzer is classified as

A. hypotonic dialysis
B. peritoneal dialysis
C. abdominal dialysis
D. hemodialysis
Answer» E.
1780.

In young stems and leaves, the removal of carbon dioxide is taken place through the

A. epithelial cells
B. epidermal cells
C. stomata
D. root hairs
Answer» D. root hairs
1781.

Considering the functioning of kidneys, the second step after pressure filtration is

A. papillary re-absorption
B. glomerular absorption
C. selective absorption
D. selective re-absorption
Answer» E.
1782.

Kidneys are placed against the back wall of

A. diaphragm
B. pelvic cavity
C. abdominal cavity
D. chest cavity
Answer» D. chest cavity
1783.

The method of the removal of kidney stones in which non-electrical shock waves are bombarded on stones is classified as

A. angioplasty
B. lithotripsy
C. endoscopy
D. angiography
Answer» C. endoscopy
1784.

Papillary ducts drain into

A. renal pelvis
B. collecting ducts
C. renal corpuscle
D. renal pyramid
Answer» B. collecting ducts
1785.

In humans urinary systems, the kidneys are protected by

A. last two ribs
B. last four ribs
C. last six ribs
D. last eight ribs
Answer» B. last four ribs
1786.

Considering the human skin, the inner layer that contains sweating glands, blood vessels, fat cells, and sensory nerve endings is classified as

A. epithelial
B. epidermis
C. dermis
D. epidermal
Answer» D. epidermal
1787.

The area of the kidney through which ureter and other structures enter and leave kidney is called

A. renal pelvis
B. renal medulla
C. hilus
D. nephron
Answer» D. nephron
1788.

The prominent scientist who wrote a book based on kidney diseases is

A. ibn e sina
B. ibn ul Haithem
C. Abu Nasr al-Farabi
D. Abu al-Qasim al-Zahrawi
Answer» D. Abu al-Qasim al-Zahrawi
1789.

The reabsorption of water during urine formation is allowed by

A. descending limp of loop of Henle
B. ascending limp of loop of Henle
C. bowman's capsule
D. glomerulus
Answer» B. ascending limp of loop of Henle
1790.

The pigment present in the rods located in the retina is called

A. vitreous fovea
B. rhodopsin
C. iodopsin
D. aqueous fovea
Answer» D. aqueous fovea
1791.

The reflexes such as vomiting, coughing, and sneezing are controlled by

A. pons
B. cerebrum
C. cerebellum
D. medulla oblongata
Answer» E.
1792.

The photosensitive cells present in the retina that are sensitive to dim light are called

A. optical disc
B. rods
C. cones
D. ligaments
Answer» C. cones
1793.

Length of the spinal cord is roughly

A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm
Answer» E.
1794.

Which of the following is called 'emergency hormone'?

A. adrenaline
B. oxytocin
C. vasopressin
D. thyroxin
Answer» B. oxytocin
1795.

The change in air composition due to the addition of harmful chemical substances is classified as

A. greenhouse balance
B. air pollution
C. chemical imbalance
D. gases imbalances
Answer» C. chemical imbalance
1796.

Considering the nitrogen fixation, the ammonia produced in industrial nitrogen fixation is converted into

A. nitric ammonia
B. ammonium nitrate
C. ammonium nitrous
D. ammonia nitrous
Answer» C. ammonium nitrous
1797.

The primary carnivores of the ecosystem are also classified as

A. tertiary consumers
B. primary decomposers
C. primary consumers
D. secondary consumers
Answer» E.
1798.

What is the average thickness of the biosphere?

A. 10 km
B. 15 km
C. 20 km
D. 40 km
Answer» D. 40 km
1799.

In the components of the ecosystem, the phytoplankton is another name of

A. shallow rooted plants
B. fungi
C. floating photosynthetic organisms
D. protozoan
Answer» D. protozoan
1800.

Enlarged portions on rhizome are called

A. nodes
B. roots
C. shoots
D. stems
Answer» B. roots