Biology
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Cell Cycle, Cell Division and Structure of Chromosomes
SubtopicCell Cycle, Cell Division and Structure of Chromosomes under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
Which of the following describes the result of mitosis in unicellular organisms like Amoeba?
A.Growth of the organism
B.Repair of body parts
C.Asexual reproduction
D.Formation of gametes
- 2.
The phase of the cell cycle where the cell is metabolically active and growing, but not yet dividing, is:
A.Prophase
B.Interphase
C.Anaphase
D.Metaphase
- 3.
A specific segment of DNA that provides instructions for a particular protein is a:
A.Centromere
B.Gene
C.Histone
D.Nucleoside
Download the worksheet for Biology - Cell Cycle, Cell Division and Structure of Chromosomes to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
What is a specific segment of DNA that provides instructions for a particular protein or trait called?
A.Chromosome
B.Gene
C.Centromere
D.Nucleosome
- 2.
Who proposed the double-helix model of the DNA molecule?
A.Gregor Mendel
B.Charles Darwin
C.Watson and Crick
D.Jean-Baptiste Lamarck
- 3.
Which of these pairs represents a homozygous recessive genotype?
A.TT
B.Tt
C.tt
D.XY
Download the worksheet for Biology - Genetics to practice offline. It includes additional chapter-level practice questions.
Absorption by Roots
SubtopicAbsorption by Roots under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
The layer of cells that lies between the epidermis and the endodermis in a root is the:
A.Xylem
B.Phloem
C.Cortex
D.Pith
- 2.
Osmosis is a special type of:
A.Active transport
B.Diffusion
C.Evaporation
D.Translocation
- 3.
Which part of the plant cell acts as a reservoir of cell sap?
A.Nucleus
B.Mitochondria
C.Vacuole
D.Ribosome
Download the worksheet for Biology - Absorption by Roots to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of the following helps to prove that the lower surface of a dicot leaf loses more water?
A.Using a thermometer
B.Using cobalt chloride paper on both surfaces
C.Using a potometer
D.Using a microscope only
- 2.
Which of the following is true about the structure of stomata?
A.Each stoma is surrounded by four guard cells
B.Guard cells are kidney-shaped in monocots
C.Guard cells are bean-shaped in dicots
D.Stomata are only found on stems
- 3.
The rate of transpiration is highest during which part of the day, assuming sunny weather?
A.Early morning
B.Midnight
C.Midday
D.Late evening
Download the worksheet for Biology - Transpiration to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of the following is NOT a product of the light reaction?
A.Oxygen
B.ATP
C.NADPH
D.Glucose
- 2.
During the light reaction, light energy is first used to:
A.Fix carbon dioxide
B.Excite chlorophyll electrons
C.Synthesize glucose
D.Produce starch
- 3.
The opening and closing of stomata is regulated by the change in the turgidity of:
A.Epidermal cells
B.Mesophyll cells
C.Guard cells
D.Lenticels
Download the worksheet for Biology - Photosynthesis to practice offline. It includes additional chapter-level practice questions.
Chemical Coordination in Plants
SubtopicChemical Coordination in Plants under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
Which hormone is responsible for the elongation of internodes in dwarf plants?
A.Cytokinin
B.Auxin
C.Gibberellin
D.Abscisic Acid
- 2.
The bending of a shoot towards light is termed as:
A.Positive phototropism
B.Negative phototropism
C.Positive geotropism
D.Negative geotropism
- 3.
Identify the hormone that promotes the falling of mature leaves and fruits from the plant.
A.Gibberellin
B.Cytokinin
C.Auxin
D.Abscisic Acid
Download the worksheet for Biology - Chemical Coordination in Plants to practice offline. It includes additional chapter-level practice questions.
The Circulatory System
SubtopicThe Circulatory System under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
What is the term used for the decrease in the total number of Red Blood Cells in the body?
A.Polycythemia
B.Leukopenia
C.Anemia
D.Thrombosis
- 2.
The blood vessel that carries oxygenated blood to the kidneys is the:
A.Renal Vein
B.Renal Artery
C.Hepatic Artery
D.Pulmonary Artery
- 3.
Which of the following is the main function of the Spleen?
A.Pumping blood
B.Producing insulin
C.Filtering blood and acting as a reservoir
D.Digesting proteins
Download the worksheet for Biology - The Circulatory System to practice offline. It includes additional chapter-level practice questions.
The Excretory System
SubtopicThe Excretory System under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
In which part of the kidney is the Malpighian capsule always located?
A.Medulla
B.Cortex
C.Pelvis
D.Ureter
- 2.
During selective reabsorption, useful substances are taken back into the blood from the tubule by:
A.Osmosis only
B.Active and passive transport
C.Pressure alone
D.Gravity
- 3.
Which of these is NOT an accessory excretory organ in humans?
A.Skin
B.Lungs
C.Liver
D.Pancreas
Download the worksheet for Biology - The Excretory System to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
The 'white matter' of the spinal cord is located:
A.In the center
B.On the outer side
C.In the ventral root only
D.In the dorsal root only
- 2.
In the human brain, which part is specifically responsible for relaying pain and pressure signals to the cerebrum?
A.Thalamus
B.Medulla
C.Pons
D.Cerebellum
- 3.
The spinal cord passes through the holes in the vertebrae called the:
A.Foramen magnum
B.Neural canal
C.Central canal
D.Ventral root
Download the worksheet for Biology - The Nervous System to practice offline. It includes additional chapter-level practice questions.
The Endocrine System
SubtopicThe Endocrine System under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
Which of these hormones is released from the posterior lobe of the pituitary gland?
A.Growth Hormone
B.Prolactin
C.Oxytocin
D.TSH
- 2.
A deficiency of Growth Hormone in childhood results in:
A.Gigantism
B.Dwarfism
C.Cretinism
D.Goitre
- 3.
Which hormone stimulates the adrenal cortex to produce its hormones?
A.TSH
B.ACTH
C.LH
D.FSH
Download the worksheet for Biology - The Endocrine System to practice offline. It includes additional chapter-level practice questions.
The Reproductive System
SubtopicThe Reproductive System under Biology for Grade 10 ICSE.
Preview questions (no answers)
- 1.
The hormone that stimulates the production of milk in the mammary glands after childbirth is:
A.Estrogen
B.Progesterone
C.Prolactin
D.Testosterone
- 2.
What is the result of the fusion of a male gamete and a female gamete?
A.Embryo
B.Zygote
C.Fetus
D.Blastocyst
- 3.
Which of these is the primary sex organ in human females?
A.Uterus
B.Vagina
C.Ovaries
D.Fallopian tubes
Download the worksheet for Biology - The Reproductive System to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
In a demographic sense, what does the 'Sex Ratio' refer to?
A.Number of children per family
B.Number of females per 1000 males
C.Number of marriages per year
D.Number of births per 1000 people
- 2.
Which of the following is an example of an 'environmental resistance' factor?
A.Availability of plenty of food
B.Outbreak of an epidemic disease
C.Increase in living space
D.Lack of predators
- 3.
The total number of children born per 1000 women in their lifetime is related to:
A.Mortality
B.Fertility rate
C.Sex ratio
D.Life expectancy
Download the worksheet for Biology - Population to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of these can be recycled multiple times?
A.Aluminum cans
B.Vegetable waste
C.Used bandages
D.Banana skins
- 2.
Composting is a method to manage which type of waste?
A.Plastic waste
B.Radioactive waste
C.Biodegradable organic waste
D.Metal scrap
- 3.
The use of 'Unleaded Petrol' helps in reducing which pollutant?
A.Lead
B.Sulfur
C.Carbon
D.Oxygen
Download the worksheet for Biology - Pollution to practice offline. It includes additional chapter-level practice questions.